ffd4b35c |
1 | /* |
2 | * This software is released into the public domain. |
3 | * See UNLICENSE file in top level directory. |
4 | */ |
5 | #include <stdlib.h> |
6 | #include <stdarg.h> |
9d39a80e |
7 | #include "common.h" |
ffd4b35c |
8 | #include "asmtools.h" |
5073ab5a |
9 | //#pragma GCC diagnostic ignored "-Wunused-function" |
ffd4b35c |
10 | |
11 | #define VDP_DATA_PORT 0xC00000 |
12 | #define VDP_CTRL_PORT 0xC00004 |
a385208c |
13 | #define VDP_HV_COUNTER 0xC00008 |
ffd4b35c |
14 | |
15 | #define TILE_MEM_END 0xB000 |
16 | |
17 | #define FONT_LEN 128 |
a385208c |
18 | #define TILE_FONT_BASE (TILE_MEM_END - FONT_LEN * 32) |
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19 | |
20 | /* note: using ED menu's layout here.. */ |
21 | #define WPLANE (TILE_MEM_END + 0x0000) |
22 | #define HSCRL (TILE_MEM_END + 0x0800) |
23 | #define SLIST (TILE_MEM_END + 0x0C00) |
24 | #define APLANE (TILE_MEM_END + 0x1000) |
25 | #define BPLANE (TILE_MEM_END + 0x3000) |
26 | |
ffd4b35c |
27 | #define write16_z80le(a, d) \ |
28 | ((volatile u8 *)(a))[0] = (u8)(d), \ |
29 | ((volatile u8 *)(a))[1] = ((d) >> 8) |
30 | |
31 | static inline u16 read16_z80le(const void *a_) |
32 | { |
33 | volatile const u8 *a = (volatile const u8 *)a_; |
34 | return a[0] | ((u16)a[1] << 8); |
35 | } |
36 | |
37 | #define CTL_WRITE_VRAM(adr) \ |
38 | (((0x4000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x00) |
39 | #define CTL_WRITE_VSRAM(adr) \ |
40 | (((0x4000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x10) |
41 | #define CTL_WRITE_CRAM(adr) \ |
42 | (((0xC000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x00) |
43 | #define CTL_READ_VRAM(adr) \ |
44 | (((0x0000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x00) |
45 | #define CTL_READ_VSRAM(adr) \ |
46 | (((0x0000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x10) |
47 | #define CTL_READ_CRAM(adr) \ |
48 | (((0x0000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x20) |
49 | |
50 | #define CTL_WRITE_DMA 0x80 |
51 | |
52 | #define VDP_setReg(r, v) \ |
53 | write16(VDP_CTRL_PORT, 0x8000 | ((r) << 8) | ((v) & 0xff)) |
54 | |
55 | enum { |
56 | VDP_MODE1 = 0x00, |
57 | VDP_MODE2 = 0x01, |
58 | VDP_NT_SCROLLA = 0x02, |
59 | VDP_NT_WIN = 0x03, |
60 | VDP_NT_SCROLLB = 0x04, |
61 | VDP_SAT_BASE = 0x05, |
62 | VDP_BACKDROP = 0x07, |
63 | VDP_MODE3 = 0x0b, |
64 | VDP_MODE4 = 0x0c, |
65 | VDP_HSCROLL = 0x0d, |
66 | VDP_AUTOINC = 0x0f, |
67 | VDP_SCROLLSZ = 0x10, |
68 | VDP_DMA_LEN0 = 0x13, |
69 | VDP_DMA_LEN1 = 0x14, |
70 | VDP_DMA_SRC0 = 0x15, |
71 | VDP_DMA_SRC1 = 0x16, |
72 | VDP_DMA_SRC2 = 0x17, |
73 | }; |
74 | |
75 | #define VDP_MODE1_PS 0x04 |
76 | #define VDP_MODE1_IE1 0x10 // h int |
77 | #define VDP_MODE2_MD 0x04 |
78 | #define VDP_MODE2_PAL 0x08 // 30 col |
79 | #define VDP_MODE2_DMA 0x10 |
80 | #define VDP_MODE2_IE0 0x20 // v int |
81 | #define VDP_MODE2_DISP 0x40 |
a385208c |
82 | #define VDP_MODE2_128K 0x80 |
83 | |
84 | #define SR_PAL (1 << 0) |
85 | #define SR_DMA (1 << 1) |
86 | #define SR_HB (1 << 2) |
87 | #define SR_VB (1 << 3) |
88 | #define SR_ODD (1 << 4) |
89 | #define SR_C (1 << 5) |
90 | #define SR_SOVR (1 << 6) |
91 | #define SR_F (1 << 7) |
92 | #define SR_FULL (1 << 8) |
93 | #define SR_EMPT (1 << 9) |
ffd4b35c |
94 | |
95 | /* cell counts */ |
96 | #define LEFT_BORDER 1 /* lame TV */ |
97 | #define PLANE_W 64 |
98 | #define PLANE_H 32 |
99 | #define CSCREEN_H 28 |
100 | |
101 | /* data.s */ |
102 | extern const u32 font_base[]; |
103 | extern const u8 z80_test[]; |
104 | extern const u8 z80_test_end[]; |
105 | |
106 | static int text_pal; |
107 | |
108 | static noinline void VDP_drawTextML(const char *str, u16 plane_base, |
109 | u16 x, u16 y) |
110 | { |
111 | const u8 *src = (const u8 *)str; |
112 | u16 basetile = text_pal << 13; |
113 | int max_len = 40 - LEFT_BORDER; |
114 | int len; |
115 | u32 addr; |
116 | |
117 | x += LEFT_BORDER; |
118 | |
119 | for (len = 0; str[len] && len < max_len; len++) |
120 | ; |
121 | if (len > (PLANE_W - x)) |
122 | len = PLANE_W - x; |
123 | |
124 | addr = plane_base + ((x + (PLANE_W * y)) << 1); |
125 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(addr)); |
126 | |
127 | while (len-- > 0) { |
128 | write16(VDP_DATA_PORT, |
129 | basetile | ((*src++) - 32 + TILE_FONT_BASE / 32)); |
130 | } |
131 | } |
132 | |
133 | static int printf_ypos; |
134 | |
135 | static void printf_line(int x, const char *buf) |
136 | { |
137 | u32 addr; |
138 | int i; |
139 | |
140 | VDP_drawTextML(buf, APLANE, x, printf_ypos++ & (PLANE_H - 1)); |
141 | |
142 | if (printf_ypos >= CSCREEN_H) { |
143 | /* clear next line */ |
144 | addr = APLANE; |
145 | addr += (PLANE_W * (printf_ypos & (PLANE_H - 1))) << 1; |
146 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(addr)); |
147 | for (i = 0; i < 40 / 2; i++) |
148 | write32(VDP_DATA_PORT, 0); |
149 | |
150 | /* scroll plane */ |
151 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0)); |
152 | write16(VDP_DATA_PORT, (printf_ypos - CSCREEN_H + 1) * 8); |
153 | } |
154 | } |
155 | |
156 | #define PRINTF_LEN 40 |
157 | |
158 | static int printf_xpos; |
159 | |
160 | static noinline int printf(const char *fmt, ...) |
161 | { |
162 | static const char hexchars[] = "0123456789abcdef"; |
163 | char c, buf[PRINTF_LEN + 11 + 1]; |
164 | const char *s; |
165 | va_list ap; |
166 | int ival; |
167 | u32 uval; |
168 | int d = 0; |
169 | int i, j; |
170 | |
171 | va_start(ap, fmt); |
172 | for (d = 0; *fmt; ) { |
173 | int prefix0 = 0; |
174 | int fwidth = 0; |
175 | |
176 | c = *fmt++; |
177 | if (d < PRINTF_LEN) |
178 | buf[d] = c; |
179 | |
180 | if (c != '%') { |
181 | if (c == '\n') { |
182 | buf[d] = 0; |
183 | printf_line(printf_xpos, buf); |
184 | d = 0; |
185 | printf_xpos = 0; |
186 | continue; |
187 | } |
188 | d++; |
189 | continue; |
190 | } |
191 | if (d >= PRINTF_LEN) |
192 | continue; |
193 | |
194 | if (*fmt == '0') { |
195 | prefix0 = 1; |
196 | fmt++; |
197 | } |
198 | |
199 | while ('1' <= *fmt && *fmt <= '9') { |
200 | fwidth = fwidth * 10 + *fmt - '0'; |
201 | fmt++; |
202 | } |
203 | |
204 | switch (*fmt++) { |
205 | case '%': |
206 | d++; |
207 | break; |
208 | case 'd': |
209 | case 'i': |
210 | ival = va_arg(ap, int); |
211 | if (ival < 0) { |
212 | buf[d++] = '-'; |
213 | ival = -ival; |
214 | } |
215 | for (i = 1000000000; i >= 10; i /= 10) |
216 | if (ival >= i) |
217 | break; |
218 | for (; i >= 10; i /= 10) { |
219 | buf[d++] = '0' + ival / i; |
220 | ival %= i; |
221 | } |
222 | buf[d++] = '0' + ival; |
223 | break; |
224 | case 'x': |
225 | uval = va_arg(ap, int); |
226 | while (fwidth > 1 && uval < (1 << (fwidth - 1) * 4)) { |
227 | buf[d++] = prefix0 ? '0' : ' '; |
228 | fwidth--; |
229 | } |
230 | for (j = 1; j < 8 && uval >= (1 << j * 4); j++) |
231 | ; |
232 | for (j--; j >= 0; j--) |
233 | buf[d++] = hexchars[(uval >> j * 4) & 0x0f]; |
234 | break; |
5073ab5a |
235 | case 'c': |
236 | buf[d++] = va_arg(ap, int); |
237 | break; |
ffd4b35c |
238 | case 's': |
239 | s = va_arg(ap, char *); |
240 | while (*s && d < PRINTF_LEN) |
241 | buf[d++] = *s++; |
242 | break; |
243 | default: |
244 | // don't handle, for now |
245 | d++; |
246 | va_arg(ap, void *); |
247 | break; |
248 | } |
249 | } |
250 | buf[d] = 0; |
251 | va_end(ap); |
252 | |
253 | if (d != 0) { |
254 | // line without \n |
255 | VDP_drawTextML(buf, APLANE, printf_xpos, |
256 | printf_ypos & (PLANE_H - 1)); |
257 | printf_xpos += d; |
258 | } |
259 | |
260 | return d; // wrong.. |
261 | } |
262 | |
263 | static const char *exc_names[] = { |
264 | NULL, |
265 | NULL, |
266 | "Bus Error", |
267 | "Address Error", |
268 | "Illegal Instruction", |
269 | "Zero Divide", |
270 | "CHK Instruction", |
271 | "TRAPV Instruction", |
272 | "Privilege Violation", /* 8 8 */ |
273 | "Trace", |
274 | "Line 1010 Emulator", |
275 | "Line 1111 Emulator", |
276 | NULL, |
277 | NULL, |
278 | NULL, |
279 | "Uninitialized Interrupt", |
280 | NULL, /* 10 16 */ |
281 | NULL, |
282 | NULL, |
283 | NULL, |
284 | NULL, |
285 | NULL, |
286 | NULL, |
287 | NULL, |
288 | "Spurious Interrupt", /* 18 24 */ |
289 | "l1 irq", |
290 | "l2 irq", |
291 | "l3 irq", |
292 | "l4 irq", |
293 | "l5 irq", |
294 | "l6 irq", |
295 | "l7 irq", |
296 | }; |
297 | |
298 | struct exc_frame { |
299 | u32 dr[8]; |
300 | u32 ar[8]; |
301 | u16 ecxnum; // from handler |
302 | union { |
303 | struct { |
304 | u16 sr; |
305 | u32 pc; |
306 | } g _packed; |
307 | struct { |
308 | u16 fc; |
309 | u32 addr; |
310 | u16 ir; |
311 | u16 sr; |
312 | u32 pc; |
313 | } bae _packed; // bus/address error frame |
314 | }; |
315 | } _packed; |
316 | |
ffd4b35c |
317 | void exception(const struct exc_frame *f) |
318 | { |
234c4556 |
319 | u32 *sp, sp_add; |
ffd4b35c |
320 | int i; |
321 | |
322 | while (read16(VDP_CTRL_PORT) & 2) |
323 | ; |
324 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS); |
325 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DISP); |
326 | /* adjust scroll */ |
327 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0)); |
328 | write16(VDP_DATA_PORT, |
329 | printf_ypos >= CSCREEN_H ? |
330 | (printf_ypos - CSCREEN_H + 1) * 8 : 0); |
331 | |
332 | printf("exception %i ", f->ecxnum); |
333 | if (f->ecxnum < ARRAY_SIZE(exc_names) && exc_names[f->ecxnum] != NULL) |
334 | printf("(%s)", exc_names[f->ecxnum]); |
335 | if (f->ecxnum < 4) |
336 | printf(" (%s)", (f->bae.fc & 0x10) ? "r" : "w"); |
337 | printf(" \n"); |
338 | |
339 | if (f->ecxnum < 4) { |
234c4556 |
340 | printf(" PC: %08x SR: %04x \n", f->bae.pc, f->bae.sr); |
ffd4b35c |
341 | printf("addr: %08x IR: %04x FC: %02x \n", |
342 | f->bae.addr, f->bae.ir, f->bae.fc); |
234c4556 |
343 | sp_add = 14; |
ffd4b35c |
344 | } |
345 | else { |
234c4556 |
346 | printf(" PC: %08x SR: %04x \n", f->g.pc, f->g.sr); |
347 | sp_add = 6; |
ffd4b35c |
348 | } |
349 | for (i = 0; i < 8; i++) |
350 | printf(" D%d: %08x A%d: %08x \n", i, f->dr[i], i, f->ar[i]); |
234c4556 |
351 | printf(" \n"); |
352 | sp = (u32 *)(f->ar[7] + sp_add); |
353 | printf(" %08x %08x %08x %08x\n", sp[0], sp[1], sp[2], sp[3]); |
354 | printf(" %08x %08x %08x %08x\n", sp[4], sp[5], sp[6], sp[7]); |
ffd4b35c |
355 | } |
356 | |
357 | // --- |
358 | |
359 | static void setup_default_palette(void) |
360 | { |
361 | write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(0)); |
362 | write32(VDP_DATA_PORT, 0); |
363 | write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(15 * 2)); // font normal |
364 | write16(VDP_DATA_PORT, 0xeee); |
365 | write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(31 * 2)); // green |
366 | write16(VDP_DATA_PORT, 0x0e0); |
367 | write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(47 * 2)); // red |
368 | write16(VDP_DATA_PORT, 0x00e); |
369 | } |
370 | |
371 | static void do_setup_dma(const void *src_, u16 words) |
372 | { |
373 | u32 src = (u32)src_; |
374 | // VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA); |
375 | VDP_setReg(VDP_DMA_LEN0, words); |
376 | VDP_setReg(VDP_DMA_LEN1, words >> 8); |
377 | VDP_setReg(VDP_DMA_SRC0, src >> 1); |
378 | VDP_setReg(VDP_DMA_SRC1, src >> 9); |
379 | VDP_setReg(VDP_DMA_SRC2, src >> 17); |
380 | // write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(addr) | CTL_WRITE_DMA); |
381 | } |
382 | |
a385208c |
383 | static void vdp_wait_for_fifo_empty(void) |
384 | { |
385 | while (!(read16(VDP_CTRL_PORT) & 0x200)) |
386 | /* fifo not empty */; |
387 | } |
388 | |
389 | static void vdp_wait_for_dma_idle(void) |
390 | { |
391 | while (read16(VDP_CTRL_PORT) & 2) |
392 | /* dma busy */; |
393 | } |
394 | |
395 | static void vdp_wait_for_line_0(void) |
396 | { |
397 | // in PAL vcounter reports 0 twice in a frame, |
398 | // so wait for vblank to clear first |
399 | while (!(read16(VDP_CTRL_PORT) & 8)) |
400 | /* not blanking */; |
401 | while (read16(VDP_CTRL_PORT) & 8) |
402 | /* blanking */; |
403 | while (read8(VDP_HV_COUNTER) != 0) |
404 | ; |
405 | } |
406 | |
ffd4b35c |
407 | static void t_dma_zero_wrap_early(void) |
408 | { |
409 | const u32 *src = (const u32 *)0x3c0000; |
410 | u32 *ram = (u32 *)0xff0000; |
411 | |
412 | do_setup_dma(src + 4, 2); |
413 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0) | CTL_WRITE_DMA); |
414 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0) | CTL_WRITE_DMA); |
415 | |
416 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0)); |
417 | ram[0] = read32(VDP_DATA_PORT); |
418 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0xfffc)); |
419 | ram[1] = read32(VDP_DATA_PORT); |
420 | } |
421 | |
422 | static void t_dma_zero_fill_early(void) |
423 | { |
424 | u32 *ram = (u32 *)0xff0000; |
425 | |
426 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0)); |
427 | write32(VDP_DATA_PORT, 0); |
428 | write32(VDP_DATA_PORT, 0); |
429 | write32(VDP_DATA_PORT, 0); |
430 | write32(VDP_DATA_PORT, 0); |
431 | |
432 | VDP_setReg(VDP_AUTOINC, 1); |
433 | VDP_setReg(VDP_DMA_SRC2, 0x80); |
434 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(1) | CTL_WRITE_DMA); |
435 | write16(VDP_DATA_PORT, 0x1122); |
436 | ram[2] = read16(VDP_CTRL_PORT); |
a385208c |
437 | vdp_wait_for_dma_idle(); |
ffd4b35c |
438 | |
439 | VDP_setReg(VDP_AUTOINC, 2); |
440 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0)); |
441 | ram[3] = read32(VDP_DATA_PORT); |
442 | } |
443 | |
5073ab5a |
444 | #define R_SKIP 0x5a5a |
445 | |
ffd4b35c |
446 | #define expect(ok_, v0_, v1_) \ |
e71680d5 |
447 | do { if ((v0_) != (v1_)) { \ |
ffd4b35c |
448 | printf("%s: %08x %08x\n", #v0_, v0_, v1_); \ |
449 | ok_ = 0; \ |
e71680d5 |
450 | }} while (0) |
ffd4b35c |
451 | |
5073ab5a |
452 | #define expect_sh2(ok_, sh2_, v0_, v1_) \ |
453 | do { if ((v0_) != (v1_)) { \ |
454 | printf("%csh2: %08x %08x\n", sh2_ ? 's' : 'm', v0_, v1_); \ |
455 | ok_ = 0; \ |
456 | }} while (0) |
457 | |
a385208c |
458 | #define expect_range(ok_, v0_, vmin_, vmax_) \ |
e71680d5 |
459 | do { if ((v0_) < (vmin_) || (v0_) > (vmax_)) { \ |
a385208c |
460 | printf("%s: %02x /%02x-%02x\n", #v0_, v0_, vmin_, vmax_); \ |
461 | ok_ = 0; \ |
e71680d5 |
462 | }} while (0) |
a385208c |
463 | |
464 | #define expect_bits(ok_, v0_, val_, mask_) \ |
e71680d5 |
465 | do { if (((v0_) & (mask_)) != (val_)) { \ |
a385208c |
466 | printf("%s: %04x & %04x != %04x\n", #v0_, v0_, mask_, val_); \ |
467 | ok_ = 0; \ |
e71680d5 |
468 | }} while (0) |
a385208c |
469 | |
ffd4b35c |
470 | static int t_dma_zero_wrap(void) |
471 | { |
472 | const u32 *src = (const u32 *)0x3c0000; |
473 | const u32 *ram = (const u32 *)0xff0000; |
474 | int ok = 1; |
475 | |
476 | expect(ok, ram[0], src[5 + 0x10000/4]); |
477 | expect(ok, ram[1], src[4]); |
478 | return ok; |
479 | } |
480 | |
481 | static int t_dma_zero_fill(void) |
482 | { |
483 | const u32 *ram = (const u32 *)0xff0000; |
484 | u32 v0 = ram[2] & 2; |
485 | int ok = 1; |
486 | |
487 | expect(ok, v0, 2); |
488 | expect(ok, ram[3], 0x11111111); |
489 | return ok; |
490 | } |
491 | |
492 | static int t_dma_ram_wrap(void) |
493 | { |
494 | u32 *ram = (u32 *)0xff0000; |
495 | u32 saved, v0, v1; |
496 | int ok = 1; |
497 | |
498 | saved = read32(&ram[0x10000/4 - 1]); |
499 | ram[0x10000/4 - 1] = 0x01020304; |
500 | ram[0] = 0x05060708; |
501 | do_setup_dma(&ram[0x10000/4 - 1], 4); |
502 | mem_barrier(); |
503 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA); |
504 | |
505 | mem_barrier(); |
506 | write32(&ram[0x10000/4 - 1], saved); |
507 | |
508 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
509 | v0 = read32(VDP_DATA_PORT); |
510 | v1 = read32(VDP_DATA_PORT); |
511 | |
512 | expect(ok, v0, 0x01020304); |
513 | expect(ok, v1, 0x05060708); |
514 | return ok; |
515 | } |
516 | |
517 | // test no src reprogram, only len0 |
518 | static int t_dma_multi(void) |
519 | { |
520 | const u32 *src = (const u32 *)0x3c0000; |
521 | u32 v0, v1; |
522 | int ok = 1; |
523 | |
524 | do_setup_dma(src, 2); |
525 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA); |
526 | VDP_setReg(VDP_DMA_LEN0, 2); |
527 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x104) | CTL_WRITE_DMA); |
528 | |
529 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
530 | v0 = read32(VDP_DATA_PORT); |
531 | v1 = read32(VDP_DATA_PORT); |
532 | |
533 | expect(ok, v0, src[0]); |
534 | expect(ok, v1, src[1]); |
535 | return ok; |
536 | } |
537 | |
538 | static int t_dma_cram_wrap(void) |
539 | { |
540 | u32 *ram = (u32 *)0xff0000; |
541 | u32 v0, v1; |
542 | int ok = 1; |
543 | |
544 | write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(0)); |
545 | write32(VDP_DATA_PORT, 0); |
546 | |
547 | ram[0] = 0x0ec20ec4; |
548 | ram[1] = 0x0ec60ec8; |
549 | mem_barrier(); |
550 | do_setup_dma(ram, 4); |
551 | write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(0x7c | 0xff81) | CTL_WRITE_DMA); |
552 | |
553 | write32(VDP_CTRL_PORT, CTL_READ_CRAM(0x7c)); |
554 | v0 = read32(VDP_DATA_PORT) & 0x0eee0eee; |
555 | write32(VDP_CTRL_PORT, CTL_READ_CRAM(0)); |
556 | v1 = read32(VDP_DATA_PORT) & 0x0eee0eee; |
557 | |
558 | setup_default_palette(); |
559 | |
560 | expect(ok, v0, ram[0]); |
561 | expect(ok, v1, ram[1]); |
562 | return ok; |
563 | } |
564 | |
565 | static int t_dma_vsram_wrap(void) |
566 | { |
567 | u32 *ram32 = (u32 *)0xff0000; |
568 | u16 *ram16 = (u16 *)0xff0000; |
569 | u32 v0, v1; |
570 | int ok = 1; |
571 | int i; |
572 | |
573 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0)); |
574 | write32(VDP_DATA_PORT, 0); |
575 | |
576 | for (i = 0; i < 0x48/2; i++) |
577 | ram16[i] = i + 1; |
578 | mem_barrier(); |
579 | do_setup_dma(ram16, 0x48/2); |
580 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0x3c | 0xff81) | CTL_WRITE_DMA); |
581 | |
582 | write32(VDP_CTRL_PORT, CTL_READ_VSRAM(0x3c)); |
583 | v0 = read32(VDP_DATA_PORT) & 0x03ff03ff; |
584 | write32(VDP_CTRL_PORT, CTL_READ_VSRAM(0)); |
585 | v1 = read32(VDP_DATA_PORT) & 0x03ff03ff; |
586 | |
587 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0)); |
588 | write32(VDP_DATA_PORT, 0); |
589 | |
590 | expect(ok, v0, ram32[0]); |
591 | expect(ok, v1, ram32[0x48/4 - 1]); |
592 | return ok; |
593 | } |
594 | |
595 | static int t_dma_and_data(void) |
596 | { |
597 | const u32 *src = (const u32 *)0x3c0000; |
a385208c |
598 | u32 v0, v1; |
ffd4b35c |
599 | int ok = 1; |
600 | |
601 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
602 | write32(VDP_DATA_PORT, 0); |
603 | |
604 | do_setup_dma(src, 2); |
605 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0xfc) | CTL_WRITE_DMA); |
606 | write32(VDP_DATA_PORT, 0x5ec8a248); |
607 | |
a385208c |
608 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0xfc)); |
ffd4b35c |
609 | v0 = read32(VDP_DATA_PORT); |
a385208c |
610 | v1 = read32(VDP_DATA_PORT); |
ffd4b35c |
611 | |
a385208c |
612 | expect(ok, v0, src[0]); |
613 | expect(ok, v1, 0x5ec8a248); |
614 | return ok; |
615 | } |
616 | |
617 | static int t_dma_short_cmd(void) |
618 | { |
619 | const u32 *src = (const u32 *)0x3c0000; |
620 | u32 v0, v1, v2; |
621 | int ok = 1; |
622 | |
623 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x3ff4)); |
624 | write32(VDP_DATA_PORT, 0x10111213); |
625 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0xfff0)); |
626 | write32(VDP_DATA_PORT, 0x20212223); |
627 | write32(VDP_DATA_PORT, 0x30313233); |
cc7e5122 |
628 | vdp_wait_for_fifo_empty(); |
a385208c |
629 | |
630 | do_setup_dma(src, 2); |
631 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0xfff0) | CTL_WRITE_DMA); |
632 | write16(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x3ff4) >> 16); |
633 | write32(VDP_DATA_PORT, 0x40414243); |
634 | |
635 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x3ff4)); |
636 | v0 = read32(VDP_DATA_PORT); |
637 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0xfff0)); |
638 | v1 = read32(VDP_DATA_PORT); |
639 | v2 = read32(VDP_DATA_PORT); |
640 | |
641 | expect(ok, v0, 0x10111213); |
642 | expect(ok, v1, src[0]); |
643 | expect(ok, v2, 0x40414243); |
ffd4b35c |
644 | return ok; |
645 | } |
646 | |
647 | static int t_dma_fill3_odd(void) |
648 | { |
649 | u32 v0, v1, v2; |
650 | int ok = 1; |
651 | |
652 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
653 | write32(VDP_DATA_PORT, 0); |
654 | write32(VDP_DATA_PORT, 0); |
655 | write32(VDP_DATA_PORT, 0); |
cc7e5122 |
656 | vdp_wait_for_fifo_empty(); |
ffd4b35c |
657 | |
658 | VDP_setReg(VDP_AUTOINC, 3); |
659 | VDP_setReg(VDP_DMA_LEN0, 3); |
660 | VDP_setReg(VDP_DMA_SRC2, 0x80); |
661 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x101) | CTL_WRITE_DMA); |
662 | write16(VDP_DATA_PORT, 0x1122); |
a385208c |
663 | vdp_wait_for_dma_idle(); |
ffd4b35c |
664 | |
665 | VDP_setReg(VDP_AUTOINC, 2); |
666 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
667 | v0 = read32(VDP_DATA_PORT); |
668 | v1 = read32(VDP_DATA_PORT); |
669 | v2 = read32(VDP_DATA_PORT); |
670 | |
671 | expect(ok, v0, 0x22110000); |
672 | expect(ok, v1, 0x00111100); |
673 | expect(ok, v2, 0x00000011); |
674 | return ok; |
675 | } |
676 | |
677 | static int t_dma_fill3_even(void) |
678 | { |
679 | u32 v0, v1, v2; |
680 | int ok = 1; |
681 | |
682 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
683 | write32(VDP_DATA_PORT, 0); |
684 | write32(VDP_DATA_PORT, 0); |
685 | write32(VDP_DATA_PORT, 0); |
cc7e5122 |
686 | vdp_wait_for_fifo_empty(); |
ffd4b35c |
687 | |
688 | VDP_setReg(VDP_AUTOINC, 3); |
689 | VDP_setReg(VDP_DMA_LEN0, 3); |
690 | VDP_setReg(VDP_DMA_SRC2, 0x80); |
691 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA); |
692 | write16(VDP_DATA_PORT, 0x1122); |
a385208c |
693 | vdp_wait_for_dma_idle(); |
ffd4b35c |
694 | |
695 | VDP_setReg(VDP_AUTOINC, 2); |
696 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
697 | v0 = read32(VDP_DATA_PORT); |
698 | v1 = read32(VDP_DATA_PORT); |
699 | v2 = read32(VDP_DATA_PORT); |
700 | |
701 | expect(ok, v0, 0x11221100); |
702 | expect(ok, v1, 0x00000011); |
703 | expect(ok, v2, 0x11000000); |
704 | return ok; |
705 | } |
706 | |
707 | static unused int t_dma_fill3_vsram(void) |
708 | { |
709 | u32 v0, v1, v2; |
710 | int ok = 1; |
711 | |
712 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0)); |
713 | write32(VDP_DATA_PORT, 0); |
714 | write32(VDP_DATA_PORT, 0); |
715 | write32(VDP_DATA_PORT, 0); |
716 | |
717 | write16(VDP_DATA_PORT, 0x0111); |
718 | write16(VDP_DATA_PORT, 0x0222); |
719 | write16(VDP_DATA_PORT, 0x0333); |
a385208c |
720 | vdp_wait_for_fifo_empty(); |
ffd4b35c |
721 | |
722 | VDP_setReg(VDP_AUTOINC, 3); |
723 | VDP_setReg(VDP_DMA_LEN0, 3); |
724 | VDP_setReg(VDP_DMA_SRC2, 0x80); |
725 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(1) | CTL_WRITE_DMA); |
726 | write16(VDP_DATA_PORT, 0x0102); |
a385208c |
727 | vdp_wait_for_dma_idle(); |
ffd4b35c |
728 | |
729 | VDP_setReg(VDP_AUTOINC, 2); |
730 | write32(VDP_CTRL_PORT, CTL_READ_VSRAM(0)); |
731 | v0 = read32(VDP_DATA_PORT); |
732 | v1 = read32(VDP_DATA_PORT); |
733 | v2 = read32(VDP_DATA_PORT); |
734 | |
735 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0)); |
736 | write32(VDP_DATA_PORT, 0); |
737 | |
738 | expect(ok, v0, 0x01020000); |
739 | expect(ok, v1, 0x01110111); |
740 | expect(ok, v2, 0x00000111); |
741 | return ok; |
742 | } |
743 | |
744 | static int t_dma_fill_dis(void) |
745 | { |
746 | u32 v0, v1; |
747 | int ok = 1; |
748 | |
749 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
750 | write32(VDP_DATA_PORT, 0); |
751 | write32(VDP_DATA_PORT, 0); |
752 | |
753 | VDP_setReg(VDP_DMA_LEN0, 1); |
754 | VDP_setReg(VDP_DMA_SRC2, 0x80); |
755 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA); |
756 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD); |
757 | write16(VDP_DATA_PORT, 0x1122); |
a385208c |
758 | vdp_wait_for_dma_idle(); |
ffd4b35c |
759 | |
760 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
761 | write16(VDP_DATA_PORT, 0x3344); |
a385208c |
762 | vdp_wait_for_dma_idle(); |
ffd4b35c |
763 | |
764 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
765 | v0 = read32(VDP_DATA_PORT); |
766 | v1 = read32(VDP_DATA_PORT); |
767 | |
768 | expect(ok, v0, 0); |
769 | expect(ok, v1, 0); |
770 | return ok; |
771 | } |
772 | |
773 | static int t_dma_fill_src(void) |
774 | { |
775 | const u32 *src = (const u32 *)0x3c0000; |
776 | u32 v0, v1; |
777 | int ok = 1; |
778 | |
779 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
780 | write32(VDP_DATA_PORT, 0); |
781 | |
782 | // do_setup_dma(src, 2); // hang, can't write src2 twice |
783 | VDP_setReg(VDP_DMA_LEN0, 2); |
784 | VDP_setReg(VDP_DMA_SRC0, (u32)src >> 1); |
785 | VDP_setReg(VDP_DMA_SRC1, (u32)src >> 9); |
786 | VDP_setReg(VDP_DMA_SRC2, 0x80); |
787 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA); |
788 | write16(VDP_DATA_PORT, 0x1122); |
a385208c |
789 | vdp_wait_for_dma_idle(); |
ffd4b35c |
790 | |
791 | VDP_setReg(VDP_DMA_LEN0, 2); |
792 | VDP_setReg(VDP_DMA_SRC2, (u32)src >> 17); |
793 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x104) | CTL_WRITE_DMA); |
794 | |
795 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
796 | v0 = read32(VDP_DATA_PORT); |
797 | v1 = read32(VDP_DATA_PORT); |
798 | |
799 | expect(ok, v0, 0x11220011); |
800 | expect(ok, v1, src[1]); |
801 | return ok; |
802 | } |
803 | |
a385208c |
804 | // (((a & 2) >> 1) ^ 1) | ((a & $400) >> 9) | (a & $3FC) | ((a & $1F800) >> 1) |
805 | static int t_dma_128k(void) |
806 | { |
807 | u16 *ram = (u16 *)0xff0000; |
808 | u32 v0, v1; |
809 | int ok = 1; |
810 | |
811 | ram[0] = 0x5a11; |
812 | ram[1] = 0x5a22; |
813 | ram[2] = 0x5a33; |
814 | |
815 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
816 | write32(VDP_DATA_PORT, 0x01020304); |
817 | write32(VDP_DATA_PORT, 0x05060708); |
818 | vdp_wait_for_fifo_empty(); |
819 | |
820 | mem_barrier(); |
821 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_128K); |
822 | do_setup_dma(ram, 3); |
823 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA); |
824 | vdp_wait_for_fifo_empty(); |
825 | |
826 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
827 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
828 | v0 = read32(VDP_DATA_PORT); |
829 | v1 = read32(VDP_DATA_PORT); |
830 | |
831 | expect(ok, v0, 0x22110304); |
832 | expect(ok, v1, 0x05330708); |
833 | return ok; |
834 | } |
835 | |
836 | static int t_vdp_128k_b16(void) |
837 | { |
838 | u32 v0, v1; |
839 | int ok = 1; |
840 | |
841 | VDP_setReg(VDP_AUTOINC, 0); |
842 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x8100)); |
843 | write32(VDP_DATA_PORT, 0x01020304); |
844 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x10100)); |
845 | write32(VDP_DATA_PORT, 0x05060708); |
846 | vdp_wait_for_fifo_empty(); |
847 | |
848 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_128K); |
849 | write16(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) >> 16); // note: upper cmd |
850 | write32(VDP_DATA_PORT, 0x11223344); |
851 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x10102)); |
852 | write32(VDP_DATA_PORT, 0x55667788); |
853 | vdp_wait_for_fifo_empty(); |
854 | |
855 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
856 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x8100)); |
857 | v0 = read16(VDP_DATA_PORT); |
858 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x0100)); |
859 | v1 = read16(VDP_DATA_PORT); |
860 | |
861 | VDP_setReg(VDP_AUTOINC, 2); |
862 | |
863 | expect(ok, v0, 0x8844); |
864 | expect(ok, v1, 0x0708); |
865 | return ok; |
866 | } |
867 | |
868 | static unused int t_vdp_128k_b16_inc(void) |
869 | { |
870 | u32 v0, v1; |
871 | int ok = 1; |
872 | |
873 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0)); |
874 | write32(VDP_DATA_PORT, 0x01020304); |
875 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x8000)); |
876 | write32(VDP_DATA_PORT, 0x05060708); |
877 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0xfffe)); |
878 | write32(VDP_DATA_PORT, 0x090a0b0c); |
879 | vdp_wait_for_fifo_empty(); |
880 | |
881 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_128K); |
882 | write16(VDP_CTRL_PORT, CTL_WRITE_VRAM(0) >> 16); // note: upper cmd |
883 | write16(VDP_DATA_PORT, 0x1122); |
884 | vdp_wait_for_fifo_empty(); |
885 | |
886 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
887 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0)); |
888 | v0 = read32(VDP_DATA_PORT); |
889 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x8000)); |
890 | v1 = read32(VDP_DATA_PORT); |
891 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0)); |
892 | write32(VDP_DATA_PORT, 0); |
893 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x8000)); |
894 | write32(VDP_DATA_PORT, 0); |
895 | |
896 | expect(ok, v0, 0x0b0c0304); // XXX: no 22 anywhere? |
897 | expect(ok, v1, 0x05060708); |
898 | return ok; |
899 | } |
900 | |
901 | static int t_vdp_reg_cmd(void) |
902 | { |
903 | u32 v0; |
904 | int ok = 1; |
905 | |
906 | VDP_setReg(VDP_AUTOINC, 0); |
907 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
908 | write32(VDP_DATA_PORT, 0x01020304); |
909 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
910 | write32(VDP_DATA_PORT, 0x05060708); |
911 | |
912 | VDP_setReg(VDP_AUTOINC, 2); |
913 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x0100)); |
914 | v0 = read16(VDP_DATA_PORT); |
915 | |
916 | expect(ok, v0, 0x0304); |
917 | return ok; |
918 | } |
919 | |
cc7e5122 |
920 | static int t_vdp_sr_vb(void) |
921 | { |
922 | u16 sr[4]; |
923 | int ok = 1; |
924 | |
925 | while (read8(VDP_HV_COUNTER) != 242) |
926 | ; |
927 | sr[0] = read16(VDP_CTRL_PORT); |
928 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD); |
929 | sr[1] = read16(VDP_CTRL_PORT); |
930 | while (read8(VDP_HV_COUNTER) != 4) |
931 | ; |
932 | sr[2] = read16(VDP_CTRL_PORT); |
933 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
934 | sr[3] = read16(VDP_CTRL_PORT); |
935 | |
936 | expect_bits(ok, sr[0], SR_VB, SR_VB); |
937 | expect_bits(ok, sr[1], SR_VB, SR_VB); |
938 | expect_bits(ok, sr[2], SR_VB, SR_VB); |
939 | expect_bits(ok, sr[3], 0, SR_VB); |
940 | return ok; |
941 | } |
942 | |
ffd4b35c |
943 | /* z80 tests assume busreq state */ |
944 | static int t_z80mem_long_mirror(void) |
945 | { |
946 | u8 *zram = (u8 *)0xa00000; |
947 | int ok = 1; |
948 | |
949 | write8(&zram[0x1100], 0x11); |
950 | write8(&zram[0x1101], 0x22); |
951 | write8(&zram[0x1102], 0x33); |
952 | write8(&zram[0x1103], 0x44); |
953 | mem_barrier(); |
954 | write32(&zram[0x3100], 0x55667788); |
955 | mem_barrier(); |
956 | |
957 | expect(ok, zram[0x1100], 0x55); |
958 | expect(ok, zram[0x1101], 0x22); |
959 | expect(ok, zram[0x1102], 0x77); |
960 | expect(ok, zram[0x1103], 0x44); |
961 | return ok; |
962 | } |
963 | |
a385208c |
964 | static int t_z80mem_noreq_w(void) |
965 | { |
966 | u8 *zram = (u8 *)0xa00000; |
967 | int ok = 1; |
968 | |
969 | write8(&zram[0x1100], 0x11); |
970 | mem_barrier(); |
971 | write16(0xa11100, 0x000); |
972 | write8(&zram[0x1100], 0x22); |
973 | mem_barrier(); |
974 | |
975 | write16(0xa11100, 0x100); |
976 | while (read16(0xa11100) & 0x100) |
977 | ; |
978 | |
979 | expect(ok, zram[0x1100], 0x11); |
980 | return ok; |
981 | } |
982 | |
e71680d5 |
983 | #define Z80_C_DISPATCH 113 // see z80_test.s80 |
984 | #define Z80_C_END 17 |
985 | #define Z80_C_END_VCNT 67 |
986 | |
987 | #define Z80_CYLES_TEST1(b) (Z80_C_DISPATCH + ((b) - 1) * 21 + 26 + Z80_C_END) |
a385208c |
988 | |
ffd4b35c |
989 | static int t_z80mem_vdp_r(void) |
990 | { |
991 | u8 *zram = (u8 *)0xa00000; |
992 | int ok = 1; |
993 | |
994 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
995 | write32(VDP_DATA_PORT, 0x11223344); |
996 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
997 | |
998 | zram[0x1000] = 1; // cp |
ffd4b35c |
999 | write16_z80le(&zram[0x1002], 0x7f00); // src |
a385208c |
1000 | write16_z80le(&zram[0x1004], 0x1100); // dst |
1001 | write16_z80le(&zram[0x1006], 2); // len |
1002 | zram[0x1100] = zram[0x1101] = zram[0x1102] = 0x5a; |
ffd4b35c |
1003 | mem_barrier(); |
1004 | write16(0xa11100, 0x000); |
e71680d5 |
1005 | burn10(Z80_CYLES_TEST1(2) * 15 / 7 / 10); |
ffd4b35c |
1006 | |
1007 | write16(0xa11100, 0x100); |
1008 | while (read16(0xa11100) & 0x100) |
1009 | ; |
1010 | |
1011 | expect(ok, zram[0x1000], 0); |
a385208c |
1012 | expect(ok, zram[0x1100], 0x11); |
1013 | expect(ok, zram[0x1101], 0x44); |
1014 | expect(ok, zram[0x1102], 0x5a); |
ffd4b35c |
1015 | return ok; |
1016 | } |
1017 | |
1018 | static unused int t_z80mem_vdp_w(void) |
1019 | { |
1020 | u8 *zram = (u8 *)0xa00000; |
1021 | u32 v0; |
1022 | int ok = 1; |
1023 | |
1024 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
1025 | write32(VDP_DATA_PORT, 0x11223344); |
1026 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
a385208c |
1027 | vdp_wait_for_fifo_empty(); |
ffd4b35c |
1028 | |
1029 | zram[0x1000] = 1; // cp |
a385208c |
1030 | write16_z80le(&zram[0x1002], 0x1100); // src |
ffd4b35c |
1031 | write16_z80le(&zram[0x1004], 0x7f00); // dst |
a385208c |
1032 | write16_z80le(&zram[0x1006], 2); // len |
1033 | zram[0x1100] = 0x55; |
1034 | zram[0x1101] = 0x66; |
ffd4b35c |
1035 | mem_barrier(); |
1036 | write16(0xa11100, 0x000); |
e71680d5 |
1037 | burn10(Z80_CYLES_TEST1(2) * 15 / 7 / 10); |
ffd4b35c |
1038 | |
1039 | write16(0xa11100, 0x100); |
1040 | while (read16(0xa11100) & 0x100) |
1041 | ; |
1042 | |
1043 | write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100)); |
1044 | v0 = read32(VDP_DATA_PORT); |
1045 | |
1046 | expect(ok, zram[0x1000], 0); |
1047 | expect(ok, v0, 0x55556666); |
1048 | return ok; |
1049 | } |
1050 | |
a385208c |
1051 | static int t_tim_loop(void) |
1052 | { |
1053 | u8 vcnt; |
1054 | int ok = 1; |
1055 | |
1056 | vdp_wait_for_line_0(); |
1057 | burn10(488*220/10); |
1058 | vcnt = read8(VDP_HV_COUNTER); |
1059 | mem_barrier(); |
1060 | |
1061 | //expect_range(ok, vcnt, 0x80, 0x80); |
1062 | expect(ok, vcnt, 223); |
1063 | return ok; |
1064 | } |
1065 | |
e71680d5 |
1066 | static int t_tim_z80_loop(void) |
1067 | { |
1068 | u8 pal = read8(0xa10001) & 0x40; |
1069 | u8 *zram = (u8 *)0xa00000; |
1070 | u16 z80_loops = pal ? 3420*(313*2+1)/15/100 : 3420*(262*2+1)/15/100; // 2fr + 1ln |
1071 | u16 _68k_loops = pal ? 3420*(313*2+1)/7/10 : 3420*(262*2+1)/7/10; |
1072 | int ok = 1; |
1073 | |
1074 | zram[0x1000] = 3; // idle loop, save vcnt |
1075 | write16_z80le(&zram[0x1002], 0); // src (unused) |
1076 | write16_z80le(&zram[0x1004], 0x1100); // vcnt dst |
1077 | write16_z80le(&zram[0x1006], z80_loops); // x100 cycles |
1078 | zram[0x1100] = 0; |
1079 | mem_barrier(); |
1080 | |
1081 | vdp_wait_for_line_0(); |
1082 | write16(0xa11100, 0x000); |
1083 | burn10(_68k_loops + (Z80_C_DISPATCH + Z80_C_END_VCNT) * 15 / 7 / 10); |
1084 | |
1085 | write16(0xa11100, 0x100); |
1086 | while (read16(0xa11100) & 0x100) |
1087 | ; |
1088 | expect(ok, zram[0x1000], 0); |
1089 | expect(ok, zram[0x1100], 1); |
1090 | return ok; |
1091 | } |
1092 | |
1093 | #define Z80_CYCLES_TEST2(b) (Z80_C_DISPATCH + (b) * 38 + Z80_C_END_VCNT) |
a385208c |
1094 | |
1095 | // 80 80 91 95-96 |
1096 | static void z80_read_loop(u8 *zram, u16 src) |
1097 | { |
1098 | const int pairs = 512 + 256; |
1099 | |
1100 | zram[0x1000] = 2; // read loop, save vcnt |
1101 | write16_z80le(&zram[0x1002], src); // src |
1102 | write16_z80le(&zram[0x1004], 0x1100); // vcnt dst |
1103 | write16_z80le(&zram[0x1006], pairs); // reads/2 |
1104 | zram[0x1100] = 0; |
1105 | mem_barrier(); |
1106 | |
1107 | vdp_wait_for_line_0(); |
1108 | write16(0xa11100, 0x000); |
e71680d5 |
1109 | burn10(Z80_CYCLES_TEST2(pairs) * 15 / 7 * 2 / 10); |
a385208c |
1110 | |
1111 | write16(0xa11100, 0x100); |
1112 | while (read16(0xa11100) & 0x100) |
1113 | ; |
1114 | } |
1115 | |
1116 | static int t_tim_z80_ram(void) |
1117 | { |
1118 | u8 *zram = (u8 *)0xa00000; |
1119 | int ok = 1; |
1120 | |
1121 | z80_read_loop(zram, 0); |
1122 | |
1123 | expect(ok, zram[0x1000], 0); |
1124 | expect_range(ok, zram[0x1100], 0x80, 0x80); |
1125 | return ok; |
1126 | } |
1127 | |
1128 | static int t_tim_z80_ym(void) |
1129 | { |
1130 | u8 *zram = (u8 *)0xa00000; |
1131 | int ok = 1; |
1132 | |
1133 | z80_read_loop(zram, 0x4000); |
1134 | |
1135 | expect(ok, zram[0x1000], 0); |
1136 | expect_range(ok, zram[0x1100], 0x80, 0x80); |
1137 | return ok; |
1138 | } |
1139 | |
1140 | static int t_tim_z80_vdp(void) |
1141 | { |
1142 | u8 *zram = (u8 *)0xa00000; |
1143 | int ok = 1; |
1144 | |
1145 | z80_read_loop(zram, 0x7f08); |
1146 | |
1147 | expect(ok, zram[0x1000], 0); |
a385208c |
1148 | expect_range(ok, zram[0x1100], 0x91, 0x91); |
a385208c |
1149 | return ok; |
1150 | } |
1151 | |
1152 | static int t_tim_z80_bank_rom(void) |
1153 | { |
1154 | u8 *zram = (u8 *)0xa00000; |
1155 | int i, ok = 1; |
1156 | |
1157 | for (i = 0; i < 17; i++) |
1158 | write8(0xa06000, 0); // bank 0 |
1159 | |
1160 | z80_read_loop(zram, 0x8000); |
1161 | |
1162 | expect(ok, zram[0x1000], 0); |
a385208c |
1163 | expect_range(ok, zram[0x1100], 0x95, 0x96); |
a385208c |
1164 | return ok; |
1165 | } |
1166 | |
1167 | /* borderline too slow */ |
1168 | #if 0 |
cc7e5122 |
1169 | static void test_vcnt_vb(void) |
a385208c |
1170 | { |
1171 | const u32 *srhv = (u32 *)0xc00006; // to read SR and HV counter |
1172 | u32 *ram = (u32 *)0xff0000; |
1173 | u16 vcnt, vcnt_expect = 0; |
1174 | u16 sr, count = 0; |
1175 | u32 val, old; |
1176 | |
1177 | vdp_wait_for_line_0(); |
1178 | old = read32(srhv); |
1179 | *ram++ = old; |
1180 | for (;;) { |
1181 | val = read32(srhv); |
1182 | vcnt = val & 0xff00; |
1183 | if (vcnt == vcnt_expect) |
1184 | continue; |
1185 | sr = val >> 16; |
1186 | if (vcnt == 0 && !(sr & SR_VB)) // not VB |
1187 | break; // wrapped to start of frame |
1188 | // count++; |
1189 | vcnt_expect += 0x100; |
1190 | if (vcnt == vcnt_expect && !((sr ^ (old >> 16)) & SR_VB)) { |
1191 | old = val; |
1192 | continue; |
1193 | } |
1194 | // should have a vcnt jump here |
1195 | *ram++ = old; |
1196 | *ram++ = val; |
1197 | vcnt_expect = vcnt; |
1198 | old = val; |
1199 | } |
1200 | *ram++ = val; |
1201 | *ram = count; |
1202 | mem_barrier(); |
1203 | } |
1204 | #endif |
1205 | |
1206 | static int t_tim_vcnt(void) |
1207 | { |
1208 | const u32 *ram32 = (u32 *)0xff0000; |
1209 | const u8 *ram = (u8 *)0xff0000; |
1210 | u8 pal = read8(0xa10001) & 0x40; |
1211 | u8 vc_jmp_b = pal ? 0x02 : 0xea; |
1212 | u8 vc_jmp_a = pal ? 0xca : 0xe5; |
1213 | u16 lines = pal ? 313 : 262; |
1214 | int ok = 1; |
1215 | |
cc7e5122 |
1216 | test_vcnt_vb(); |
a385208c |
1217 | expect(ok, ram[0*4+2], 0); // line 0 |
1218 | expect_bits(ok, ram[0*4+1], 0, SR_VB); |
1219 | expect(ok, ram[1*4+2], 223); // last no blank |
1220 | expect_bits(ok, ram[1*4+1], 0, SR_VB); |
1221 | expect(ok, ram[2*4+2], 224); // 1st blank |
1222 | expect_bits(ok, ram[2*4+1], SR_VB, SR_VB); |
1223 | expect(ok, ram[3*4+2], vc_jmp_b); // before jump |
1224 | expect_bits(ok, ram[3*4+1], SR_VB, SR_VB); |
1225 | expect(ok, ram[4*4+2], vc_jmp_a); // after jump |
1226 | expect_bits(ok, ram[4*4+1], SR_VB, SR_VB); |
1227 | expect(ok, ram[5*4+2], 0xfe); // before vb clear |
1228 | expect_bits(ok, ram[5*4+1], SR_VB, SR_VB); |
1229 | expect(ok, ram[6*4+2], 0xff); // after vb clear |
1230 | expect_bits(ok, ram[6*4+1], 0, SR_VB); |
1231 | expect(ok, ram[7*4+2], 0); // next line 0 |
1232 | expect_bits(ok, ram[7*4+1], 0, SR_VB); |
1233 | expect(ok, ram32[8], lines - 1); |
1234 | return ok; |
1235 | } |
1236 | |
e71680d5 |
1237 | static int t_tim_vcnt_loops(void) |
1238 | { |
1239 | const u16 *ram16 = (u16 *)0xfff004; |
1240 | u8 pal = read8(0xa10001) & 0x40; |
1241 | u16 i, lines = pal ? 313 : 262; |
1242 | int ok = 1; |
1243 | |
1244 | test_vcnt_loops(); |
1245 | expect(ok, ram16[-1*2+0], 0xff); |
1246 | expect_range(ok, ram16[-1*2+1], 21, 22); |
1247 | for (i = 0; i < lines; i++) |
1248 | expect_range(ok, ram16[i*2+1], 19, 21); |
1249 | expect(ok, ram16[lines*2+0], 0); |
635f2450 |
1250 | expect_range(ok, ram16[lines*2+1], 19, 21); |
e71680d5 |
1251 | return ok; |
1252 | } |
1253 | |
cc7e5122 |
1254 | static int t_tim_hblank_h40(void) |
1255 | { |
1256 | const u8 *r = (u8 *)0xff0000; |
1257 | int ok = 1; |
1258 | |
1259 | test_hb(); |
1260 | |
1261 | // set: 0-2 |
1262 | expect_bits(ok, r[2], SR_HB, SR_HB); |
1263 | expect_bits(ok, r[5], SR_HB, SR_HB); |
1264 | // <wait> |
1265 | expect_bits(ok, r[7], SR_HB, SR_HB); |
1266 | // clear: 8-11 |
1267 | expect_bits(ok, r[12], 0, SR_HB); |
1268 | return ok; |
1269 | } |
1270 | |
1271 | static int t_tim_hblank_h32(void) |
1272 | { |
1273 | const u8 *r = (u8 *)0xff0000; |
1274 | int ok = 1; |
1275 | |
1276 | VDP_setReg(VDP_MODE4, 0x00); |
1277 | test_hb(); |
1278 | VDP_setReg(VDP_MODE4, 0x81); |
1279 | |
cc7e5122 |
1280 | expect_bits(ok, r[0], 0, SR_HB); |
cc7e5122 |
1281 | // set: 1-4 |
1282 | expect_bits(ok, r[4], SR_HB, SR_HB); |
1283 | expect_bits(ok, r[5], SR_HB, SR_HB); |
1284 | // <wait> |
1285 | expect_bits(ok, r[8], SR_HB, SR_HB); |
1286 | // clear: 9-11 |
1287 | expect_bits(ok, r[12], 0, SR_HB); |
1288 | return ok; |
1289 | } |
1290 | |
a385208c |
1291 | static int t_tim_vdp_as_vram_w(void) |
1292 | { |
1293 | int ok = 1; |
1294 | u8 vcnt; |
1295 | |
1296 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100)); |
1297 | vdp_wait_for_line_0(); |
1298 | write16_x16(VDP_DATA_PORT, 112*18 / 16, 0); |
1299 | vcnt = read8(VDP_HV_COUNTER); |
1300 | mem_barrier(); |
1301 | |
1302 | expect(ok, vcnt, 112*2-1); |
1303 | return ok; |
1304 | } |
1305 | |
1306 | static int t_tim_vdp_as_cram_w(void) |
1307 | { |
1308 | int ok = 1; |
1309 | u8 vcnt; |
1310 | |
1311 | write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(0)); |
1312 | vdp_wait_for_line_0(); |
1313 | write16_x16(VDP_DATA_PORT, 112*18 / 16, 0); |
1314 | vcnt = read8(VDP_HV_COUNTER); |
1315 | mem_barrier(); |
1316 | |
1317 | setup_default_palette(); |
1318 | |
a385208c |
1319 | expect(ok, vcnt, 112); |
a385208c |
1320 | return ok; |
1321 | } |
1322 | |
e71680d5 |
1323 | static const u8 hcnt2tm[] = |
1324 | { |
1325 | 0x0a, 0x1d, 0x31, 0x44, 0x58, 0x6b, 0x7f, 0x92, |
1326 | 0xa6, 0xb9, 0xcc, 0x00, 0x00, 0x00, 0xe2, 0xf6 |
1327 | }; |
1328 | |
1329 | static int t_tim_ym_timer_z80(int is_b) |
1330 | { |
1331 | u8 pal = read8(0xa10001) & 0x40; |
1332 | u8 *zram = (u8 *)0xa00000; |
1333 | u8 *z80 = zram; |
1334 | u16 _68k_loops = 3420*(302+5+1)/7/10; // ~ (72*1024*2)/(3420./7) |
1335 | u16 start, end, diff; |
1336 | int ok = 1; |
1337 | |
1338 | zram[0x1000] = 4 + is_b; // ym2612 timer a/b test |
1339 | zram[0x1100] = zram[0x1101] = zram[0x1102] = zram[0x1103] = 0; |
1340 | mem_barrier(); |
1341 | |
1342 | vdp_wait_for_line_0(); |
1343 | write16(0xa11100, 0x000); |
1344 | |
1345 | burn10(_68k_loops + (Z80_C_DISPATCH + Z80_C_END_VCNT) * 15 / 7 / 10); |
1346 | |
1347 | write16(0xa11100, 0x100); |
1348 | while (read16(0xa11100) & 0x100) |
1349 | ; |
1350 | mem_barrier(); |
1351 | expect(ok, zram[0x1000], 0); |
1352 | (void)hcnt2tm; |
1353 | //start = ((u16)zram[0x1102] << 8) | hcnt2tm[zram[0x1103] >> 4]; |
1354 | //end = ((u16)zram[0x1100] << 8) | hcnt2tm[zram[0x1101] >> 4]; |
1355 | start = zram[0x1102]; |
1356 | end = zram[0x1100]; |
1357 | diff = end - start; |
1358 | if (pal) |
1359 | expect_range(ok, diff, 0xf4, 0xf6); |
1360 | else |
1361 | expect_range(ok, diff, 0x27, 0x29); |
1362 | write8(&z80[0x4001], 0); // stop, but should keep the flag |
1363 | mem_barrier(); |
1364 | burn10(32*6/10); // busy bit, 32 FM ticks (M/7/6) |
1365 | if (is_b) { |
1366 | expect(ok, z80[0x4000], 2); |
1367 | write8(&z80[0x4001], 0x20); // reset flag (reg 0x27, set up by z80) |
1368 | } |
1369 | else { |
1370 | expect(ok, z80[0x4000], 1); |
1371 | write8(&z80[0x4001], 0x10); |
1372 | } |
1373 | mem_barrier(); |
1374 | burn10(32*6/10); |
1375 | expect(ok, z80[0x4000], 0); |
1376 | return ok; |
1377 | } |
1378 | |
1379 | static int t_tim_ym_timera_z80(void) |
1380 | { |
1381 | return t_tim_ym_timer_z80(0); |
1382 | } |
1383 | |
1384 | static int t_tim_ym_timerb_z80(void) |
1385 | { |
1386 | return t_tim_ym_timer_z80(1); |
1387 | } |
1388 | |
1389 | static int t_tim_ym_timerb_stop(void) |
1390 | { |
1391 | const struct { |
1392 | //u8 vcnt_start; |
1393 | //u8 hcnt_start; |
1394 | u16 vcnt_start; |
1395 | u16 stat0; |
1396 | //u8 vcnt_end; |
1397 | //u8 hcnt_end; |
1398 | u16 vcnt_end; |
1399 | u16 stat1; |
1400 | } *t = (void *)0xfff000; |
1401 | u8 *z80 = (u8 *)0xa00000; |
1402 | u16 diff; |
1403 | int ok = 1; |
1404 | write16(0xa11100, 0x100); |
1405 | while (read16(0xa11100) & 0x100) |
1406 | ; |
1407 | test_ym_stopped_tick(); |
1408 | mem_barrier(); |
1409 | //start = ((u16)t->vcnt_start << 8) | hcnt2tm[t->hcnt_start >> 4]; |
1410 | //end = ((u16)t->vcnt_end << 8) | hcnt2tm[t->hcnt_end >> 4]; |
1411 | //diff = end - start; |
1412 | diff = t->vcnt_end - t->vcnt_start; |
1413 | //expect_range(ok, diff, 0x492, 0x5c2); // why so much variation? |
1414 | expect_range(ok, diff, 4, 5); |
1415 | expect(ok, t->stat0, 0); |
1416 | expect(ok, t->stat1, 2); |
1417 | expect(ok, z80[0x4000], 2); |
1418 | write8(&z80[0x4001], 0x30); |
1419 | return ok; |
1420 | } |
1421 | |
1422 | static int t_tim_ym_timer_ab_sync(void) |
1423 | { |
3d80f940 |
1424 | u16 v1, v2, v3, v4, v5, ln0, ln1, ln2; |
e71680d5 |
1425 | int ok = 1; |
3d80f940 |
1426 | |
1427 | vdp_wait_for_line_0(); |
635f2450 |
1428 | v1 = test_ym_ab_sync(); |
3d80f940 |
1429 | |
1430 | ln0 = get_line(); |
1431 | burn10(3420*15/7/10); // ~15 scanlines |
1432 | write8(0xa04001, 0x3f); // clear, no reload |
1433 | burn10(12); // wait for busy to clear |
635f2450 |
1434 | v2 = read8(0xa04000); |
1435 | v3 = test_ym_ab_sync2(); |
3d80f940 |
1436 | |
1437 | ln1 = get_line(); |
1438 | burn10(3420*15/7/10); // ~15 scanlines |
1439 | v4 = test_ym_ab_sync2(); |
1440 | |
1441 | ln2 = get_line(); |
1442 | burn10(3420*30/7/10); // ~35 scanlines |
1443 | v5 = read8(0xa04000); |
1444 | |
635f2450 |
1445 | expect(ok, v1, 3); |
1446 | expect(ok, v2, 0); |
1447 | expect(ok, v3, 3); |
3d80f940 |
1448 | expect(ok, v4, 2); |
1449 | expect(ok, v5, 0); |
1450 | expect_range(ok, ln1-ln0, 18, 19); |
1451 | expect_range(ok, ln2-ln1, 32, 34); // almost always 33 |
e71680d5 |
1452 | return ok; |
1453 | } |
1454 | |
4f936a9c |
1455 | struct irq_test { |
1456 | u16 cnt; |
1457 | union { |
1458 | u16 hv; |
1459 | u8 v; |
1460 | } first, last; |
8517a6df |
1461 | u16 pad; |
4f936a9c |
1462 | }; |
1463 | |
e71680d5 |
1464 | // broken on fresh boot due to uknown reasons |
6c839579 |
1465 | static int t_irq_hint(void) |
1466 | { |
4f936a9c |
1467 | struct irq_test *it = (void *)0xfff000; |
e71680d5 |
1468 | struct irq_test *itv = it + 1; |
6c839579 |
1469 | int ok = 1; |
1470 | |
e71680d5 |
1471 | memset_(it, 0, sizeof(*it) * 2); |
1472 | memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint); |
1473 | memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint); |
1474 | |
1475 | // without this, tests fail after cold boot |
1476 | while (!(read16(VDP_CTRL_PORT) & 8)) |
1477 | /* not blanking */; |
1478 | |
6c839579 |
1479 | // for more fun, disable the display |
1480 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD); |
1481 | |
6c839579 |
1482 | VDP_setReg(10, 0); |
1483 | while (read8(VDP_HV_COUNTER) != 100) |
1484 | ; |
1485 | while (read8(VDP_HV_COUNTER) != 229) |
1486 | ; |
1487 | // take the pending irq |
1488 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS | VDP_MODE1_IE1); |
1489 | move_sr(0x2000); |
1490 | burn10(488 * 2 / 10); |
1491 | move_sr(0x2700); |
4f936a9c |
1492 | expect(ok, it->first.v, 229); // pending irq trigger |
1493 | expect(ok, it->cnt, 1); |
e71680d5 |
1494 | expect(ok, itv->cnt, 0); |
4f936a9c |
1495 | |
6c839579 |
1496 | // count irqs |
4f936a9c |
1497 | it->cnt = it->first.hv = it->last.hv = 0; |
6c839579 |
1498 | move_sr(0x2000); |
cc7e5122 |
1499 | while (read8(VDP_HV_COUNTER) != 4) |
6c839579 |
1500 | ; |
1501 | while (read8(VDP_HV_COUNTER) != 228) |
1502 | ; |
1503 | move_sr(0x2700); |
4f936a9c |
1504 | expect(ok, it->cnt, 225); |
1505 | expect(ok, it->first.v, 0); |
1506 | expect(ok, it->last.v, 224); |
1507 | |
6c839579 |
1508 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
1509 | |
4f936a9c |
1510 | // detect reload line |
1511 | it->cnt = it->first.hv = it->last.hv = 0; |
1512 | VDP_setReg(10, 17); |
1513 | move_sr(0x2000); |
1514 | while (read16(VDP_CTRL_PORT) & 8) |
1515 | /* blanking */; |
1516 | VDP_setReg(10, 255); |
1517 | while (read8(VDP_HV_COUNTER) != 228) |
1518 | ; |
1519 | move_sr(0x2700); |
1520 | expect(ok, it->cnt, 1); |
1521 | expect(ok, it->first.v, 17); |
1522 | expect(ok, it->last.v, 17); |
1523 | |
1524 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS); |
1525 | |
6c839579 |
1526 | return ok; |
1527 | } |
1528 | |
8517a6df |
1529 | static int t_irq_both_cpu_unmask(void) |
1530 | { |
1531 | struct irq_test *ith = (void *)0xfff000; |
1532 | struct irq_test *itv = ith + 1; |
1533 | u16 s0, s1; |
1534 | int ok = 1; |
1535 | |
1536 | memset_(ith, 0, sizeof(*ith) * 2); |
1537 | memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint); |
1538 | memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint); |
1539 | VDP_setReg(10, 0); |
1540 | while (read8(VDP_HV_COUNTER) != 100) |
1541 | ; |
1542 | while (read8(VDP_HV_COUNTER) != 226) |
1543 | ; |
1544 | VDP_setReg(10, 99); |
1545 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS | VDP_MODE1_IE1); |
1546 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_IE0 | VDP_MODE2_DISP); |
1547 | /* go to active display line 100 */ |
1548 | while (read8(VDP_HV_COUNTER) != 100) |
1549 | ; |
1550 | s0 = read16(VDP_CTRL_PORT); |
1551 | s1 = move_sr_and_read(0x2000, VDP_CTRL_PORT); |
1552 | move_sr(0x2700); |
1553 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS); |
1554 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
1555 | |
1556 | expect(ok, itv->cnt, 1); // vint count |
1557 | expect(ok, itv->first.v, 100); // vint line |
1558 | expect(ok, ith->cnt, 1); // hint count |
1559 | expect(ok, ith->first.v, 100); // hint line |
1560 | expect_bits(ok, s0, SR_F, SR_F); |
1561 | expect_bits(ok, s1, 0, SR_F); |
1562 | return ok; |
1563 | } |
1564 | |
6c839579 |
1565 | static int t_irq_ack_v_h(void) |
1566 | { |
8517a6df |
1567 | struct irq_test *ith = (void *)0xfff000; |
1568 | struct irq_test *itv = ith + 1; |
6c839579 |
1569 | u16 s0, s1, s2; |
1570 | int ok = 1; |
1571 | |
8517a6df |
1572 | memset_(ith, 0, sizeof(*ith) * 2); |
6c839579 |
1573 | memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint); |
1574 | memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint); |
1575 | VDP_setReg(10, 0); |
4f936a9c |
1576 | /* ensure hcnt reload */ |
1577 | while (!(read16(VDP_CTRL_PORT) & 8)) |
1578 | /* not blanking */; |
1579 | while (read16(VDP_CTRL_PORT) & 8) |
1580 | /* blanking */; |
6c839579 |
1581 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS | VDP_MODE1_IE1); |
1582 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_IE0); |
1583 | while (read8(VDP_HV_COUNTER) != 100) |
1584 | ; |
1585 | while (read8(VDP_HV_COUNTER) != 226) |
1586 | ; |
1587 | s0 = read16(VDP_CTRL_PORT); |
1588 | s1 = move_sr_and_read(0x2500, VDP_CTRL_PORT); |
1589 | burn10(666 / 10); |
1590 | s2 = move_sr_and_read(0x2000, VDP_CTRL_PORT); |
1591 | burn10(488 / 10); |
1592 | move_sr(0x2700); |
1593 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS); |
1594 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
1595 | |
8517a6df |
1596 | expect(ok, itv->cnt, 1); // vint count |
1597 | expect(ok, itv->first.v, 226); // vint line |
1598 | expect(ok, ith->cnt, 1); // hint count |
1599 | expect(ok, ith->first.v, 228); // hint line |
6c839579 |
1600 | expect_bits(ok, s0, SR_F, SR_F); |
1601 | expect_bits(ok, s1, 0, SR_F); |
1602 | expect_bits(ok, s2, 0, SR_F); |
1603 | return ok; |
1604 | } |
1605 | |
cc7e5122 |
1606 | static int t_irq_ack_v_h_2(void) |
1607 | { |
8517a6df |
1608 | struct irq_test *ith = (void *)0xfff000; |
1609 | struct irq_test *itv = ith + 1; |
cc7e5122 |
1610 | u16 s0, s1; |
1611 | int ok = 1; |
1612 | |
8517a6df |
1613 | memset_(ith, 0, sizeof(*ith) * 2); |
cc7e5122 |
1614 | memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint); |
1615 | memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint); |
1616 | VDP_setReg(10, 0); |
1617 | while (read8(VDP_HV_COUNTER) != 100) |
1618 | ; |
1619 | while (read8(VDP_HV_COUNTER) != 226) |
1620 | ; |
1621 | s0 = read16(VDP_CTRL_PORT); |
1622 | test_v_h_2(); |
1623 | s1 = read16(VDP_CTRL_PORT); |
1624 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS); |
1625 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
1626 | |
8517a6df |
1627 | expect(ok, itv->cnt, 2); // vint count |
1628 | expect(ok, itv->first.v, 226); // vint line |
1629 | expect(ok, ith->cnt, 1); // hint count |
1630 | expect(ok, ith->first.v, 227); // hint line |
cc7e5122 |
1631 | expect_bits(ok, s0, SR_F, SR_F); |
1632 | expect_bits(ok, s1, 0, SR_F); |
1633 | return ok; |
1634 | } |
1635 | |
6c839579 |
1636 | static int t_irq_ack_h_v(void) |
1637 | { |
1638 | u16 *ram = (u16 *)0xfff000; |
1639 | u8 *ram8 = (u8 *)0xfff000; |
1640 | u16 s0, s1, s[4]; |
1641 | int ok = 1; |
1642 | |
1643 | ram[0] = ram[1] = ram[2] = |
1644 | ram[4] = ram[5] = ram[6] = 0; |
1645 | memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint); |
1646 | memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint); |
1647 | VDP_setReg(10, 0); |
1648 | while (read8(VDP_HV_COUNTER) != 100) |
1649 | ; |
1650 | while (read8(VDP_HV_COUNTER) != 226) |
1651 | ; |
1652 | s0 = read16(VDP_CTRL_PORT); |
1653 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS | VDP_MODE1_IE1); |
1654 | move_sr(0x2000); |
1655 | burn10(666 / 10); |
1656 | s1 = read16(VDP_CTRL_PORT); |
1657 | write_and_read1(VDP_CTRL_PORT, 0x8000 | (VDP_MODE2 << 8) |
1658 | | VDP_MODE2_MD | VDP_MODE2_IE0, s); |
6c839579 |
1659 | move_sr(0x2700); |
1660 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS); |
1661 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
1662 | |
1663 | expect(ok, ram[0], 1); // hint count |
1664 | expect(ok, ram8[2], 226); // hint line |
1665 | expect(ok, ram[4], 1); // vint count |
1666 | expect(ok, ram8[10], 228); // vint line |
1667 | expect_bits(ok, s0, SR_F, SR_F); |
1668 | expect_bits(ok, s1, SR_F, SR_F); |
1669 | expect_bits(ok, s[0], SR_F, SR_F); |
1670 | expect_bits(ok, s[1], SR_F, SR_F); |
1671 | expect_bits(ok, s[2], 0, SR_F); |
1672 | expect_bits(ok, s[3], 0, SR_F); |
1673 | return ok; |
1674 | } |
1675 | |
cc7e5122 |
1676 | static int t_irq_ack_h_v_2(void) |
1677 | { |
1678 | u16 *ram = (u16 *)0xfff000; |
1679 | u8 *ram8 = (u8 *)0xfff000; |
1680 | u16 s0, s1; |
1681 | int ok = 1; |
1682 | |
1683 | ram[0] = ram[1] = ram[2] = |
1684 | ram[4] = ram[5] = ram[6] = 0; |
1685 | memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint); |
1686 | memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint); |
1687 | VDP_setReg(10, 0); |
1688 | while (read8(VDP_HV_COUNTER) != 100) |
1689 | ; |
1690 | while (read8(VDP_HV_COUNTER) != 226) |
1691 | ; |
1692 | s0 = read16(VDP_CTRL_PORT); |
1693 | test_h_v_2(); |
1694 | s1 = read16(VDP_CTRL_PORT); |
1695 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS); |
1696 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
1697 | |
1698 | expect(ok, ram[0], 2); // hint count |
1699 | expect(ok, ram8[2], 226); // hint first line |
1700 | expect(ok, ram8[4], 226); // hint last line |
1701 | expect(ok, ram[4], 0); // vint count |
1702 | expect(ok, ram8[10], 0); // vint line |
1703 | expect_bits(ok, s0, SR_F, SR_F); |
1704 | expect_bits(ok, s1, 0, SR_F); |
1705 | return ok; |
1706 | } |
1707 | |
1708 | static void t_irq_f_flag(void) |
1709 | { |
1710 | memcpy_((void *)0xff0140, test_f_vint, test_f_vint_end - test_f_vint); |
1711 | memset_((void *)0xff0000, 0, 10); |
1712 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_IE0 | VDP_MODE2_DISP); |
1713 | test_f(); |
1714 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
1715 | } |
1716 | |
1717 | static int t_irq_f_flag_h40(void) |
1718 | { |
1719 | u8 f, *r = (u8 *)0xff0000; |
1720 | int ok = 1; |
1721 | |
1722 | t_irq_f_flag(); |
1723 | |
1724 | expect_bits(ok, r[0], 0, SR_F); |
1725 | expect_bits(ok, r[1], 0, SR_F); |
1726 | expect_bits(ok, r[2], 0, SR_F); |
1727 | // hits 1-3 times in range 3-9, usually ~5 |
1728 | f = r[3] | r[4] | r[5] | r[6] | r[7]; |
1729 | |
1730 | expect_bits(ok, r[10], 0, SR_F); |
1731 | expect_bits(ok, r[11], 0, SR_F); |
1732 | expect_bits(ok, f, SR_F, SR_F); |
1733 | return ok; |
1734 | } |
1735 | |
1736 | static int t_irq_f_flag_h32(void) |
1737 | { |
1738 | u8 f, *r = (u8 *)0xff0000; |
1739 | int ok = 1; |
1740 | |
1741 | VDP_setReg(VDP_MODE4, 0x00); |
1742 | t_irq_f_flag(); |
1743 | VDP_setReg(VDP_MODE4, 0x81); |
1744 | |
1745 | expect_bits(ok, r[0], 0, SR_F); |
1746 | expect_bits(ok, r[1], 0, SR_F); |
1747 | // hits 1-3 times in range 2-7, usually 3 |
1748 | f = r[2] | r[3] | r[4] | r[5] | r[6] | r[7]; |
1749 | |
1750 | expect_bits(ok, r[8], 0, SR_F); |
1751 | expect_bits(ok, r[9], 0, SR_F); |
1752 | expect_bits(ok, r[10], 0, SR_F); |
1753 | expect_bits(ok, r[11], 0, SR_F); |
1754 | expect_bits(ok, f, SR_F, SR_F); |
1755 | return ok; |
1756 | } |
1757 | |
9d39a80e |
1758 | // 32X |
1759 | |
5073ab5a |
1760 | #define IRQ_CNT_FB_BASE 0x1ff00 |
1761 | |
6474d733 |
1762 | // see do_cmd() |
5073ab5a |
1763 | static void x32_cmd(enum x32x_cmd cmd, u32 a0, u32 a1, u16 is_slave) |
1764 | { |
1765 | u16 v, *r = (u16 *)0xa15120; |
6474d733 |
1766 | u8 *r8 = (u8 *)r; |
5073ab5a |
1767 | u16 cmd_s = cmd | (is_slave << 15); |
1768 | int i; |
1769 | |
1770 | write32(&r[4/2], a0); |
1771 | write32(&r[8/2], a1); |
1772 | mem_barrier(); |
1773 | write16(r, cmd_s); |
1774 | mem_barrier(); |
1775 | for (i = 0; i < 10000 && (v = read16(r)) == cmd_s; i++) |
1776 | burn10(1); |
1777 | if (v != 0) { |
1778 | printf("cmd clr: %x\n", v); |
1779 | mem_barrier(); |
6474d733 |
1780 | printf("exc m s: %02x %02x\n", r8[0x0e], r8[0x0f]); |
5073ab5a |
1781 | write16(r, 0); |
1782 | } |
1783 | v = read16(&r[1]); |
1784 | if (v != 0) { |
1785 | printf("cmd err: %x\n", v); |
1786 | write16(&r[1], 0); |
1787 | } |
1788 | } |
1789 | |
1790 | static int t_32x_reset_btn(void) |
1791 | { |
1792 | void (*do_32x_disable)(void) = (void *)0xff0040; |
1793 | u32 *fbl_icnt = (u32 *)(0x840000 + IRQ_CNT_FB_BASE); |
1794 | u16 *m_icnt = (u16 *)fbl_icnt; |
1795 | u16 *s_icnt = m_icnt + 8; |
1796 | u32 *r32 = (u32 *)0xa15100; |
1797 | u16 *r16 = (u16 *)r32, i, s; |
1798 | u8 *r8 = (u8 *)r32; |
1799 | u32 *rl = (u32 *)0; |
1800 | int ok = 1; |
1801 | |
1802 | if (!(read16(r16) & 1)) |
1803 | return R_SKIP; |
1804 | |
1805 | expect(ok, r16[0x00/2], 0x8083); |
1806 | |
1807 | write8(r8, 0x00); // FM=0 |
1808 | mem_barrier(); |
1809 | expect(ok, r16[0x00/2], 0x83); |
1810 | expect(ok, r16[0x02/2], 0); |
1811 | expect(ok, r16[0x04/2], 3); |
1812 | expect(ok, r16[0x06/2], 1); // RV (set in sega_gcc.s reset handler) |
1813 | expect(ok, r32[0x08/4], 0x5a5a08); |
1814 | expect(ok, r32[0x0c/4], 0x5a5a0c); |
1815 | expect(ok, r16[0x10/2], 0x5a10); |
1816 | expect(ok, r32[0x14/4], 0); |
1817 | expect(ok, r32[0x18/4], 0); |
1818 | expect(ok, r32[0x1c/4], 0); |
1819 | expect(ok, r32[0x20/4], 0x00005a20); |
1820 | expect(ok, r32[0x24/4], 0x5a5a5a24); |
1821 | expect(ok, r32[0x28/4], 0x5a5a5a28); |
6474d733 |
1822 | expect(ok, r32[0x2c/4], 0x07075a2c); // 7 - last_irq_vec |
5073ab5a |
1823 | if (!(r16[0x00/2] & 0x8000)) { |
1824 | expect(ok, r8 [0x81], 0); |
1825 | expect(ok, r16[0x82/2], 0); |
1826 | expect(ok, r16[0x84/2], 0); |
1827 | expect(ok, r16[0x86/2], 0); |
1828 | //expect(ok, r16[0x88/2], 0); // triggers fill? |
1829 | expect(ok, r8 [0x8b] & ~2, 0); // FEN toggles periodically? |
1830 | expect(ok, r16[0x8c/2], 0); |
1831 | expect(ok, r16[0x8e/2], 0); |
1832 | } |
1833 | r32[0x20/4] = r32[0x24/4] = r32[0x28/4] = r32[0x2c/4] = 0; |
1834 | for (s = 0; s < 2; s++) |
1835 | { |
1836 | x32_cmd(CMD_READ32, 0x20004000, 0, s); // not cleared by hw |
1837 | expect_sh2(ok, s, r32[0x24/4], 0x02020000); // ADEN | cmd |
1838 | // t_32x_sh_defaults will test the other bits |
1839 | } |
1840 | // setup for t_32x_sh_defaults |
1841 | x32_cmd(CMD_WRITE8, 0x20004001, 0, 0); |
1842 | x32_cmd(CMD_WRITE8, 0x20004001, 0, 1); |
1843 | |
1844 | for (i = 0; i < 7; i++) { |
1845 | expect(ok, m_icnt[i], 0x100); |
1846 | expect(ok, s_icnt[i], 0x100); |
1847 | } |
1848 | expect(ok, m_icnt[7], 0x101); // VRES happened |
1849 | expect(ok, s_icnt[7], 0x101); |
1850 | |
1851 | memcpy_(do_32x_disable, x32x_disable, |
1852 | x32x_disable_end - x32x_disable); |
1853 | do_32x_disable(); |
1854 | |
1855 | expect(ok, r16[0x00/2], 0x82); |
1856 | expect(ok, r16[0x02/2], 0); |
1857 | expect(ok, r16[0x04/2], 3); |
1858 | expect(ok, r16[0x06/2], 1); // RV |
1859 | expect(ok, r32[0x08/4], 0x5a5a08); |
1860 | expect(ok, r32[0x0c/4], 0x5a5a0c); |
1861 | expect(ok, r16[0x10/2], 0x5a10); |
1862 | expect(ok, rl[0x04/4], 0x000800); |
1863 | |
1864 | // setup for t_32x_init, t_32x_sh_defaults |
1865 | r16[0x04/2] = 0; |
1866 | r16[0x06/2] = 0; // can just set without ADEN |
1867 | r16[0x10/2] = 0x1234; // warm reset indicator |
1868 | mem_barrier(); |
1869 | expect(ok, r16[0x06/2], 0); // RV |
1870 | return ok; |
1871 | } |
1872 | |
9d39a80e |
1873 | static int t_32x_init(void) |
1874 | { |
1875 | void (*do_32x_enable)(void) = (void *)0xff0040; |
1876 | u32 M_OK = MKLONG('M','_','O','K'); |
1877 | u32 S_OK = MKLONG('S','_','O','K'); |
5073ab5a |
1878 | u32 *r32 = (u32 *)0xa15100; |
1879 | u16 *r16 = (u16 *)r32; |
1880 | u8 *r8 = (u8 *)r32; |
71b41fdd |
1881 | int i, ok = 1; |
9d39a80e |
1882 | |
71b41fdd |
1883 | //v1070 = read32(0x1070); |
1884 | |
1885 | /* what does REN mean exactly? |
1886 | * Seems to be sometimes clear after reset */ |
1887 | for (i = 0; i < 1000000; i++) |
1888 | if (read16(r16) & 0x80) |
1889 | break; |
9d39a80e |
1890 | expect(ok, r16[0x00/2], 0x82); |
1891 | expect(ok, r16[0x02/2], 0); |
1892 | expect(ok, r16[0x04/2], 0); |
1893 | expect(ok, r16[0x06/2], 0); |
5073ab5a |
1894 | expect(ok, r8 [0x08], 0); |
1895 | //expect(ok, r32[0x08/4], 0); // garbage 24bit |
1896 | expect(ok, r8 [0x0c], 0); |
1897 | //expect(ok, r32[0x0c/4], 0); // garbage 24bit |
1898 | if (r16[0x10/2] != 0x1234) // warm reset |
1899 | expect(ok, r16[0x10/2], 0xffff); |
1900 | expect(ok, r16[0x12/2], 0); |
1901 | expect(ok, r32[0x14/4], 0); |
1902 | expect(ok, r32[0x18/4], 0); |
1903 | expect(ok, r32[0x1c/4], 0); |
1904 | //expect(ok, r8 [0x81], 0); // VDP; hangs without ADEN |
1905 | r32[0x20/4] = 0; // master resp |
1906 | r32[0x24/4] = 0; // slave resp |
1907 | r32[0x28/4] = 0; |
1908 | r32[0x2c/4] = 0; |
1909 | |
1910 | // these have garbage or old values (survive MD's power cycle) |
1911 | r32[0x08/4] = 0; |
1912 | r32[0x0c/4] = 0; |
9d39a80e |
1913 | |
1914 | // could just set RV, but BIOS reads ROM, so can't |
1915 | memcpy_(do_32x_enable, x32x_enable, |
1916 | x32x_enable_end - x32x_enable); |
1917 | do_32x_enable(); |
1918 | |
1919 | expect(ok, r16[0x00/2], 0x83); |
1920 | expect(ok, r16[0x02/2], 0); |
1921 | expect(ok, r16[0x04/2], 0); |
1922 | expect(ok, r16[0x06/2], 1); // RV |
5073ab5a |
1923 | expect(ok, r32[0x14/4], 0); |
1924 | expect(ok, r32[0x18/4], 0); |
1925 | expect(ok, r32[0x1c/4], 0); |
1926 | expect(ok, r32[0x20/4], M_OK); |
9d39a80e |
1927 | while (!read16(&r16[0x24/2])) |
1928 | ; |
5073ab5a |
1929 | expect(ok, r32[0x24/4], S_OK); |
1930 | write32(&r32[0x20/4], 0); |
1931 | if (!(r16[0x00/2] & 0x8000)) { |
1932 | expect(ok, r8 [0x81], 0); |
1933 | expect(ok, r16[0x82/2], 0); |
1934 | expect(ok, r16[0x84/2], 0); |
1935 | expect(ok, r16[0x86/2], 0); |
1936 | //expect(ok, r16[0x88/2], 0); // triggers fill? |
1937 | expect(ok, r8 [0x8b] & ~2, 0); |
1938 | expect(ok, r16[0x8c/2], 0); |
1939 | expect(ok, r16[0x8e/2], 0); |
06d7984c |
1940 | } |
5073ab5a |
1941 | return ok; |
9d39a80e |
1942 | } |
1943 | |
1944 | static int t_32x_echo(void) |
1945 | { |
6474d733 |
1946 | u16 *r16 = (u16 *)0xa15100; |
9d39a80e |
1947 | int ok = 1; |
1948 | |
6474d733 |
1949 | r16[0x2c/2] = r16[0x2e/2] = 0; |
06d7984c |
1950 | x32_cmd(CMD_ECHO, 0x12340000, 0, 0); |
6474d733 |
1951 | expect_sh2(ok, 0, r16[0x26/2], 0x1234); |
06d7984c |
1952 | x32_cmd(CMD_ECHO, 0x23450000, 0, 1); |
6474d733 |
1953 | expect_sh2(ok, 1, r16[0x26/2], 0xa345); |
1954 | expect(ok, r16[0x2c/2], 0); // no last_irq_vec |
1955 | expect(ok, r16[0x2e/2], 0); // no exception_index |
5073ab5a |
1956 | return ok; |
1957 | } |
1958 | |
1959 | static int t_32x_sh_defaults(void) |
1960 | { |
1961 | u32 *r32 = (u32 *)0xa15120; |
1962 | int ok = 1, s; |
1963 | |
1964 | for (s = 0; s < 2; s++) |
1965 | { |
1966 | x32_cmd(CMD_READ32, 0x20004000, 0, s); |
1967 | expect_sh2(ok, s, r32[0x04/4], 0x02000000); // ADEN |
1968 | x32_cmd(CMD_READ32, 0x20004004, 0, s); |
1969 | expect_sh2(ok, s, r32[0x04/4], 0x00004001); // Empty Rv |
1970 | x32_cmd(CMD_READ32, 0x20004008, 0, s); |
1971 | expect_sh2(ok, s, r32[0x04/4], 0); |
1972 | x32_cmd(CMD_READ32, 0x2000400c, 0, s); |
1973 | expect_sh2(ok, s, r32[0x04/4], 0); |
1974 | x32_cmd(CMD_GETGBR, 0, 0, s); |
1975 | expect_sh2(ok, s, r32[0x04/4], 0x20004000); |
1976 | } |
06d7984c |
1977 | return ok; |
1978 | } |
1979 | |
1980 | static int t_32x_md_bios(void) |
1981 | { |
1982 | void (*do_call_c0)(int a, int d) = (void *)0xff0040; |
1983 | u8 *rmb = (u8 *)0xff0000; |
1984 | u32 *rl = (u32 *)0; |
1985 | int ok = 1; |
1986 | |
1987 | memcpy_(do_call_c0, test_32x_b_c0, |
1988 | test_32x_b_c0_end - test_32x_b_c0); |
1989 | write8(rmb, 0); |
1990 | do_call_c0(0xff0000, 0x5a); |
1991 | |
1992 | expect(ok, rmb[0], 0x5a); |
1993 | expect(ok, rl[0x04/4], 0x880200); |
234c4556 |
1994 | expect(ok, rl[0x10/4], 0x880212); |
1995 | expect(ok, rl[0x94/4], 0x8802d8); |
9d39a80e |
1996 | return ok; |
1997 | } |
1998 | |
1999 | static int t_32x_md_rom(void) |
2000 | { |
2001 | u32 *rl = (u32 *)0; |
2002 | int ok = 1; |
2003 | |
2004 | expect(ok, rl[0x004/4], 0x880200); |
2005 | expect(ok, rl[0x100/4], 0x53454741); |
2006 | expect(ok, rl[0x70/4], 0); |
71b41fdd |
2007 | write32(&rl[0x70/4], 0xa5123456); |
9d39a80e |
2008 | write32(&rl[0x78/4], ~0); |
2009 | mem_barrier(); |
9d39a80e |
2010 | expect(ok, rl[0x78/4], 0x8802ae); |
71b41fdd |
2011 | expect(ok, rl[0x70/4], 0xa5123456); |
2012 | //expect(ok, rl[0x1070/4], v1070); |
2013 | write32(&rl[0x70/4], 0); |
2014 | // with RV 0x880000/0x900000 hangs, can't test |
9d39a80e |
2015 | return ok; |
2016 | } |
2017 | |
06d7984c |
2018 | static int t_32x_md_fb(void) |
2019 | { |
2020 | u8 *fbb = (u8 *)0x840000; |
2021 | u16 *fbw = (u16 *)fbb; |
2022 | u32 *fbl = (u32 *)fbb; |
2023 | u8 *fob = (u8 *)0x860000; |
2024 | u16 *fow = (u16 *)fob; |
2025 | u32 *fol = (u32 *)fob; |
2026 | int ok = 1; |
2027 | |
2028 | fbl[0] = 0x12345678; |
2029 | fol[1] = 0x89abcdef; |
2030 | mem_barrier(); |
2031 | expect(ok, fbw[1], 0x5678); |
2032 | expect(ok, fow[2], 0x89ab); |
2033 | fbb[0] = 0; |
2034 | fob[1] = 0; |
2035 | fbw[1] = 0; |
2036 | fow[2] = 0; |
2037 | fow[3] = 1; |
2038 | mem_barrier(); |
2039 | fow[3] = 0x200; |
2040 | mem_barrier(); |
2041 | expect(ok, fol[0], 0x12340000); |
2042 | expect(ok, fbl[1], 0x89ab0201); |
2043 | return ok; |
2044 | } |
2045 | |
2046 | static int t_32x_sh_fb(void) |
2047 | { |
2048 | u32 *fbl = (u32 *)0x840000; |
5073ab5a |
2049 | u8 *r8 = (u8 *)0xa15100; |
06d7984c |
2050 | int ok = 1; |
2051 | |
5073ab5a |
2052 | if (read8(r8) & 0x80) |
2053 | write8(r8, 0x00); // FM=0 |
06d7984c |
2054 | fbl[0] = 0x12345678; |
2055 | fbl[1] = 0x89abcdef; |
2056 | mem_barrier(); |
5073ab5a |
2057 | write8(r8, 0x80); // FM=1 |
2058 | x32_cmd(CMD_WRITE8, 0x24000000, 0, 0); // should ignore |
2059 | x32_cmd(CMD_WRITE8, 0x24020001, 0, 0); // ignore |
2060 | x32_cmd(CMD_WRITE16, 0x24000002, 0, 0); // ok |
2061 | x32_cmd(CMD_WRITE16, 0x24020000, 0, 0); // ignore |
06d7984c |
2062 | x32_cmd(CMD_WRITE32, 0x24020004, 0x5a0000a5, 1); |
5073ab5a |
2063 | write8(r8, 0x00); // FM=0 |
06d7984c |
2064 | mem_barrier(); |
2065 | expect(ok, fbl[0], 0x12340000); |
2066 | expect(ok, fbl[1], 0x5aabcda5); |
2067 | return ok; |
2068 | } |
2069 | |
5073ab5a |
2070 | static int t_32x_irq(void) |
234c4556 |
2071 | { |
5073ab5a |
2072 | u32 *fbl_icnt = (u32 *)(0x840000 + IRQ_CNT_FB_BASE); |
2073 | u16 *m_icnt = (u16 *)fbl_icnt; |
2074 | u16 *s_icnt = m_icnt + 8; |
234c4556 |
2075 | u32 *r = (u32 *)0xa15100; |
2076 | u16 *r16 = (u16 *)r; |
6474d733 |
2077 | u8 *r8 = (u8 *)r; |
5073ab5a |
2078 | int ok = 1, i; |
234c4556 |
2079 | |
5073ab5a |
2080 | write8(r, 0x00); // FM=0 |
6474d733 |
2081 | r[0x2c/4] = 0; |
5073ab5a |
2082 | mem_barrier(); |
2083 | for (i = 0; i < 8; i++) |
2084 | write32(&fbl_icnt[i], 0); |
2085 | mem_barrier(); |
2086 | write16(&r16[0x02/2], 0xfffd); // INTM+unused_bits |
2087 | mem_barrier(); |
2088 | expect(ok, r16[0x02/2], 1); |
2089 | x32_cmd(CMD_WRITE8, 0x20004001, 2, 0); // unmask cmd |
2090 | x32_cmd(CMD_WRITE8, 0x20004001, 2, 1); // unmask cmd slave |
2091 | burn10(10); |
2092 | write8(r, 0x00); // FM=0 (hangs without) |
2093 | mem_barrier(); |
2094 | expect(ok, r16[0x02/2], 0); |
6474d733 |
2095 | expect(ok, r8 [0x2c], 4); |
2096 | expect(ok, r8 [0x2d], 0); |
2097 | expect(ok, r16[0x2e/2], 0); // no exception_index |
5073ab5a |
2098 | expect(ok, m_icnt[4], 1); |
2099 | expect(ok, s_icnt[4], 0); |
2100 | write16(&r16[0x02/2], 0xaaaa); // INTS+unused_bits |
2101 | mem_barrier(); |
2102 | expect(ok, r16[0x02/2], 2); |
2103 | burn10(10); |
2104 | mem_barrier(); |
2105 | expect(ok, r16[0x02/2], 0); |
6474d733 |
2106 | expect(ok, r8 [0x2c], 4); |
2107 | expect(ok, r8 [0x2d], 4); |
2108 | expect(ok, r16[0x2e/2], 0); // no exception_index |
5073ab5a |
2109 | write8(r, 0x00); // FM=0 |
2110 | mem_barrier(); |
2111 | expect(ok, m_icnt[4], 1); |
2112 | expect(ok, s_icnt[4], 1); |
2113 | for (i = 0; i < 8; i++) { |
2114 | if (i == 4) |
2115 | continue; |
2116 | expect(ok, m_icnt[i], 0); |
2117 | expect(ok, s_icnt[i], 0); |
2118 | } |
2119 | return ok; |
2120 | } |
234c4556 |
2121 | |
5073ab5a |
2122 | static int t_32x_reg_w(void) |
2123 | { |
2124 | u32 *r32 = (u32 *)0xa15100; |
2125 | u16 *r16 = (u16 *)r32, old; |
2126 | int ok = 1; |
234c4556 |
2127 | |
5073ab5a |
2128 | r32[0x08/4] = ~0; |
2129 | r32[0x0c/4] = ~0; |
2130 | r16[0x10/2] = ~0; |
2131 | mem_barrier(); |
2132 | expect(ok, r32[0x08/4], 0xfffffe); |
2133 | expect(ok, r32[0x0c/4], 0xffffff); |
2134 | expect(ok, r16[0x10/2], 0xfffc); |
2135 | mem_barrier(); |
2136 | r32[0x08/4] = r32[0x0c/4] = 0; |
2137 | r16[0x10/2] = 0; |
2138 | old = r16[0x06/2]; |
2139 | x32_cmd(CMD_WRITE16, 0x20004006, ~old, 0); |
2140 | expect(ok, r16[0x06/2], old); |
2141 | return ok; |
2142 | } |
234c4556 |
2143 | |
5073ab5a |
2144 | // prepare for reset btn press tests |
2145 | static int t_32x_reset_prep(void) |
2146 | { |
2147 | u32 *fbl_icnt = (u32 *)(0x840000 + IRQ_CNT_FB_BASE); |
2148 | u32 *r32 = (u32 *)0xa15100; |
2149 | u16 *r16 = (u16 *)r32; |
2150 | u8 *r8 = (u8 *)r32; |
2151 | int ok = 1, i; |
2152 | |
2153 | expect(ok, r16[0x00/2], 0x83); |
2154 | write8(r8, 0x00); // FM=0 |
6474d733 |
2155 | r32[0x2c/4] = 0; |
234c4556 |
2156 | mem_barrier(); |
5073ab5a |
2157 | expect(ok, r8[0x8b] & ~2, 0); |
2158 | for (i = 0; i < 8; i++) |
2159 | write32(&fbl_icnt[i], 0x01000100); |
2160 | x32_cmd(CMD_WRITE8, 0x20004001, 0x02, 0); // unmask cmd |
2161 | x32_cmd(CMD_WRITE8, 0x20004001, 0x02, 1); // unmask slave |
2162 | burn10(10); |
2163 | write8(r8, 0x00); // FM=0 |
6474d733 |
2164 | expect(ok, r32[0x2c/4], 0); |
5073ab5a |
2165 | mem_barrier(); |
2166 | for (i = 0; i < 8; i++) |
2167 | expect(ok, fbl_icnt[i], 0x01000100); |
2168 | |
2169 | r16[0x04/2] = 0xffff; |
2170 | r32[0x08/4] = 0x5a5a5a08; |
2171 | r32[0x0c/4] = 0x5a5a5a0c; |
2172 | r16[0x10/2] = 0x5a10; |
2173 | r32[0x20/4] = 0x00005a20; // no x32_cmd |
2174 | r32[0x24/4] = 0x5a5a5a24; |
2175 | r32[0x28/4] = 0x5a5a5a28; |
2176 | r32[0x2c/4] = 0x5a5a5a2c; |
234c4556 |
2177 | return ok; |
2178 | } |
2179 | |
9d39a80e |
2180 | enum { |
2181 | T_MD = 0, |
2182 | T_32 = 1, // 32X |
2183 | }; |
2184 | |
ffd4b35c |
2185 | static const struct { |
9d39a80e |
2186 | u8 type; |
ffd4b35c |
2187 | int (*test)(void); |
2188 | const char *name; |
2189 | } g_tests[] = { |
5073ab5a |
2190 | // this must be first to disable the 32x and restore the 68k vector table |
2191 | { T_32, t_32x_reset_btn, "32x resetbtn" }, |
2192 | |
9d39a80e |
2193 | { T_MD, t_dma_zero_wrap, "dma zero len + wrap" }, |
2194 | { T_MD, t_dma_zero_fill, "dma zero len + fill" }, |
2195 | { T_MD, t_dma_ram_wrap, "dma ram wrap" }, |
2196 | { T_MD, t_dma_multi, "dma multi" }, |
2197 | { T_MD, t_dma_cram_wrap, "dma cram wrap" }, |
2198 | { T_MD, t_dma_vsram_wrap, "dma vsram wrap" }, |
2199 | { T_MD, t_dma_and_data, "dma and data" }, |
2200 | { T_MD, t_dma_short_cmd, "dma short cmd" }, |
2201 | { T_MD, t_dma_fill3_odd, "dma fill3 odd" }, |
2202 | { T_MD, t_dma_fill3_even, "dma fill3 even" }, |
9d39a80e |
2203 | { T_MD, t_dma_fill3_vsram, "dma fill3 vsram" }, |
9d39a80e |
2204 | { T_MD, t_dma_fill_dis, "dma fill disabled" }, |
2205 | { T_MD, t_dma_fill_src, "dma fill src incr" }, |
2206 | { T_MD, t_dma_128k, "dma 128k mode" }, |
2207 | { T_MD, t_vdp_128k_b16, "vdp 128k addr bit16" }, |
a385208c |
2208 | // { t_vdp_128k_b16_inc, "vdp 128k bit16 inc" }, // mystery |
9d39a80e |
2209 | { T_MD, t_vdp_reg_cmd, "vdp reg w cmd reset" }, |
2210 | { T_MD, t_vdp_sr_vb, "vdp status reg vb" }, |
2211 | { T_MD, t_z80mem_long_mirror, "z80 ram long mirror" }, |
2212 | { T_MD, t_z80mem_noreq_w, "z80 ram noreq write" }, |
2213 | { T_MD, t_z80mem_vdp_r, "z80 vdp read" }, |
ffd4b35c |
2214 | // { t_z80mem_vdp_w, "z80 vdp write" }, // hang |
9d39a80e |
2215 | { T_MD, t_tim_loop, "time loop" }, |
e71680d5 |
2216 | { T_MD, t_tim_z80_loop, "time z80 loop" }, |
9d39a80e |
2217 | { T_MD, t_tim_z80_ram, "time z80 ram" }, |
2218 | { T_MD, t_tim_z80_ym, "time z80 ym2612" }, |
2219 | { T_MD, t_tim_z80_vdp, "time z80 vdp" }, |
2220 | { T_MD, t_tim_z80_bank_rom, "time z80 bank rom" }, |
2221 | { T_MD, t_tim_vcnt, "time V counter" }, |
e71680d5 |
2222 | { T_MD, t_tim_vcnt_loops, "time vcnt loops" }, |
9d39a80e |
2223 | { T_MD, t_tim_hblank_h40, "time hblank h40" }, |
2224 | { T_MD, t_tim_hblank_h32, "time hblank h32" }, |
2225 | { T_MD, t_tim_vdp_as_vram_w, "time vdp vram w" }, |
2226 | { T_MD, t_tim_vdp_as_cram_w, "time vdp cram w" }, |
e71680d5 |
2227 | { T_MD, t_tim_ym_timera_z80, "time timer a z80" }, |
2228 | { T_MD, t_tim_ym_timerb_z80, "time timer b z80" }, |
2229 | { T_MD, t_tim_ym_timerb_stop, "timer b stop" }, |
2230 | { T_MD, t_tim_ym_timer_ab_sync,"timer ab sync" }, |
9d39a80e |
2231 | { T_MD, t_irq_hint, "irq4 / line" }, |
8517a6df |
2232 | { T_MD, t_irq_both_cpu_unmask, "irq both umask" }, |
9d39a80e |
2233 | { T_MD, t_irq_ack_v_h, "irq ack v-h" }, |
2234 | { T_MD, t_irq_ack_v_h_2, "irq ack v-h 2" }, |
2235 | { T_MD, t_irq_ack_h_v, "irq ack h-v" }, |
2236 | { T_MD, t_irq_ack_h_v_2, "irq ack h-v 2" }, |
2237 | { T_MD, t_irq_f_flag_h40, "irq f flag h40" }, |
9d39a80e |
2238 | { T_MD, t_irq_f_flag_h32, "irq f flag h32" }, |
2239 | |
06d7984c |
2240 | // the first one enables 32X, so must be kept |
2241 | // all tests assume RV=1 FM=0 |
9d39a80e |
2242 | { T_32, t_32x_init, "32x init" }, |
2243 | { T_32, t_32x_echo, "32x echo" }, |
5073ab5a |
2244 | { T_32, t_32x_sh_defaults, "32x sh def" }, |
06d7984c |
2245 | { T_32, t_32x_md_bios, "32x md bios" }, |
2246 | { T_32, t_32x_md_rom, "32x md rom" }, |
2247 | { T_32, t_32x_md_fb, "32x md fb" }, |
2248 | { T_32, t_32x_sh_fb, "32x sh fb" }, |
5073ab5a |
2249 | { T_32, t_32x_irq, "32x irq" }, |
2250 | { T_32, t_32x_reg_w, "32x reg w" }, |
2251 | { T_32, t_32x_reset_prep, "32x rstprep" }, // must be last 32x |
ffd4b35c |
2252 | }; |
2253 | |
2254 | static void setup_z80(void) |
2255 | { |
2256 | u8 *zram = (u8 *)0xa00000; |
2257 | int i, len; |
2258 | |
2259 | /* z80 */ |
2260 | write16(0xa11100, 0x100); |
2261 | write16(0xa11200, 0x100); |
2262 | |
2263 | while (read16(0xa11100) & 0x100) |
2264 | ; |
2265 | |
2266 | // load the default test program, clear it's data |
2267 | len = z80_test_end - z80_test; |
2268 | for (i = 0; i < len; i++) |
2269 | write8(&zram[i], z80_test[i]); |
2270 | for (i = 0x1000; i < 0x1007; i++) |
2271 | write8(&zram[i], 0); |
a385208c |
2272 | |
2273 | // reset |
2274 | write16(0xa11200, 0x000); |
2275 | write16(0xa11100, 0x000); |
2276 | burn10(1); |
2277 | write16(0xa11200, 0x100); |
e71680d5 |
2278 | |
2279 | burn10(50 * 15 / 7 / 10); // see z80_test.s80 |
a385208c |
2280 | |
2281 | // take back the bus |
2282 | write16(0xa11100, 0x100); |
2283 | while (read16(0xa11100) & 0x100) |
2284 | ; |
2285 | } |
2286 | |
2287 | static void wait_next_vsync(void) |
2288 | { |
e71680d5 |
2289 | while (read16(VDP_CTRL_PORT) & SR_VB) |
a385208c |
2290 | /* blanking */; |
e71680d5 |
2291 | while (!(read16(VDP_CTRL_PORT) & SR_VB)) |
a385208c |
2292 | /* not blanking */; |
2293 | } |
2294 | |
cc7e5122 |
2295 | static unused int hexinc(char *c) |
a385208c |
2296 | { |
2297 | (*c)++; |
2298 | if (*c > 'f') { |
2299 | *c = '0'; |
2300 | return 1; |
2301 | } |
2302 | if (*c == '9' + 1) |
2303 | *c = 'a'; |
2304 | return 0; |
ffd4b35c |
2305 | } |
2306 | |
2307 | int main() |
2308 | { |
5073ab5a |
2309 | void (*px32x_switch_rv)(short rv); |
2310 | short (*pget_input)(void) = get_input; |
ffd4b35c |
2311 | int passed = 0; |
9d39a80e |
2312 | int skipped = 0; |
2313 | int have_32x; |
234c4556 |
2314 | int en_32x; |
ffd4b35c |
2315 | int ret; |
a385208c |
2316 | u8 v8; |
ffd4b35c |
2317 | int i; |
2318 | |
2319 | setup_z80(); |
2320 | |
a385208c |
2321 | /* io */ |
2322 | write8(0xa10009, 0x40); |
2323 | |
ffd4b35c |
2324 | /* setup VDP */ |
2325 | while (read16(VDP_CTRL_PORT) & 2) |
2326 | ; |
2327 | |
2328 | VDP_setReg(VDP_MODE1, VDP_MODE1_PS); |
2329 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA); |
2330 | VDP_setReg(VDP_MODE3, 0x00); |
2331 | VDP_setReg(VDP_MODE4, 0x81); |
2332 | VDP_setReg(VDP_NT_SCROLLA, APLANE >> 10); |
2333 | VDP_setReg(VDP_NT_SCROLLB, BPLANE >> 13); |
2334 | VDP_setReg(VDP_SAT_BASE, SLIST >> 9); |
2335 | VDP_setReg(VDP_HSCROLL, HSCRL >> 10); |
2336 | VDP_setReg(VDP_AUTOINC, 2); |
2337 | VDP_setReg(VDP_SCROLLSZ, 0x01); |
2338 | VDP_setReg(VDP_BACKDROP, 0); |
2339 | |
2340 | // early tests |
2341 | t_dma_zero_wrap_early(); |
2342 | t_dma_zero_fill_early(); |
2343 | |
2344 | /* pattern 0 */ |
2345 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0)); |
2346 | for (i = 0; i < 32 / 4; i++) |
2347 | write32(VDP_DATA_PORT, 0); |
2348 | |
2349 | /* clear name tables */ |
2350 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(APLANE)); |
2351 | for (i = 0; i < PLANE_W * PLANE_H / 2; i++) |
2352 | write32(VDP_DATA_PORT, 0); |
2353 | |
2354 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(BPLANE)); |
2355 | for (i = 0; i < PLANE_W * PLANE_H / 2; i++) |
2356 | write32(VDP_DATA_PORT, 0); |
2357 | |
2358 | /* SAT, h. scroll */ |
2359 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(SLIST)); |
2360 | write32(VDP_DATA_PORT, 0); |
2361 | |
2362 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(HSCRL)); |
2363 | write32(VDP_DATA_PORT, 0); |
2364 | |
2365 | /* scroll plane vscroll */ |
2366 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0)); |
2367 | write32(VDP_DATA_PORT, 0); |
2368 | printf_ypos = 1; |
2369 | |
2370 | /* load font */ |
2371 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(TILE_FONT_BASE)); |
2372 | for (i = 0; i < FONT_LEN * 32 / 4; i++) |
2373 | write32(VDP_DATA_PORT, font_base[i]); |
2374 | |
2375 | /* set colors */ |
2376 | setup_default_palette(); |
2377 | |
2378 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
2379 | |
9d39a80e |
2380 | have_32x = read32(0xa130ec) == MKLONG('M','A','R','S'); |
5073ab5a |
2381 | en_32x = have_32x && (read16(0xa15100) & 1); |
a385208c |
2382 | v8 = read8(0xa10001); |
234c4556 |
2383 | printf("MD version: %02x %s %s %s%s\n", v8, |
a385208c |
2384 | (v8 & 0x80) ? "world" : "jap", |
9d39a80e |
2385 | (v8 & 0x40) ? "pal" : "ntsc", |
234c4556 |
2386 | have_32x ? "32X" : "", |
2387 | en_32x ? "+" : ""); |
ffd4b35c |
2388 | |
2389 | for (i = 0; i < ARRAY_SIZE(g_tests); i++) { |
2390 | // print test number if we haven't scrolled away |
2391 | if (printf_ypos < CSCREEN_H) { |
2392 | int old_ypos = printf_ypos; |
2393 | printf_ypos = 0; |
ffd4b35c |
2394 | printf("%02d/%02d", i, ARRAY_SIZE(g_tests)); |
2395 | printf_ypos = old_ypos; |
2396 | printf_xpos = 0; |
2397 | } |
9d39a80e |
2398 | if ((g_tests[i].type & T_32) && !have_32x) { |
2399 | skipped++; |
2400 | continue; |
2401 | } |
ffd4b35c |
2402 | ret = g_tests[i].test(); |
5073ab5a |
2403 | if (ret == R_SKIP) { |
2404 | skipped++; |
2405 | continue; |
2406 | } |
a385208c |
2407 | if (ret != 1) { |
2408 | text_pal = 2; |
ffd4b35c |
2409 | printf("failed %d: %s\n", i, g_tests[i].name); |
a385208c |
2410 | text_pal = 0; |
2411 | } |
ffd4b35c |
2412 | else |
2413 | passed++; |
2414 | } |
2415 | |
2416 | text_pal = 0; |
9d39a80e |
2417 | printf("%d/%d passed, %d skipped.\n", |
2418 | passed, ARRAY_SIZE(g_tests), skipped); |
ffd4b35c |
2419 | |
2420 | printf_ypos = 0; |
2421 | printf(" "); |
2422 | |
5073ab5a |
2423 | if (have_32x) { |
2424 | u8 *p = (u8 *)0xff0040; |
2425 | u32 len = x32x_switch_rv_end - x32x_switch_rv; |
2426 | px32x_switch_rv = (void *)p; p += len; |
2427 | memcpy_(px32x_switch_rv, x32x_switch_rv, len); |
2428 | |
2429 | len = get_input_end - get_input_s; |
2430 | pget_input = (void *)p; p += len; |
2431 | memcpy_(pget_input, get_input_s, len); |
2432 | |
2433 | // prepare for reset - run from 880xxx as the reset vector points there |
2434 | // todo: broken printf |
2435 | px32x_switch_rv(0); |
2436 | } |
2437 | for (i = 0; i < 60*60 && !(pget_input() & BTNM_A); i++) |
a385208c |
2438 | wait_next_vsync(); |
e71680d5 |
2439 | #ifndef PICO |
2440 | // blank due to my lame tv being burn-in prone |
2441 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD); |
2442 | #endif |
5073ab5a |
2443 | while (!(pget_input() & BTNM_A)) |
e71680d5 |
2444 | burn10(488*100/10); |
2445 | VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP); |
a385208c |
2446 | |
2447 | |
2448 | { |
2449 | char c[3] = { '0', '0', '0' }; |
2450 | short hscroll = 0, vscroll = 0; |
2451 | short hsz = 1, vsz = 0; |
2452 | short cellmode = 0; |
2453 | |
2454 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(APLANE)); |
2455 | |
cc7e5122 |
2456 | #if 0 |
2457 | for (i = 0, c[0] = 'a'; i < 8 * 1024 / 2; i++) { |
2458 | write16(VDP_DATA_PORT, (u16)c[0] - 32 + TILE_FONT_BASE / 32); |
2459 | c[0]++; |
2460 | if (c[0] == 'z' + 1) |
2461 | c[0] = 'a'; |
2462 | } |
2463 | #else |
a385208c |
2464 | for (i = 0; i < 8 * 1024 / 2 / 4; i++) { |
2465 | write16(VDP_DATA_PORT, (u16)'.' - 32 + TILE_FONT_BASE / 32); |
2466 | write16(VDP_DATA_PORT, (u16)c[2] - 32 + TILE_FONT_BASE / 32); |
2467 | write16(VDP_DATA_PORT, (u16)c[1] - 32 + TILE_FONT_BASE / 32); |
2468 | write16(VDP_DATA_PORT, (u16)c[0] - 32 + TILE_FONT_BASE / 32); |
2469 | if (hexinc(&c[0])) |
2470 | if (hexinc(&c[1])) |
2471 | hexinc(&c[2]); |
2472 | } |
cc7e5122 |
2473 | #endif |
5073ab5a |
2474 | while (pget_input() & BTNM_A) |
a385208c |
2475 | wait_next_vsync(); |
2476 | |
2477 | wait_next_vsync(); |
2478 | for (;;) { |
5073ab5a |
2479 | int b = pget_input(); |
a385208c |
2480 | |
2481 | if (b & BTNM_C) { |
2482 | hscroll = 1, vscroll = -1; |
2483 | do { |
2484 | wait_next_vsync(); |
5073ab5a |
2485 | } while (pget_input() & BTNM_C); |
a385208c |
2486 | cellmode ^= 1; |
2487 | } |
2488 | if (b & (BTNM_L | BTNM_R | BTNM_C)) { |
2489 | hscroll += (b & BTNM_L) ? 1 : -1; |
2490 | write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(HSCRL)); |
2491 | write16(VDP_DATA_PORT, hscroll); |
2492 | } |
2493 | if (b & (BTNM_U | BTNM_D | BTNM_C)) { |
2494 | vscroll += (b & BTNM_U) ? -1 : 1; |
2495 | write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0)); |
2496 | if (cellmode) { |
2497 | int end = (int)vscroll + 21; |
2498 | for (i = vscroll; i < end; i++) |
2499 | write32(VDP_DATA_PORT, i << 17); |
2500 | VDP_setReg(VDP_MODE3, 0x04); |
2501 | } |
2502 | else { |
2503 | write16(VDP_DATA_PORT, vscroll); |
2504 | VDP_setReg(VDP_MODE3, 0x00); |
2505 | } |
2506 | } |
2507 | if (b & BTNM_A) { |
2508 | hsz = (hsz + 1) & 3; |
2509 | do { |
2510 | wait_next_vsync(); |
5073ab5a |
2511 | } while (pget_input() & BTNM_A); |
a385208c |
2512 | } |
2513 | if (b & BTNM_B) { |
2514 | vsz = (vsz + 1) & 3; |
2515 | do { |
2516 | wait_next_vsync(); |
5073ab5a |
2517 | } while (pget_input() & BTNM_B); |
a385208c |
2518 | } |
2519 | VDP_setReg(VDP_SCROLLSZ, (vsz << 4) | hsz); |
2520 | |
2521 | printf_xpos = 1; |
2522 | printf_ypos = 0; |
2523 | text_pal = 1; |
2524 | printf(" %d %d ", hsz, vsz); |
2525 | |
2526 | wait_next_vsync(); |
2527 | } |
2528 | } |
2529 | |
ffd4b35c |
2530 | for (;;) |
2531 | ; |
2532 | |
2533 | return 0; |
2534 | } |
2535 | |
2536 | // vim:ts=4:sw=4:expandtab |