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[megadrive.git] / testpico / main.c
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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"
9
10#define VDP_DATA_PORT 0xC00000
11#define VDP_CTRL_PORT 0xC00004
a385208c 12#define VDP_HV_COUNTER 0xC00008
ffd4b35c 13
14#define TILE_MEM_END 0xB000
15
16#define FONT_LEN 128
a385208c 17#define TILE_FONT_BASE (TILE_MEM_END - FONT_LEN * 32)
ffd4b35c 18
19/* note: using ED menu's layout here.. */
20#define WPLANE (TILE_MEM_END + 0x0000)
21#define HSCRL (TILE_MEM_END + 0x0800)
22#define SLIST (TILE_MEM_END + 0x0C00)
23#define APLANE (TILE_MEM_END + 0x1000)
24#define BPLANE (TILE_MEM_END + 0x3000)
25
ffd4b35c 26#define write16_z80le(a, d) \
27 ((volatile u8 *)(a))[0] = (u8)(d), \
28 ((volatile u8 *)(a))[1] = ((d) >> 8)
29
30static inline u16 read16_z80le(const void *a_)
31{
32 volatile const u8 *a = (volatile const u8 *)a_;
33 return a[0] | ((u16)a[1] << 8);
34}
35
36#define CTL_WRITE_VRAM(adr) \
37 (((0x4000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x00)
38#define CTL_WRITE_VSRAM(adr) \
39 (((0x4000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x10)
40#define CTL_WRITE_CRAM(adr) \
41 (((0xC000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x00)
42#define CTL_READ_VRAM(adr) \
43 (((0x0000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x00)
44#define CTL_READ_VSRAM(adr) \
45 (((0x0000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x10)
46#define CTL_READ_CRAM(adr) \
47 (((0x0000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x20)
48
49#define CTL_WRITE_DMA 0x80
50
51#define VDP_setReg(r, v) \
52 write16(VDP_CTRL_PORT, 0x8000 | ((r) << 8) | ((v) & 0xff))
53
54enum {
55 VDP_MODE1 = 0x00,
56 VDP_MODE2 = 0x01,
57 VDP_NT_SCROLLA = 0x02,
58 VDP_NT_WIN = 0x03,
59 VDP_NT_SCROLLB = 0x04,
60 VDP_SAT_BASE = 0x05,
61 VDP_BACKDROP = 0x07,
62 VDP_MODE3 = 0x0b,
63 VDP_MODE4 = 0x0c,
64 VDP_HSCROLL = 0x0d,
65 VDP_AUTOINC = 0x0f,
66 VDP_SCROLLSZ = 0x10,
67 VDP_DMA_LEN0 = 0x13,
68 VDP_DMA_LEN1 = 0x14,
69 VDP_DMA_SRC0 = 0x15,
70 VDP_DMA_SRC1 = 0x16,
71 VDP_DMA_SRC2 = 0x17,
72};
73
74#define VDP_MODE1_PS 0x04
75#define VDP_MODE1_IE1 0x10 // h int
76#define VDP_MODE2_MD 0x04
77#define VDP_MODE2_PAL 0x08 // 30 col
78#define VDP_MODE2_DMA 0x10
79#define VDP_MODE2_IE0 0x20 // v int
80#define VDP_MODE2_DISP 0x40
a385208c 81#define VDP_MODE2_128K 0x80
82
83#define SR_PAL (1 << 0)
84#define SR_DMA (1 << 1)
85#define SR_HB (1 << 2)
86#define SR_VB (1 << 3)
87#define SR_ODD (1 << 4)
88#define SR_C (1 << 5)
89#define SR_SOVR (1 << 6)
90#define SR_F (1 << 7)
91#define SR_FULL (1 << 8)
92#define SR_EMPT (1 << 9)
ffd4b35c 93
94/* cell counts */
95#define LEFT_BORDER 1 /* lame TV */
96#define PLANE_W 64
97#define PLANE_H 32
98#define CSCREEN_H 28
99
100/* data.s */
101extern const u32 font_base[];
102extern const u8 z80_test[];
103extern const u8 z80_test_end[];
104
105static int text_pal;
106
107static noinline void VDP_drawTextML(const char *str, u16 plane_base,
108 u16 x, u16 y)
109{
110 const u8 *src = (const u8 *)str;
111 u16 basetile = text_pal << 13;
112 int max_len = 40 - LEFT_BORDER;
113 int len;
114 u32 addr;
115
116 x += LEFT_BORDER;
117
118 for (len = 0; str[len] && len < max_len; len++)
119 ;
120 if (len > (PLANE_W - x))
121 len = PLANE_W - x;
122
123 addr = plane_base + ((x + (PLANE_W * y)) << 1);
124 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(addr));
125
126 while (len-- > 0) {
127 write16(VDP_DATA_PORT,
128 basetile | ((*src++) - 32 + TILE_FONT_BASE / 32));
129 }
130}
131
132static int printf_ypos;
133
134static void printf_line(int x, const char *buf)
135{
136 u32 addr;
137 int i;
138
139 VDP_drawTextML(buf, APLANE, x, printf_ypos++ & (PLANE_H - 1));
140
141 if (printf_ypos >= CSCREEN_H) {
142 /* clear next line */
143 addr = APLANE;
144 addr += (PLANE_W * (printf_ypos & (PLANE_H - 1))) << 1;
145 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(addr));
146 for (i = 0; i < 40 / 2; i++)
147 write32(VDP_DATA_PORT, 0);
148
149 /* scroll plane */
150 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0));
151 write16(VDP_DATA_PORT, (printf_ypos - CSCREEN_H + 1) * 8);
152 }
153}
154
155#define PRINTF_LEN 40
156
157static int printf_xpos;
158
159static noinline int printf(const char *fmt, ...)
160{
161 static const char hexchars[] = "0123456789abcdef";
162 char c, buf[PRINTF_LEN + 11 + 1];
163 const char *s;
164 va_list ap;
165 int ival;
166 u32 uval;
167 int d = 0;
168 int i, j;
169
170 va_start(ap, fmt);
171 for (d = 0; *fmt; ) {
172 int prefix0 = 0;
173 int fwidth = 0;
174
175 c = *fmt++;
176 if (d < PRINTF_LEN)
177 buf[d] = c;
178
179 if (c != '%') {
180 if (c == '\n') {
181 buf[d] = 0;
182 printf_line(printf_xpos, buf);
183 d = 0;
184 printf_xpos = 0;
185 continue;
186 }
187 d++;
188 continue;
189 }
190 if (d >= PRINTF_LEN)
191 continue;
192
193 if (*fmt == '0') {
194 prefix0 = 1;
195 fmt++;
196 }
197
198 while ('1' <= *fmt && *fmt <= '9') {
199 fwidth = fwidth * 10 + *fmt - '0';
200 fmt++;
201 }
202
203 switch (*fmt++) {
204 case '%':
205 d++;
206 break;
207 case 'd':
208 case 'i':
209 ival = va_arg(ap, int);
210 if (ival < 0) {
211 buf[d++] = '-';
212 ival = -ival;
213 }
214 for (i = 1000000000; i >= 10; i /= 10)
215 if (ival >= i)
216 break;
217 for (; i >= 10; i /= 10) {
218 buf[d++] = '0' + ival / i;
219 ival %= i;
220 }
221 buf[d++] = '0' + ival;
222 break;
223 case 'x':
224 uval = va_arg(ap, int);
225 while (fwidth > 1 && uval < (1 << (fwidth - 1) * 4)) {
226 buf[d++] = prefix0 ? '0' : ' ';
227 fwidth--;
228 }
229 for (j = 1; j < 8 && uval >= (1 << j * 4); j++)
230 ;
231 for (j--; j >= 0; j--)
232 buf[d++] = hexchars[(uval >> j * 4) & 0x0f];
233 break;
234 case 's':
235 s = va_arg(ap, char *);
236 while (*s && d < PRINTF_LEN)
237 buf[d++] = *s++;
238 break;
239 default:
240 // don't handle, for now
241 d++;
242 va_arg(ap, void *);
243 break;
244 }
245 }
246 buf[d] = 0;
247 va_end(ap);
248
249 if (d != 0) {
250 // line without \n
251 VDP_drawTextML(buf, APLANE, printf_xpos,
252 printf_ypos & (PLANE_H - 1));
253 printf_xpos += d;
254 }
255
256 return d; // wrong..
257}
258
259static const char *exc_names[] = {
260 NULL,
261 NULL,
262 "Bus Error",
263 "Address Error",
264 "Illegal Instruction",
265 "Zero Divide",
266 "CHK Instruction",
267 "TRAPV Instruction",
268 "Privilege Violation", /* 8 8 */
269 "Trace",
270 "Line 1010 Emulator",
271 "Line 1111 Emulator",
272 NULL,
273 NULL,
274 NULL,
275 "Uninitialized Interrupt",
276 NULL, /* 10 16 */
277 NULL,
278 NULL,
279 NULL,
280 NULL,
281 NULL,
282 NULL,
283 NULL,
284 "Spurious Interrupt", /* 18 24 */
285 "l1 irq",
286 "l2 irq",
287 "l3 irq",
288 "l4 irq",
289 "l5 irq",
290 "l6 irq",
291 "l7 irq",
292};
293
294struct exc_frame {
295 u32 dr[8];
296 u32 ar[8];
297 u16 ecxnum; // from handler
298 union {
299 struct {
300 u16 sr;
301 u32 pc;
302 } g _packed;
303 struct {
304 u16 fc;
305 u32 addr;
306 u16 ir;
307 u16 sr;
308 u32 pc;
309 } bae _packed; // bus/address error frame
310 };
311} _packed;
312
ffd4b35c 313void exception(const struct exc_frame *f)
314{
315 int i;
316
317 while (read16(VDP_CTRL_PORT) & 2)
318 ;
319 VDP_setReg(VDP_MODE1, VDP_MODE1_PS);
320 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DISP);
321 /* adjust scroll */
322 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0));
323 write16(VDP_DATA_PORT,
324 printf_ypos >= CSCREEN_H ?
325 (printf_ypos - CSCREEN_H + 1) * 8 : 0);
326
327 printf("exception %i ", f->ecxnum);
328 if (f->ecxnum < ARRAY_SIZE(exc_names) && exc_names[f->ecxnum] != NULL)
329 printf("(%s)", exc_names[f->ecxnum]);
330 if (f->ecxnum < 4)
331 printf(" (%s)", (f->bae.fc & 0x10) ? "r" : "w");
332 printf(" \n");
333
334 if (f->ecxnum < 4) {
335 printf(" PC: %08x SR: %04x \n", f->bae.pc, f->bae.sr);
336 printf("addr: %08x IR: %04x FC: %02x \n",
337 f->bae.addr, f->bae.ir, f->bae.fc);
338 }
339 else {
340 printf(" PC: %08x SR: %04x \n", f->g.pc, f->g.sr);
341 }
342 for (i = 0; i < 8; i++)
343 printf(" D%d: %08x A%d: %08x \n", i, f->dr[i], i, f->ar[i]);
344 printf(" \n");
345}
346
347// ---
348
349static void setup_default_palette(void)
350{
351 write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(0));
352 write32(VDP_DATA_PORT, 0);
353 write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(15 * 2)); // font normal
354 write16(VDP_DATA_PORT, 0xeee);
355 write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(31 * 2)); // green
356 write16(VDP_DATA_PORT, 0x0e0);
357 write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(47 * 2)); // red
358 write16(VDP_DATA_PORT, 0x00e);
359}
360
361static void do_setup_dma(const void *src_, u16 words)
362{
363 u32 src = (u32)src_;
364 // VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA);
365 VDP_setReg(VDP_DMA_LEN0, words);
366 VDP_setReg(VDP_DMA_LEN1, words >> 8);
367 VDP_setReg(VDP_DMA_SRC0, src >> 1);
368 VDP_setReg(VDP_DMA_SRC1, src >> 9);
369 VDP_setReg(VDP_DMA_SRC2, src >> 17);
370 // write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(addr) | CTL_WRITE_DMA);
371}
372
a385208c 373static void vdp_wait_for_fifo_empty(void)
374{
375 while (!(read16(VDP_CTRL_PORT) & 0x200))
376 /* fifo not empty */;
377}
378
379static void vdp_wait_for_dma_idle(void)
380{
381 while (read16(VDP_CTRL_PORT) & 2)
382 /* dma busy */;
383}
384
385static void vdp_wait_for_line_0(void)
386{
387 // in PAL vcounter reports 0 twice in a frame,
388 // so wait for vblank to clear first
389 while (!(read16(VDP_CTRL_PORT) & 8))
390 /* not blanking */;
391 while (read16(VDP_CTRL_PORT) & 8)
392 /* blanking */;
393 while (read8(VDP_HV_COUNTER) != 0)
394 ;
395}
396
ffd4b35c 397static void t_dma_zero_wrap_early(void)
398{
399 const u32 *src = (const u32 *)0x3c0000;
400 u32 *ram = (u32 *)0xff0000;
401
402 do_setup_dma(src + 4, 2);
403 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0) | CTL_WRITE_DMA);
404 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0) | CTL_WRITE_DMA);
405
406 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0));
407 ram[0] = read32(VDP_DATA_PORT);
408 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0xfffc));
409 ram[1] = read32(VDP_DATA_PORT);
410}
411
412static void t_dma_zero_fill_early(void)
413{
414 u32 *ram = (u32 *)0xff0000;
415
416 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0));
417 write32(VDP_DATA_PORT, 0);
418 write32(VDP_DATA_PORT, 0);
419 write32(VDP_DATA_PORT, 0);
420 write32(VDP_DATA_PORT, 0);
421
422 VDP_setReg(VDP_AUTOINC, 1);
423 VDP_setReg(VDP_DMA_SRC2, 0x80);
424 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(1) | CTL_WRITE_DMA);
425 write16(VDP_DATA_PORT, 0x1122);
426 ram[2] = read16(VDP_CTRL_PORT);
a385208c 427 vdp_wait_for_dma_idle();
ffd4b35c 428
429 VDP_setReg(VDP_AUTOINC, 2);
430 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0));
431 ram[3] = read32(VDP_DATA_PORT);
432}
433
434#define expect(ok_, v0_, v1_) \
435if ((v0_) != (v1_)) { \
436 printf("%s: %08x %08x\n", #v0_, v0_, v1_); \
437 ok_ = 0; \
438}
439
a385208c 440#define expect_range(ok_, v0_, vmin_, vmax_) \
441if ((v0_) < (vmin_) || (v0_) > (vmax_)) { \
442 printf("%s: %02x /%02x-%02x\n", #v0_, v0_, vmin_, vmax_); \
443 ok_ = 0; \
444}
445
446#define expect_bits(ok_, v0_, val_, mask_) \
447if (((v0_) & (mask_)) != (val_)) { \
448 printf("%s: %04x & %04x != %04x\n", #v0_, v0_, mask_, val_); \
449 ok_ = 0; \
450}
451
ffd4b35c 452static int t_dma_zero_wrap(void)
453{
454 const u32 *src = (const u32 *)0x3c0000;
455 const u32 *ram = (const u32 *)0xff0000;
456 int ok = 1;
457
458 expect(ok, ram[0], src[5 + 0x10000/4]);
459 expect(ok, ram[1], src[4]);
460 return ok;
461}
462
463static int t_dma_zero_fill(void)
464{
465 const u32 *ram = (const u32 *)0xff0000;
466 u32 v0 = ram[2] & 2;
467 int ok = 1;
468
469 expect(ok, v0, 2);
470 expect(ok, ram[3], 0x11111111);
471 return ok;
472}
473
474static int t_dma_ram_wrap(void)
475{
476 u32 *ram = (u32 *)0xff0000;
477 u32 saved, v0, v1;
478 int ok = 1;
479
480 saved = read32(&ram[0x10000/4 - 1]);
481 ram[0x10000/4 - 1] = 0x01020304;
482 ram[0] = 0x05060708;
483 do_setup_dma(&ram[0x10000/4 - 1], 4);
484 mem_barrier();
485 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA);
486
487 mem_barrier();
488 write32(&ram[0x10000/4 - 1], saved);
489
490 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
491 v0 = read32(VDP_DATA_PORT);
492 v1 = read32(VDP_DATA_PORT);
493
494 expect(ok, v0, 0x01020304);
495 expect(ok, v1, 0x05060708);
496 return ok;
497}
498
499// test no src reprogram, only len0
500static int t_dma_multi(void)
501{
502 const u32 *src = (const u32 *)0x3c0000;
503 u32 v0, v1;
504 int ok = 1;
505
506 do_setup_dma(src, 2);
507 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA);
508 VDP_setReg(VDP_DMA_LEN0, 2);
509 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x104) | CTL_WRITE_DMA);
510
511 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
512 v0 = read32(VDP_DATA_PORT);
513 v1 = read32(VDP_DATA_PORT);
514
515 expect(ok, v0, src[0]);
516 expect(ok, v1, src[1]);
517 return ok;
518}
519
520static int t_dma_cram_wrap(void)
521{
522 u32 *ram = (u32 *)0xff0000;
523 u32 v0, v1;
524 int ok = 1;
525
526 write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(0));
527 write32(VDP_DATA_PORT, 0);
528
529 ram[0] = 0x0ec20ec4;
530 ram[1] = 0x0ec60ec8;
531 mem_barrier();
532 do_setup_dma(ram, 4);
533 write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(0x7c | 0xff81) | CTL_WRITE_DMA);
534
535 write32(VDP_CTRL_PORT, CTL_READ_CRAM(0x7c));
536 v0 = read32(VDP_DATA_PORT) & 0x0eee0eee;
537 write32(VDP_CTRL_PORT, CTL_READ_CRAM(0));
538 v1 = read32(VDP_DATA_PORT) & 0x0eee0eee;
539
540 setup_default_palette();
541
542 expect(ok, v0, ram[0]);
543 expect(ok, v1, ram[1]);
544 return ok;
545}
546
547static int t_dma_vsram_wrap(void)
548{
549 u32 *ram32 = (u32 *)0xff0000;
550 u16 *ram16 = (u16 *)0xff0000;
551 u32 v0, v1;
552 int ok = 1;
553 int i;
554
555 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0));
556 write32(VDP_DATA_PORT, 0);
557
558 for (i = 0; i < 0x48/2; i++)
559 ram16[i] = i + 1;
560 mem_barrier();
561 do_setup_dma(ram16, 0x48/2);
562 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0x3c | 0xff81) | CTL_WRITE_DMA);
563
564 write32(VDP_CTRL_PORT, CTL_READ_VSRAM(0x3c));
565 v0 = read32(VDP_DATA_PORT) & 0x03ff03ff;
566 write32(VDP_CTRL_PORT, CTL_READ_VSRAM(0));
567 v1 = read32(VDP_DATA_PORT) & 0x03ff03ff;
568
569 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0));
570 write32(VDP_DATA_PORT, 0);
571
572 expect(ok, v0, ram32[0]);
573 expect(ok, v1, ram32[0x48/4 - 1]);
574 return ok;
575}
576
577static int t_dma_and_data(void)
578{
579 const u32 *src = (const u32 *)0x3c0000;
a385208c 580 u32 v0, v1;
ffd4b35c 581 int ok = 1;
582
583 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
584 write32(VDP_DATA_PORT, 0);
585
586 do_setup_dma(src, 2);
587 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0xfc) | CTL_WRITE_DMA);
588 write32(VDP_DATA_PORT, 0x5ec8a248);
589
a385208c 590 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0xfc));
ffd4b35c 591 v0 = read32(VDP_DATA_PORT);
a385208c 592 v1 = read32(VDP_DATA_PORT);
ffd4b35c 593
a385208c 594 expect(ok, v0, src[0]);
595 expect(ok, v1, 0x5ec8a248);
596 return ok;
597}
598
599static int t_dma_short_cmd(void)
600{
601 const u32 *src = (const u32 *)0x3c0000;
602 u32 v0, v1, v2;
603 int ok = 1;
604
605 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x3ff4));
606 write32(VDP_DATA_PORT, 0x10111213);
607 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0xfff0));
608 write32(VDP_DATA_PORT, 0x20212223);
609 write32(VDP_DATA_PORT, 0x30313233);
cc7e5122 610 vdp_wait_for_fifo_empty();
a385208c 611
612 do_setup_dma(src, 2);
613 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0xfff0) | CTL_WRITE_DMA);
614 write16(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x3ff4) >> 16);
615 write32(VDP_DATA_PORT, 0x40414243);
616
617 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x3ff4));
618 v0 = read32(VDP_DATA_PORT);
619 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0xfff0));
620 v1 = read32(VDP_DATA_PORT);
621 v2 = read32(VDP_DATA_PORT);
622
623 expect(ok, v0, 0x10111213);
624 expect(ok, v1, src[0]);
625 expect(ok, v2, 0x40414243);
ffd4b35c 626 return ok;
627}
628
629static int t_dma_fill3_odd(void)
630{
631 u32 v0, v1, v2;
632 int ok = 1;
633
634 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
635 write32(VDP_DATA_PORT, 0);
636 write32(VDP_DATA_PORT, 0);
637 write32(VDP_DATA_PORT, 0);
cc7e5122 638 vdp_wait_for_fifo_empty();
ffd4b35c 639
640 VDP_setReg(VDP_AUTOINC, 3);
641 VDP_setReg(VDP_DMA_LEN0, 3);
642 VDP_setReg(VDP_DMA_SRC2, 0x80);
643 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x101) | CTL_WRITE_DMA);
644 write16(VDP_DATA_PORT, 0x1122);
a385208c 645 vdp_wait_for_dma_idle();
ffd4b35c 646
647 VDP_setReg(VDP_AUTOINC, 2);
648 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
649 v0 = read32(VDP_DATA_PORT);
650 v1 = read32(VDP_DATA_PORT);
651 v2 = read32(VDP_DATA_PORT);
652
653 expect(ok, v0, 0x22110000);
654 expect(ok, v1, 0x00111100);
655 expect(ok, v2, 0x00000011);
656 return ok;
657}
658
659static int t_dma_fill3_even(void)
660{
661 u32 v0, v1, v2;
662 int ok = 1;
663
664 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
665 write32(VDP_DATA_PORT, 0);
666 write32(VDP_DATA_PORT, 0);
667 write32(VDP_DATA_PORT, 0);
cc7e5122 668 vdp_wait_for_fifo_empty();
ffd4b35c 669
670 VDP_setReg(VDP_AUTOINC, 3);
671 VDP_setReg(VDP_DMA_LEN0, 3);
672 VDP_setReg(VDP_DMA_SRC2, 0x80);
673 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA);
674 write16(VDP_DATA_PORT, 0x1122);
a385208c 675 vdp_wait_for_dma_idle();
ffd4b35c 676
677 VDP_setReg(VDP_AUTOINC, 2);
678 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
679 v0 = read32(VDP_DATA_PORT);
680 v1 = read32(VDP_DATA_PORT);
681 v2 = read32(VDP_DATA_PORT);
682
683 expect(ok, v0, 0x11221100);
684 expect(ok, v1, 0x00000011);
685 expect(ok, v2, 0x11000000);
686 return ok;
687}
688
689static unused int t_dma_fill3_vsram(void)
690{
691 u32 v0, v1, v2;
692 int ok = 1;
693
694 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0));
695 write32(VDP_DATA_PORT, 0);
696 write32(VDP_DATA_PORT, 0);
697 write32(VDP_DATA_PORT, 0);
698
699 write16(VDP_DATA_PORT, 0x0111);
700 write16(VDP_DATA_PORT, 0x0222);
701 write16(VDP_DATA_PORT, 0x0333);
a385208c 702 vdp_wait_for_fifo_empty();
ffd4b35c 703
704 VDP_setReg(VDP_AUTOINC, 3);
705 VDP_setReg(VDP_DMA_LEN0, 3);
706 VDP_setReg(VDP_DMA_SRC2, 0x80);
707 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(1) | CTL_WRITE_DMA);
708 write16(VDP_DATA_PORT, 0x0102);
a385208c 709 vdp_wait_for_dma_idle();
ffd4b35c 710
711 VDP_setReg(VDP_AUTOINC, 2);
712 write32(VDP_CTRL_PORT, CTL_READ_VSRAM(0));
713 v0 = read32(VDP_DATA_PORT);
714 v1 = read32(VDP_DATA_PORT);
715 v2 = read32(VDP_DATA_PORT);
716
717 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0));
718 write32(VDP_DATA_PORT, 0);
719
720 expect(ok, v0, 0x01020000);
721 expect(ok, v1, 0x01110111);
722 expect(ok, v2, 0x00000111);
723 return ok;
724}
725
726static int t_dma_fill_dis(void)
727{
728 u32 v0, v1;
729 int ok = 1;
730
731 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
732 write32(VDP_DATA_PORT, 0);
733 write32(VDP_DATA_PORT, 0);
734
735 VDP_setReg(VDP_DMA_LEN0, 1);
736 VDP_setReg(VDP_DMA_SRC2, 0x80);
737 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA);
738 VDP_setReg(VDP_MODE2, VDP_MODE2_MD);
739 write16(VDP_DATA_PORT, 0x1122);
a385208c 740 vdp_wait_for_dma_idle();
ffd4b35c 741
742 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
743 write16(VDP_DATA_PORT, 0x3344);
a385208c 744 vdp_wait_for_dma_idle();
ffd4b35c 745
746 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
747 v0 = read32(VDP_DATA_PORT);
748 v1 = read32(VDP_DATA_PORT);
749
750 expect(ok, v0, 0);
751 expect(ok, v1, 0);
752 return ok;
753}
754
755static int t_dma_fill_src(void)
756{
757 const u32 *src = (const u32 *)0x3c0000;
758 u32 v0, v1;
759 int ok = 1;
760
761 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
762 write32(VDP_DATA_PORT, 0);
763
764 // do_setup_dma(src, 2); // hang, can't write src2 twice
765 VDP_setReg(VDP_DMA_LEN0, 2);
766 VDP_setReg(VDP_DMA_SRC0, (u32)src >> 1);
767 VDP_setReg(VDP_DMA_SRC1, (u32)src >> 9);
768 VDP_setReg(VDP_DMA_SRC2, 0x80);
769 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA);
770 write16(VDP_DATA_PORT, 0x1122);
a385208c 771 vdp_wait_for_dma_idle();
ffd4b35c 772
773 VDP_setReg(VDP_DMA_LEN0, 2);
774 VDP_setReg(VDP_DMA_SRC2, (u32)src >> 17);
775 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x104) | CTL_WRITE_DMA);
776
777 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
778 v0 = read32(VDP_DATA_PORT);
779 v1 = read32(VDP_DATA_PORT);
780
781 expect(ok, v0, 0x11220011);
782 expect(ok, v1, src[1]);
783 return ok;
784}
785
a385208c 786// (((a & 2) >> 1) ^ 1) | ((a & $400) >> 9) | (a & $3FC) | ((a & $1F800) >> 1)
787static int t_dma_128k(void)
788{
789 u16 *ram = (u16 *)0xff0000;
790 u32 v0, v1;
791 int ok = 1;
792
793 ram[0] = 0x5a11;
794 ram[1] = 0x5a22;
795 ram[2] = 0x5a33;
796
797 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
798 write32(VDP_DATA_PORT, 0x01020304);
799 write32(VDP_DATA_PORT, 0x05060708);
800 vdp_wait_for_fifo_empty();
801
802 mem_barrier();
803 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_128K);
804 do_setup_dma(ram, 3);
805 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) | CTL_WRITE_DMA);
806 vdp_wait_for_fifo_empty();
807
808 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
809 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
810 v0 = read32(VDP_DATA_PORT);
811 v1 = read32(VDP_DATA_PORT);
812
813 expect(ok, v0, 0x22110304);
814 expect(ok, v1, 0x05330708);
815 return ok;
816}
817
818static int t_vdp_128k_b16(void)
819{
820 u32 v0, v1;
821 int ok = 1;
822
823 VDP_setReg(VDP_AUTOINC, 0);
824 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x8100));
825 write32(VDP_DATA_PORT, 0x01020304);
826 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x10100));
827 write32(VDP_DATA_PORT, 0x05060708);
828 vdp_wait_for_fifo_empty();
829
830 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_128K);
831 write16(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100) >> 16); // note: upper cmd
832 write32(VDP_DATA_PORT, 0x11223344);
833 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x10102));
834 write32(VDP_DATA_PORT, 0x55667788);
835 vdp_wait_for_fifo_empty();
836
837 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
838 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x8100));
839 v0 = read16(VDP_DATA_PORT);
840 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x0100));
841 v1 = read16(VDP_DATA_PORT);
842
843 VDP_setReg(VDP_AUTOINC, 2);
844
845 expect(ok, v0, 0x8844);
846 expect(ok, v1, 0x0708);
847 return ok;
848}
849
850static unused int t_vdp_128k_b16_inc(void)
851{
852 u32 v0, v1;
853 int ok = 1;
854
855 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0));
856 write32(VDP_DATA_PORT, 0x01020304);
857 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x8000));
858 write32(VDP_DATA_PORT, 0x05060708);
859 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0xfffe));
860 write32(VDP_DATA_PORT, 0x090a0b0c);
861 vdp_wait_for_fifo_empty();
862
863 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_128K);
864 write16(VDP_CTRL_PORT, CTL_WRITE_VRAM(0) >> 16); // note: upper cmd
865 write16(VDP_DATA_PORT, 0x1122);
866 vdp_wait_for_fifo_empty();
867
868 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
869 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0));
870 v0 = read32(VDP_DATA_PORT);
871 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x8000));
872 v1 = read32(VDP_DATA_PORT);
873 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0));
874 write32(VDP_DATA_PORT, 0);
875 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x8000));
876 write32(VDP_DATA_PORT, 0);
877
878 expect(ok, v0, 0x0b0c0304); // XXX: no 22 anywhere?
879 expect(ok, v1, 0x05060708);
880 return ok;
881}
882
883static int t_vdp_reg_cmd(void)
884{
885 u32 v0;
886 int ok = 1;
887
888 VDP_setReg(VDP_AUTOINC, 0);
889 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
890 write32(VDP_DATA_PORT, 0x01020304);
891 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
892 write32(VDP_DATA_PORT, 0x05060708);
893
894 VDP_setReg(VDP_AUTOINC, 2);
895 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x0100));
896 v0 = read16(VDP_DATA_PORT);
897
898 expect(ok, v0, 0x0304);
899 return ok;
900}
901
cc7e5122 902static int t_vdp_sr_vb(void)
903{
904 u16 sr[4];
905 int ok = 1;
906
907 while (read8(VDP_HV_COUNTER) != 242)
908 ;
909 sr[0] = read16(VDP_CTRL_PORT);
910 VDP_setReg(VDP_MODE2, VDP_MODE2_MD);
911 sr[1] = read16(VDP_CTRL_PORT);
912 while (read8(VDP_HV_COUNTER) != 4)
913 ;
914 sr[2] = read16(VDP_CTRL_PORT);
915 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
916 sr[3] = read16(VDP_CTRL_PORT);
917
918 expect_bits(ok, sr[0], SR_VB, SR_VB);
919 expect_bits(ok, sr[1], SR_VB, SR_VB);
920 expect_bits(ok, sr[2], SR_VB, SR_VB);
921 expect_bits(ok, sr[3], 0, SR_VB);
922 return ok;
923}
924
ffd4b35c 925/* z80 tests assume busreq state */
926static int t_z80mem_long_mirror(void)
927{
928 u8 *zram = (u8 *)0xa00000;
929 int ok = 1;
930
931 write8(&zram[0x1100], 0x11);
932 write8(&zram[0x1101], 0x22);
933 write8(&zram[0x1102], 0x33);
934 write8(&zram[0x1103], 0x44);
935 mem_barrier();
936 write32(&zram[0x3100], 0x55667788);
937 mem_barrier();
938
939 expect(ok, zram[0x1100], 0x55);
940 expect(ok, zram[0x1101], 0x22);
941 expect(ok, zram[0x1102], 0x77);
942 expect(ok, zram[0x1103], 0x44);
943 return ok;
944}
945
a385208c 946static int t_z80mem_noreq_w(void)
947{
948 u8 *zram = (u8 *)0xa00000;
949 int ok = 1;
950
951 write8(&zram[0x1100], 0x11);
952 mem_barrier();
953 write16(0xa11100, 0x000);
954 write8(&zram[0x1100], 0x22);
955 mem_barrier();
956
957 write16(0xa11100, 0x100);
958 while (read16(0xa11100) & 0x100)
959 ;
960
961 expect(ok, zram[0x1100], 0x11);
962 return ok;
963}
964
965#define Z80_CP_CYCLES(b) (118 + ((b) - 1) * 21 + 26 + 17)
966
ffd4b35c 967static int t_z80mem_vdp_r(void)
968{
969 u8 *zram = (u8 *)0xa00000;
970 int ok = 1;
971
972 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
973 write32(VDP_DATA_PORT, 0x11223344);
974 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
975
976 zram[0x1000] = 1; // cp
ffd4b35c 977 write16_z80le(&zram[0x1002], 0x7f00); // src
a385208c 978 write16_z80le(&zram[0x1004], 0x1100); // dst
979 write16_z80le(&zram[0x1006], 2); // len
980 zram[0x1100] = zram[0x1101] = zram[0x1102] = 0x5a;
ffd4b35c 981 mem_barrier();
982 write16(0xa11100, 0x000);
a385208c 983 burn10(Z80_CP_CYCLES(2) * 15 / 7 * 2 / 10);
ffd4b35c 984
985 write16(0xa11100, 0x100);
986 while (read16(0xa11100) & 0x100)
987 ;
988
989 expect(ok, zram[0x1000], 0);
a385208c 990 expect(ok, zram[0x1100], 0x11);
991 expect(ok, zram[0x1101], 0x44);
992 expect(ok, zram[0x1102], 0x5a);
ffd4b35c 993 return ok;
994}
995
996static unused int t_z80mem_vdp_w(void)
997{
998 u8 *zram = (u8 *)0xa00000;
999 u32 v0;
1000 int ok = 1;
1001
1002 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
1003 write32(VDP_DATA_PORT, 0x11223344);
1004 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
a385208c 1005 vdp_wait_for_fifo_empty();
ffd4b35c 1006
1007 zram[0x1000] = 1; // cp
a385208c 1008 write16_z80le(&zram[0x1002], 0x1100); // src
ffd4b35c 1009 write16_z80le(&zram[0x1004], 0x7f00); // dst
a385208c 1010 write16_z80le(&zram[0x1006], 2); // len
1011 zram[0x1100] = 0x55;
1012 zram[0x1101] = 0x66;
ffd4b35c 1013 mem_barrier();
1014 write16(0xa11100, 0x000);
a385208c 1015 burn10(Z80_CP_CYCLES(2) * 15 / 7 * 2 / 10);
ffd4b35c 1016
1017 write16(0xa11100, 0x100);
1018 while (read16(0xa11100) & 0x100)
1019 ;
1020
1021 write32(VDP_CTRL_PORT, CTL_READ_VRAM(0x100));
1022 v0 = read32(VDP_DATA_PORT);
1023
1024 expect(ok, zram[0x1000], 0);
1025 expect(ok, v0, 0x55556666);
1026 return ok;
1027}
1028
a385208c 1029static int t_tim_loop(void)
1030{
1031 u8 vcnt;
1032 int ok = 1;
1033
1034 vdp_wait_for_line_0();
1035 burn10(488*220/10);
1036 vcnt = read8(VDP_HV_COUNTER);
1037 mem_barrier();
1038
1039 //expect_range(ok, vcnt, 0x80, 0x80);
1040 expect(ok, vcnt, 223);
1041 return ok;
1042}
1043
1044#define Z80_RD_V_CYCLES(b) (132 + (b) * 38 + 50 + 17)
1045
1046// 80 80 91 95-96
1047static void z80_read_loop(u8 *zram, u16 src)
1048{
1049 const int pairs = 512 + 256;
1050
1051 zram[0x1000] = 2; // read loop, save vcnt
1052 write16_z80le(&zram[0x1002], src); // src
1053 write16_z80le(&zram[0x1004], 0x1100); // vcnt dst
1054 write16_z80le(&zram[0x1006], pairs); // reads/2
1055 zram[0x1100] = 0;
1056 mem_barrier();
1057
1058 vdp_wait_for_line_0();
1059 write16(0xa11100, 0x000);
1060 burn10(Z80_RD_V_CYCLES(pairs) * 15 / 7 * 4 / 10);
1061
1062 write16(0xa11100, 0x100);
1063 while (read16(0xa11100) & 0x100)
1064 ;
1065}
1066
1067static int t_tim_z80_ram(void)
1068{
1069 u8 *zram = (u8 *)0xa00000;
1070 int ok = 1;
1071
1072 z80_read_loop(zram, 0);
1073
1074 expect(ok, zram[0x1000], 0);
1075 expect_range(ok, zram[0x1100], 0x80, 0x80);
1076 return ok;
1077}
1078
1079static int t_tim_z80_ym(void)
1080{
1081 u8 *zram = (u8 *)0xa00000;
1082 int ok = 1;
1083
1084 z80_read_loop(zram, 0x4000);
1085
1086 expect(ok, zram[0x1000], 0);
1087 expect_range(ok, zram[0x1100], 0x80, 0x80);
1088 return ok;
1089}
1090
1091static int t_tim_z80_vdp(void)
1092{
1093 u8 *zram = (u8 *)0xa00000;
1094 int ok = 1;
1095
1096 z80_read_loop(zram, 0x7f08);
1097
1098 expect(ok, zram[0x1000], 0);
1099#ifndef PICO
1100 expect_range(ok, zram[0x1100], 0x91, 0x91);
1101#else
1102 expect_range(ok, zram[0x1100], 0x8e, 0x91);
1103#endif
1104 return ok;
1105}
1106
1107static int t_tim_z80_bank_rom(void)
1108{
1109 u8 *zram = (u8 *)0xa00000;
1110 int i, ok = 1;
1111
1112 for (i = 0; i < 17; i++)
1113 write8(0xa06000, 0); // bank 0
1114
1115 z80_read_loop(zram, 0x8000);
1116
1117 expect(ok, zram[0x1000], 0);
1118#ifndef PICO
1119 expect_range(ok, zram[0x1100], 0x95, 0x96);
1120#else
1121 expect_range(ok, zram[0x1100], 0x93, 0x96);
1122#endif
1123 return ok;
1124}
1125
1126/* borderline too slow */
1127#if 0
cc7e5122 1128static void test_vcnt_vb(void)
a385208c 1129{
1130 const u32 *srhv = (u32 *)0xc00006; // to read SR and HV counter
1131 u32 *ram = (u32 *)0xff0000;
1132 u16 vcnt, vcnt_expect = 0;
1133 u16 sr, count = 0;
1134 u32 val, old;
1135
1136 vdp_wait_for_line_0();
1137 old = read32(srhv);
1138 *ram++ = old;
1139 for (;;) {
1140 val = read32(srhv);
1141 vcnt = val & 0xff00;
1142 if (vcnt == vcnt_expect)
1143 continue;
1144 sr = val >> 16;
1145 if (vcnt == 0 && !(sr & SR_VB)) // not VB
1146 break; // wrapped to start of frame
1147// count++;
1148 vcnt_expect += 0x100;
1149 if (vcnt == vcnt_expect && !((sr ^ (old >> 16)) & SR_VB)) {
1150 old = val;
1151 continue;
1152 }
1153 // should have a vcnt jump here
1154 *ram++ = old;
1155 *ram++ = val;
1156 vcnt_expect = vcnt;
1157 old = val;
1158 }
1159 *ram++ = val;
1160 *ram = count;
1161 mem_barrier();
1162}
1163#endif
1164
1165static int t_tim_vcnt(void)
1166{
1167 const u32 *ram32 = (u32 *)0xff0000;
1168 const u8 *ram = (u8 *)0xff0000;
1169 u8 pal = read8(0xa10001) & 0x40;
1170 u8 vc_jmp_b = pal ? 0x02 : 0xea;
1171 u8 vc_jmp_a = pal ? 0xca : 0xe5;
1172 u16 lines = pal ? 313 : 262;
1173 int ok = 1;
1174
cc7e5122 1175 test_vcnt_vb();
a385208c 1176 expect(ok, ram[0*4+2], 0); // line 0
1177 expect_bits(ok, ram[0*4+1], 0, SR_VB);
1178 expect(ok, ram[1*4+2], 223); // last no blank
1179 expect_bits(ok, ram[1*4+1], 0, SR_VB);
1180 expect(ok, ram[2*4+2], 224); // 1st blank
1181 expect_bits(ok, ram[2*4+1], SR_VB, SR_VB);
1182 expect(ok, ram[3*4+2], vc_jmp_b); // before jump
1183 expect_bits(ok, ram[3*4+1], SR_VB, SR_VB);
1184 expect(ok, ram[4*4+2], vc_jmp_a); // after jump
1185 expect_bits(ok, ram[4*4+1], SR_VB, SR_VB);
1186 expect(ok, ram[5*4+2], 0xfe); // before vb clear
1187 expect_bits(ok, ram[5*4+1], SR_VB, SR_VB);
1188 expect(ok, ram[6*4+2], 0xff); // after vb clear
1189 expect_bits(ok, ram[6*4+1], 0, SR_VB);
1190 expect(ok, ram[7*4+2], 0); // next line 0
1191 expect_bits(ok, ram[7*4+1], 0, SR_VB);
1192 expect(ok, ram32[8], lines - 1);
1193 return ok;
1194}
1195
cc7e5122 1196static int t_tim_hblank_h40(void)
1197{
1198 const u8 *r = (u8 *)0xff0000;
1199 int ok = 1;
1200
1201 test_hb();
1202
1203 // set: 0-2
1204 expect_bits(ok, r[2], SR_HB, SR_HB);
1205 expect_bits(ok, r[5], SR_HB, SR_HB);
1206 // <wait>
1207 expect_bits(ok, r[7], SR_HB, SR_HB);
1208 // clear: 8-11
1209 expect_bits(ok, r[12], 0, SR_HB);
1210 return ok;
1211}
1212
1213static int t_tim_hblank_h32(void)
1214{
1215 const u8 *r = (u8 *)0xff0000;
1216 int ok = 1;
1217
1218 VDP_setReg(VDP_MODE4, 0x00);
1219 test_hb();
1220 VDP_setReg(VDP_MODE4, 0x81);
1221
1222#ifndef PICO
1223 expect_bits(ok, r[0], 0, SR_HB);
1224#endif
1225 // set: 1-4
1226 expect_bits(ok, r[4], SR_HB, SR_HB);
1227 expect_bits(ok, r[5], SR_HB, SR_HB);
1228 // <wait>
1229 expect_bits(ok, r[8], SR_HB, SR_HB);
1230 // clear: 9-11
1231 expect_bits(ok, r[12], 0, SR_HB);
1232 return ok;
1233}
1234
a385208c 1235static int t_tim_vdp_as_vram_w(void)
1236{
1237 int ok = 1;
1238 u8 vcnt;
1239
1240 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0x100));
1241 vdp_wait_for_line_0();
1242 write16_x16(VDP_DATA_PORT, 112*18 / 16, 0);
1243 vcnt = read8(VDP_HV_COUNTER);
1244 mem_barrier();
1245
1246 expect(ok, vcnt, 112*2-1);
1247 return ok;
1248}
1249
1250static int t_tim_vdp_as_cram_w(void)
1251{
1252 int ok = 1;
1253 u8 vcnt;
1254
1255 write32(VDP_CTRL_PORT, CTL_WRITE_CRAM(0));
1256 vdp_wait_for_line_0();
1257 write16_x16(VDP_DATA_PORT, 112*18 / 16, 0);
1258 vcnt = read8(VDP_HV_COUNTER);
1259 mem_barrier();
1260
1261 setup_default_palette();
1262
1263#ifndef PICO
1264 expect(ok, vcnt, 112);
1265#else
1266 expect_range(ok, vcnt, 111, 112);
1267#endif
1268 return ok;
1269}
1270
4f936a9c 1271struct irq_test {
1272 u16 cnt;
1273 union {
1274 u16 hv;
1275 u8 v;
1276 } first, last;
8517a6df 1277 u16 pad;
4f936a9c 1278};
1279
6c839579 1280static int t_irq_hint(void)
1281{
4f936a9c 1282 struct irq_test *it = (void *)0xfff000;
6c839579 1283 int ok = 1;
1284
1285 // for more fun, disable the display
1286 VDP_setReg(VDP_MODE2, VDP_MODE2_MD);
1287
4f936a9c 1288 it->cnt = it->first.hv = it->last.hv = 0;
6c839579 1289 memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint);
1290 VDP_setReg(10, 0);
1291 while (read8(VDP_HV_COUNTER) != 100)
1292 ;
1293 while (read8(VDP_HV_COUNTER) != 229)
1294 ;
1295 // take the pending irq
1296 VDP_setReg(VDP_MODE1, VDP_MODE1_PS | VDP_MODE1_IE1);
1297 move_sr(0x2000);
1298 burn10(488 * 2 / 10);
1299 move_sr(0x2700);
4f936a9c 1300 expect(ok, it->first.v, 229); // pending irq trigger
1301 expect(ok, it->cnt, 1);
1302
6c839579 1303 // count irqs
4f936a9c 1304 it->cnt = it->first.hv = it->last.hv = 0;
6c839579 1305 move_sr(0x2000);
cc7e5122 1306 while (read8(VDP_HV_COUNTER) != 4)
6c839579 1307 ;
1308 while (read8(VDP_HV_COUNTER) != 228)
1309 ;
1310 move_sr(0x2700);
4f936a9c 1311 expect(ok, it->cnt, 225);
1312 expect(ok, it->first.v, 0);
1313 expect(ok, it->last.v, 224);
1314
6c839579 1315 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
1316
4f936a9c 1317 // detect reload line
1318 it->cnt = it->first.hv = it->last.hv = 0;
1319 VDP_setReg(10, 17);
1320 move_sr(0x2000);
1321 while (read16(VDP_CTRL_PORT) & 8)
1322 /* blanking */;
1323 VDP_setReg(10, 255);
1324 while (read8(VDP_HV_COUNTER) != 228)
1325 ;
1326 move_sr(0x2700);
1327 expect(ok, it->cnt, 1);
1328 expect(ok, it->first.v, 17);
1329 expect(ok, it->last.v, 17);
1330
1331 VDP_setReg(VDP_MODE1, VDP_MODE1_PS);
1332
6c839579 1333 return ok;
1334}
1335
8517a6df 1336static int t_irq_both_cpu_unmask(void)
1337{
1338 struct irq_test *ith = (void *)0xfff000;
1339 struct irq_test *itv = ith + 1;
1340 u16 s0, s1;
1341 int ok = 1;
1342
1343 memset_(ith, 0, sizeof(*ith) * 2);
1344 memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint);
1345 memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint);
1346 VDP_setReg(10, 0);
1347 while (read8(VDP_HV_COUNTER) != 100)
1348 ;
1349 while (read8(VDP_HV_COUNTER) != 226)
1350 ;
1351 VDP_setReg(10, 99);
1352 VDP_setReg(VDP_MODE1, VDP_MODE1_PS | VDP_MODE1_IE1);
1353 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_IE0 | VDP_MODE2_DISP);
1354 /* go to active display line 100 */
1355 while (read8(VDP_HV_COUNTER) != 100)
1356 ;
1357 s0 = read16(VDP_CTRL_PORT);
1358 s1 = move_sr_and_read(0x2000, VDP_CTRL_PORT);
1359 move_sr(0x2700);
1360 VDP_setReg(VDP_MODE1, VDP_MODE1_PS);
1361 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
1362
1363 expect(ok, itv->cnt, 1); // vint count
1364 expect(ok, itv->first.v, 100); // vint line
1365 expect(ok, ith->cnt, 1); // hint count
1366 expect(ok, ith->first.v, 100); // hint line
1367 expect_bits(ok, s0, SR_F, SR_F);
1368 expect_bits(ok, s1, 0, SR_F);
1369 return ok;
1370}
1371
6c839579 1372static int t_irq_ack_v_h(void)
1373{
8517a6df 1374 struct irq_test *ith = (void *)0xfff000;
1375 struct irq_test *itv = ith + 1;
6c839579 1376 u16 s0, s1, s2;
1377 int ok = 1;
1378
8517a6df 1379 memset_(ith, 0, sizeof(*ith) * 2);
6c839579 1380 memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint);
1381 memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint);
1382 VDP_setReg(10, 0);
4f936a9c 1383 /* ensure hcnt reload */
1384 while (!(read16(VDP_CTRL_PORT) & 8))
1385 /* not blanking */;
1386 while (read16(VDP_CTRL_PORT) & 8)
1387 /* blanking */;
6c839579 1388 VDP_setReg(VDP_MODE1, VDP_MODE1_PS | VDP_MODE1_IE1);
1389 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_IE0);
1390 while (read8(VDP_HV_COUNTER) != 100)
1391 ;
1392 while (read8(VDP_HV_COUNTER) != 226)
1393 ;
1394 s0 = read16(VDP_CTRL_PORT);
1395 s1 = move_sr_and_read(0x2500, VDP_CTRL_PORT);
1396 burn10(666 / 10);
1397 s2 = move_sr_and_read(0x2000, VDP_CTRL_PORT);
1398 burn10(488 / 10);
1399 move_sr(0x2700);
1400 VDP_setReg(VDP_MODE1, VDP_MODE1_PS);
1401 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
1402
8517a6df 1403 expect(ok, itv->cnt, 1); // vint count
1404 expect(ok, itv->first.v, 226); // vint line
1405 expect(ok, ith->cnt, 1); // hint count
1406 expect(ok, ith->first.v, 228); // hint line
6c839579 1407 expect_bits(ok, s0, SR_F, SR_F);
1408 expect_bits(ok, s1, 0, SR_F);
1409 expect_bits(ok, s2, 0, SR_F);
1410 return ok;
1411}
1412
cc7e5122 1413static int t_irq_ack_v_h_2(void)
1414{
8517a6df 1415 struct irq_test *ith = (void *)0xfff000;
1416 struct irq_test *itv = ith + 1;
cc7e5122 1417 u16 s0, s1;
1418 int ok = 1;
1419
8517a6df 1420 memset_(ith, 0, sizeof(*ith) * 2);
cc7e5122 1421 memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint);
1422 memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint);
1423 VDP_setReg(10, 0);
1424 while (read8(VDP_HV_COUNTER) != 100)
1425 ;
1426 while (read8(VDP_HV_COUNTER) != 226)
1427 ;
1428 s0 = read16(VDP_CTRL_PORT);
1429 test_v_h_2();
1430 s1 = read16(VDP_CTRL_PORT);
1431 VDP_setReg(VDP_MODE1, VDP_MODE1_PS);
1432 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
1433
8517a6df 1434 expect(ok, itv->cnt, 2); // vint count
1435 expect(ok, itv->first.v, 226); // vint line
1436 expect(ok, ith->cnt, 1); // hint count
1437 expect(ok, ith->first.v, 227); // hint line
cc7e5122 1438 expect_bits(ok, s0, SR_F, SR_F);
1439 expect_bits(ok, s1, 0, SR_F);
1440 return ok;
1441}
1442
6c839579 1443static int t_irq_ack_h_v(void)
1444{
1445 u16 *ram = (u16 *)0xfff000;
1446 u8 *ram8 = (u8 *)0xfff000;
1447 u16 s0, s1, s[4];
1448 int ok = 1;
1449
1450 ram[0] = ram[1] = ram[2] =
1451 ram[4] = ram[5] = ram[6] = 0;
1452 memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint);
1453 memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint);
1454 VDP_setReg(10, 0);
1455 while (read8(VDP_HV_COUNTER) != 100)
1456 ;
1457 while (read8(VDP_HV_COUNTER) != 226)
1458 ;
1459 s0 = read16(VDP_CTRL_PORT);
1460 VDP_setReg(VDP_MODE1, VDP_MODE1_PS | VDP_MODE1_IE1);
1461 move_sr(0x2000);
1462 burn10(666 / 10);
1463 s1 = read16(VDP_CTRL_PORT);
1464 write_and_read1(VDP_CTRL_PORT, 0x8000 | (VDP_MODE2 << 8)
1465 | VDP_MODE2_MD | VDP_MODE2_IE0, s);
6c839579 1466 move_sr(0x2700);
1467 VDP_setReg(VDP_MODE1, VDP_MODE1_PS);
1468 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
1469
1470 expect(ok, ram[0], 1); // hint count
1471 expect(ok, ram8[2], 226); // hint line
1472 expect(ok, ram[4], 1); // vint count
1473 expect(ok, ram8[10], 228); // vint line
1474 expect_bits(ok, s0, SR_F, SR_F);
1475 expect_bits(ok, s1, SR_F, SR_F);
1476 expect_bits(ok, s[0], SR_F, SR_F);
1477 expect_bits(ok, s[1], SR_F, SR_F);
1478 expect_bits(ok, s[2], 0, SR_F);
1479 expect_bits(ok, s[3], 0, SR_F);
1480 return ok;
1481}
1482
cc7e5122 1483static int t_irq_ack_h_v_2(void)
1484{
1485 u16 *ram = (u16 *)0xfff000;
1486 u8 *ram8 = (u8 *)0xfff000;
1487 u16 s0, s1;
1488 int ok = 1;
1489
1490 ram[0] = ram[1] = ram[2] =
1491 ram[4] = ram[5] = ram[6] = 0;
1492 memcpy_((void *)0xff0100, test_hint, test_hint_end - test_hint);
1493 memcpy_((void *)0xff0140, test_vint, test_vint_end - test_vint);
1494 VDP_setReg(10, 0);
1495 while (read8(VDP_HV_COUNTER) != 100)
1496 ;
1497 while (read8(VDP_HV_COUNTER) != 226)
1498 ;
1499 s0 = read16(VDP_CTRL_PORT);
1500 test_h_v_2();
1501 s1 = read16(VDP_CTRL_PORT);
1502 VDP_setReg(VDP_MODE1, VDP_MODE1_PS);
1503 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
1504
1505 expect(ok, ram[0], 2); // hint count
1506 expect(ok, ram8[2], 226); // hint first line
1507 expect(ok, ram8[4], 226); // hint last line
1508 expect(ok, ram[4], 0); // vint count
1509 expect(ok, ram8[10], 0); // vint line
1510 expect_bits(ok, s0, SR_F, SR_F);
1511 expect_bits(ok, s1, 0, SR_F);
1512 return ok;
1513}
1514
1515static void t_irq_f_flag(void)
1516{
1517 memcpy_((void *)0xff0140, test_f_vint, test_f_vint_end - test_f_vint);
1518 memset_((void *)0xff0000, 0, 10);
1519 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_IE0 | VDP_MODE2_DISP);
1520 test_f();
1521 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
1522}
1523
1524static int t_irq_f_flag_h40(void)
1525{
1526 u8 f, *r = (u8 *)0xff0000;
1527 int ok = 1;
1528
1529 t_irq_f_flag();
1530
1531 expect_bits(ok, r[0], 0, SR_F);
1532 expect_bits(ok, r[1], 0, SR_F);
1533 expect_bits(ok, r[2], 0, SR_F);
1534 // hits 1-3 times in range 3-9, usually ~5
1535 f = r[3] | r[4] | r[5] | r[6] | r[7];
1536
1537 expect_bits(ok, r[10], 0, SR_F);
1538 expect_bits(ok, r[11], 0, SR_F);
1539 expect_bits(ok, f, SR_F, SR_F);
1540 return ok;
1541}
1542
1543static int t_irq_f_flag_h32(void)
1544{
1545 u8 f, *r = (u8 *)0xff0000;
1546 int ok = 1;
1547
1548 VDP_setReg(VDP_MODE4, 0x00);
1549 t_irq_f_flag();
1550 VDP_setReg(VDP_MODE4, 0x81);
1551
1552 expect_bits(ok, r[0], 0, SR_F);
1553 expect_bits(ok, r[1], 0, SR_F);
1554 // hits 1-3 times in range 2-7, usually 3
1555 f = r[2] | r[3] | r[4] | r[5] | r[6] | r[7];
1556
1557 expect_bits(ok, r[8], 0, SR_F);
1558 expect_bits(ok, r[9], 0, SR_F);
1559 expect_bits(ok, r[10], 0, SR_F);
1560 expect_bits(ok, r[11], 0, SR_F);
1561 expect_bits(ok, f, SR_F, SR_F);
1562 return ok;
1563}
1564
9d39a80e 1565// 32X
1566
1567static int t_32x_init(void)
1568{
1569 void (*do_32x_enable)(void) = (void *)0xff0040;
1570 u32 M_OK = MKLONG('M','_','O','K');
1571 u32 S_OK = MKLONG('S','_','O','K');
1572 u32 *r = (u32 *)0xa15100;
1573 u16 *r16 = (u16 *)r;
71b41fdd 1574 int i, ok = 1;
9d39a80e 1575
71b41fdd 1576 //v1070 = read32(0x1070);
1577
1578 /* what does REN mean exactly?
1579 * Seems to be sometimes clear after reset */
1580 for (i = 0; i < 1000000; i++)
1581 if (read16(r16) & 0x80)
1582 break;
9d39a80e 1583 expect(ok, r16[0x00/2], 0x82);
1584 expect(ok, r16[0x02/2], 0);
1585 expect(ok, r16[0x04/2], 0);
1586 expect(ok, r16[0x06/2], 0);
1587 expect(ok, r[0x14/4], 0);
1588 expect(ok, r[0x18/4], 0);
1589 expect(ok, r[0x1c/4], 0);
1590 write32(&r[0x20/4], 0); // master resp
1591 write32(&r[0x24/4], 0); // slave resp
71b41fdd 1592 write32(&r[0x28/4], 0);
1593 write32(&r[0x2c/4], 0);
9d39a80e 1594
1595 // could just set RV, but BIOS reads ROM, so can't
1596 memcpy_(do_32x_enable, x32x_enable,
1597 x32x_enable_end - x32x_enable);
1598 do_32x_enable();
1599
1600 expect(ok, r16[0x00/2], 0x83);
1601 expect(ok, r16[0x02/2], 0);
1602 expect(ok, r16[0x04/2], 0);
1603 expect(ok, r16[0x06/2], 1); // RV
1604 expect(ok, r[0x14/4], 0);
1605 expect(ok, r[0x18/4], 0);
1606 expect(ok, r[0x1c/4], 0);
1607 expect(ok, r[0x20/4], M_OK);
1608 while (!read16(&r16[0x24/2]))
1609 ;
1610 expect(ok, r[0x24/4], S_OK);
06d7984c 1611 write32(&r[0x20/4], 0);
9d39a80e 1612 return ok;
1613}
1614
06d7984c 1615static void x32_cmd(enum x32x_cmd cmd, u32 a0, u32 a1, u16 is_slave)
9d39a80e 1616{
1617 u16 v, *r = (u16 *)0xa15120;
1618 u16 cmd_s = cmd | (is_slave << 15);
71b41fdd 1619 int i;
06d7984c 1620
1621 write32(&r[4/2], a0);
1622 write32(&r[8/2], a1);
1623 mem_barrier();
9d39a80e 1624 write16(r, cmd_s);
1625 mem_barrier();
71b41fdd 1626 for (i = 0; i < 10000 && (v = read16(r)) == cmd_s; i++)
9d39a80e 1627 burn10(1);
71b41fdd 1628 if (v != 0) {
9d39a80e 1629 printf("cmd clr: %x\n", v);
06d7984c 1630 mem_barrier();
1631 printf("c, e: %02x %02x\n", r[0x0c/2], r[0x0e/2]);
71b41fdd 1632 write16(r, 0);
1633 }
06d7984c 1634 v = read16(&r[1]);
1635 if (v != 0) {
1636 printf("cmd err: %x\n", v);
1637 write16(&r[1], 0);
1638 }
9d39a80e 1639}
1640
1641static int t_32x_echo(void)
1642{
1643 u16 *r = (u16 *)0xa15120;
1644 int ok = 1;
1645
06d7984c 1646 x32_cmd(CMD_ECHO, 0x12340000, 0, 0);
1647 expect(ok, r[0x06/2], 0x1234);
1648 x32_cmd(CMD_ECHO, 0x23450000, 0, 1);
1649 expect(ok, r[0x06/2], 0xa345);
1650 return ok;
1651}
1652
1653static int t_32x_md_bios(void)
1654{
1655 void (*do_call_c0)(int a, int d) = (void *)0xff0040;
1656 u8 *rmb = (u8 *)0xff0000;
1657 u32 *rl = (u32 *)0;
1658 int ok = 1;
1659
1660 memcpy_(do_call_c0, test_32x_b_c0,
1661 test_32x_b_c0_end - test_32x_b_c0);
1662 write8(rmb, 0);
1663 do_call_c0(0xff0000, 0x5a);
1664
1665 expect(ok, rmb[0], 0x5a);
1666 expect(ok, rl[0x04/4], 0x880200);
9d39a80e 1667 return ok;
1668}
1669
1670static int t_32x_md_rom(void)
1671{
1672 u32 *rl = (u32 *)0;
1673 int ok = 1;
1674
1675 expect(ok, rl[0x004/4], 0x880200);
1676 expect(ok, rl[0x100/4], 0x53454741);
1677 expect(ok, rl[0x70/4], 0);
71b41fdd 1678 write32(&rl[0x70/4], 0xa5123456);
9d39a80e 1679 write32(&rl[0x78/4], ~0);
1680 mem_barrier();
9d39a80e 1681 expect(ok, rl[0x78/4], 0x8802ae);
71b41fdd 1682 expect(ok, rl[0x70/4], 0xa5123456);
1683 //expect(ok, rl[0x1070/4], v1070);
1684 write32(&rl[0x70/4], 0);
1685 // with RV 0x880000/0x900000 hangs, can't test
9d39a80e 1686 return ok;
1687}
1688
06d7984c 1689static int t_32x_md_fb(void)
1690{
1691 u8 *fbb = (u8 *)0x840000;
1692 u16 *fbw = (u16 *)fbb;
1693 u32 *fbl = (u32 *)fbb;
1694 u8 *fob = (u8 *)0x860000;
1695 u16 *fow = (u16 *)fob;
1696 u32 *fol = (u32 *)fob;
1697 int ok = 1;
1698
1699 fbl[0] = 0x12345678;
1700 fol[1] = 0x89abcdef;
1701 mem_barrier();
1702 expect(ok, fbw[1], 0x5678);
1703 expect(ok, fow[2], 0x89ab);
1704 fbb[0] = 0;
1705 fob[1] = 0;
1706 fbw[1] = 0;
1707 fow[2] = 0;
1708 fow[3] = 1;
1709 mem_barrier();
1710 fow[3] = 0x200;
1711 mem_barrier();
1712 expect(ok, fol[0], 0x12340000);
1713 expect(ok, fbl[1], 0x89ab0201);
1714 return ok;
1715}
1716
1717static int t_32x_sh_fb(void)
1718{
1719 u32 *fbl = (u32 *)0x840000;
1720 int ok = 1;
1721
1722 fbl[0] = 0x12345678;
1723 fbl[1] = 0x89abcdef;
1724 mem_barrier();
1725 write8(0xa15100, 0x80); // FM=1
1726 x32_cmd(CMD_WRITE8, 0x24000000, 0, 0);
1727 x32_cmd(CMD_WRITE8, 0x24020001, 0, 0);
1728 x32_cmd(CMD_WRITE16, 0x24000002, 0, 0);
1729 x32_cmd(CMD_WRITE16, 0x24020000, 0, 0);
1730 x32_cmd(CMD_WRITE32, 0x24020004, 0x5a0000a5, 1);
1731 write8(0xa15100, 0x00); // FM=0
1732 mem_barrier();
1733 expect(ok, fbl[0], 0x12340000);
1734 expect(ok, fbl[1], 0x5aabcda5);
1735 return ok;
1736}
1737
9d39a80e 1738enum {
1739 T_MD = 0,
1740 T_32 = 1, // 32X
1741};
1742
ffd4b35c 1743static const struct {
9d39a80e 1744 u8 type;
ffd4b35c 1745 int (*test)(void);
1746 const char *name;
1747} g_tests[] = {
9d39a80e 1748 { T_MD, t_dma_zero_wrap, "dma zero len + wrap" },
1749 { T_MD, t_dma_zero_fill, "dma zero len + fill" },
1750 { T_MD, t_dma_ram_wrap, "dma ram wrap" },
1751 { T_MD, t_dma_multi, "dma multi" },
1752 { T_MD, t_dma_cram_wrap, "dma cram wrap" },
1753 { T_MD, t_dma_vsram_wrap, "dma vsram wrap" },
1754 { T_MD, t_dma_and_data, "dma and data" },
1755 { T_MD, t_dma_short_cmd, "dma short cmd" },
1756 { T_MD, t_dma_fill3_odd, "dma fill3 odd" },
1757 { T_MD, t_dma_fill3_even, "dma fill3 even" },
a385208c 1758#ifndef PICO // later
9d39a80e 1759 { T_MD, t_dma_fill3_vsram, "dma fill3 vsram" },
a385208c 1760#endif
9d39a80e 1761 { T_MD, t_dma_fill_dis, "dma fill disabled" },
1762 { T_MD, t_dma_fill_src, "dma fill src incr" },
1763 { T_MD, t_dma_128k, "dma 128k mode" },
1764 { T_MD, t_vdp_128k_b16, "vdp 128k addr bit16" },
a385208c 1765 // { t_vdp_128k_b16_inc, "vdp 128k bit16 inc" }, // mystery
9d39a80e 1766 { T_MD, t_vdp_reg_cmd, "vdp reg w cmd reset" },
1767 { T_MD, t_vdp_sr_vb, "vdp status reg vb" },
1768 { T_MD, t_z80mem_long_mirror, "z80 ram long mirror" },
1769 { T_MD, t_z80mem_noreq_w, "z80 ram noreq write" },
1770 { T_MD, t_z80mem_vdp_r, "z80 vdp read" },
ffd4b35c 1771 // { t_z80mem_vdp_w, "z80 vdp write" }, // hang
9d39a80e 1772 { T_MD, t_tim_loop, "time loop" },
1773 { T_MD, t_tim_z80_ram, "time z80 ram" },
1774 { T_MD, t_tim_z80_ym, "time z80 ym2612" },
1775 { T_MD, t_tim_z80_vdp, "time z80 vdp" },
1776 { T_MD, t_tim_z80_bank_rom, "time z80 bank rom" },
1777 { T_MD, t_tim_vcnt, "time V counter" },
1778 { T_MD, t_tim_hblank_h40, "time hblank h40" },
1779 { T_MD, t_tim_hblank_h32, "time hblank h32" },
1780 { T_MD, t_tim_vdp_as_vram_w, "time vdp vram w" },
1781 { T_MD, t_tim_vdp_as_cram_w, "time vdp cram w" },
1782 { T_MD, t_irq_hint, "irq4 / line" },
8517a6df 1783 { T_MD, t_irq_both_cpu_unmask, "irq both umask" },
9d39a80e 1784 { T_MD, t_irq_ack_v_h, "irq ack v-h" },
1785 { T_MD, t_irq_ack_v_h_2, "irq ack v-h 2" },
1786 { T_MD, t_irq_ack_h_v, "irq ack h-v" },
1787 { T_MD, t_irq_ack_h_v_2, "irq ack h-v 2" },
1788 { T_MD, t_irq_f_flag_h40, "irq f flag h40" },
9d39a80e 1789 { T_MD, t_irq_f_flag_h32, "irq f flag h32" },
1790
06d7984c 1791 // the first one enables 32X, so must be kept
1792 // all tests assume RV=1 FM=0
9d39a80e 1793 { T_32, t_32x_init, "32x init" },
1794 { T_32, t_32x_echo, "32x echo" },
06d7984c 1795 { T_32, t_32x_md_bios, "32x md bios" },
1796 { T_32, t_32x_md_rom, "32x md rom" },
1797 { T_32, t_32x_md_fb, "32x md fb" },
1798 { T_32, t_32x_sh_fb, "32x sh fb" },
ffd4b35c 1799};
1800
1801static void setup_z80(void)
1802{
1803 u8 *zram = (u8 *)0xa00000;
1804 int i, len;
1805
1806 /* z80 */
1807 write16(0xa11100, 0x100);
1808 write16(0xa11200, 0x100);
1809
1810 while (read16(0xa11100) & 0x100)
1811 ;
1812
1813 // load the default test program, clear it's data
1814 len = z80_test_end - z80_test;
1815 for (i = 0; i < len; i++)
1816 write8(&zram[i], z80_test[i]);
1817 for (i = 0x1000; i < 0x1007; i++)
1818 write8(&zram[i], 0);
a385208c 1819
1820 // reset
1821 write16(0xa11200, 0x000);
1822 write16(0xa11100, 0x000);
1823 burn10(1);
1824 write16(0xa11200, 0x100);
1825 burn10(1);
1826
1827 // take back the bus
1828 write16(0xa11100, 0x100);
1829 while (read16(0xa11100) & 0x100)
1830 ;
1831}
1832
1833static void wait_next_vsync(void)
1834{
1835 while (read16(VDP_CTRL_PORT) & 8)
1836 /* blanking */;
1837 while (!(read16(VDP_CTRL_PORT) & 8))
1838 /* not blanking */;
1839}
1840
cc7e5122 1841static unused int hexinc(char *c)
a385208c 1842{
1843 (*c)++;
1844 if (*c > 'f') {
1845 *c = '0';
1846 return 1;
1847 }
1848 if (*c == '9' + 1)
1849 *c = 'a';
1850 return 0;
ffd4b35c 1851}
1852
1853int main()
1854{
1855 int passed = 0;
9d39a80e 1856 int skipped = 0;
1857 int have_32x;
ffd4b35c 1858 int ret;
a385208c 1859 u8 v8;
ffd4b35c 1860 int i;
1861
1862 setup_z80();
1863
a385208c 1864 /* io */
1865 write8(0xa10009, 0x40);
1866
ffd4b35c 1867 /* setup VDP */
1868 while (read16(VDP_CTRL_PORT) & 2)
1869 ;
1870
1871 VDP_setReg(VDP_MODE1, VDP_MODE1_PS);
1872 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA);
1873 VDP_setReg(VDP_MODE3, 0x00);
1874 VDP_setReg(VDP_MODE4, 0x81);
1875 VDP_setReg(VDP_NT_SCROLLA, APLANE >> 10);
1876 VDP_setReg(VDP_NT_SCROLLB, BPLANE >> 13);
1877 VDP_setReg(VDP_SAT_BASE, SLIST >> 9);
1878 VDP_setReg(VDP_HSCROLL, HSCRL >> 10);
1879 VDP_setReg(VDP_AUTOINC, 2);
1880 VDP_setReg(VDP_SCROLLSZ, 0x01);
1881 VDP_setReg(VDP_BACKDROP, 0);
1882
1883 // early tests
1884 t_dma_zero_wrap_early();
1885 t_dma_zero_fill_early();
1886
1887 /* pattern 0 */
1888 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(0));
1889 for (i = 0; i < 32 / 4; i++)
1890 write32(VDP_DATA_PORT, 0);
1891
1892 /* clear name tables */
1893 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(APLANE));
1894 for (i = 0; i < PLANE_W * PLANE_H / 2; i++)
1895 write32(VDP_DATA_PORT, 0);
1896
1897 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(BPLANE));
1898 for (i = 0; i < PLANE_W * PLANE_H / 2; i++)
1899 write32(VDP_DATA_PORT, 0);
1900
1901 /* SAT, h. scroll */
1902 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(SLIST));
1903 write32(VDP_DATA_PORT, 0);
1904
1905 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(HSCRL));
1906 write32(VDP_DATA_PORT, 0);
1907
1908 /* scroll plane vscroll */
1909 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0));
1910 write32(VDP_DATA_PORT, 0);
1911 printf_ypos = 1;
1912
1913 /* load font */
1914 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(TILE_FONT_BASE));
1915 for (i = 0; i < FONT_LEN * 32 / 4; i++)
1916 write32(VDP_DATA_PORT, font_base[i]);
1917
1918 /* set colors */
1919 setup_default_palette();
1920
1921 VDP_setReg(VDP_MODE2, VDP_MODE2_MD | VDP_MODE2_DMA | VDP_MODE2_DISP);
1922
9d39a80e 1923 have_32x = read32(0xa130ec) == MKLONG('M','A','R','S');
a385208c 1924 v8 = read8(0xa10001);
9d39a80e 1925 printf("MD version: %02x %s %s %s\n", v8,
a385208c 1926 (v8 & 0x80) ? "world" : "jap",
9d39a80e 1927 (v8 & 0x40) ? "pal" : "ntsc",
1928 have_32x ? "32X" : "");
ffd4b35c 1929
1930 for (i = 0; i < ARRAY_SIZE(g_tests); i++) {
1931 // print test number if we haven't scrolled away
1932 if (printf_ypos < CSCREEN_H) {
1933 int old_ypos = printf_ypos;
1934 printf_ypos = 0;
ffd4b35c 1935 printf("%02d/%02d", i, ARRAY_SIZE(g_tests));
1936 printf_ypos = old_ypos;
1937 printf_xpos = 0;
1938 }
9d39a80e 1939 if ((g_tests[i].type & T_32) && !have_32x) {
1940 skipped++;
1941 continue;
1942 }
ffd4b35c 1943 ret = g_tests[i].test();
a385208c 1944 if (ret != 1) {
1945 text_pal = 2;
ffd4b35c 1946 printf("failed %d: %s\n", i, g_tests[i].name);
a385208c 1947 text_pal = 0;
1948 }
ffd4b35c 1949 else
1950 passed++;
1951 }
1952
1953 text_pal = 0;
9d39a80e 1954 printf("%d/%d passed, %d skipped.\n",
1955 passed, ARRAY_SIZE(g_tests), skipped);
ffd4b35c 1956
1957 printf_ypos = 0;
1958 printf(" ");
1959
a385208c 1960 while (!(get_input() & BTNM_A))
1961 wait_next_vsync();
1962
1963
1964 {
1965 char c[3] = { '0', '0', '0' };
1966 short hscroll = 0, vscroll = 0;
1967 short hsz = 1, vsz = 0;
1968 short cellmode = 0;
1969
1970 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(APLANE));
1971
cc7e5122 1972#if 0
1973 for (i = 0, c[0] = 'a'; i < 8 * 1024 / 2; i++) {
1974 write16(VDP_DATA_PORT, (u16)c[0] - 32 + TILE_FONT_BASE / 32);
1975 c[0]++;
1976 if (c[0] == 'z' + 1)
1977 c[0] = 'a';
1978 }
1979#else
a385208c 1980 for (i = 0; i < 8 * 1024 / 2 / 4; i++) {
1981 write16(VDP_DATA_PORT, (u16)'.' - 32 + TILE_FONT_BASE / 32);
1982 write16(VDP_DATA_PORT, (u16)c[2] - 32 + TILE_FONT_BASE / 32);
1983 write16(VDP_DATA_PORT, (u16)c[1] - 32 + TILE_FONT_BASE / 32);
1984 write16(VDP_DATA_PORT, (u16)c[0] - 32 + TILE_FONT_BASE / 32);
1985 if (hexinc(&c[0]))
1986 if (hexinc(&c[1]))
1987 hexinc(&c[2]);
1988 }
cc7e5122 1989#endif
a385208c 1990 while (get_input() & BTNM_A)
1991 wait_next_vsync();
1992
1993 wait_next_vsync();
1994 for (;;) {
1995 int b = get_input();
1996
1997 if (b & BTNM_C) {
1998 hscroll = 1, vscroll = -1;
1999 do {
2000 wait_next_vsync();
2001 } while (get_input() & BTNM_C);
2002 cellmode ^= 1;
2003 }
2004 if (b & (BTNM_L | BTNM_R | BTNM_C)) {
2005 hscroll += (b & BTNM_L) ? 1 : -1;
2006 write32(VDP_CTRL_PORT, CTL_WRITE_VRAM(HSCRL));
2007 write16(VDP_DATA_PORT, hscroll);
2008 }
2009 if (b & (BTNM_U | BTNM_D | BTNM_C)) {
2010 vscroll += (b & BTNM_U) ? -1 : 1;
2011 write32(VDP_CTRL_PORT, CTL_WRITE_VSRAM(0));
2012 if (cellmode) {
2013 int end = (int)vscroll + 21;
2014 for (i = vscroll; i < end; i++)
2015 write32(VDP_DATA_PORT, i << 17);
2016 VDP_setReg(VDP_MODE3, 0x04);
2017 }
2018 else {
2019 write16(VDP_DATA_PORT, vscroll);
2020 VDP_setReg(VDP_MODE3, 0x00);
2021 }
2022 }
2023 if (b & BTNM_A) {
2024 hsz = (hsz + 1) & 3;
2025 do {
2026 wait_next_vsync();
2027 } while (get_input() & BTNM_A);
2028 }
2029 if (b & BTNM_B) {
2030 vsz = (vsz + 1) & 3;
2031 do {
2032 wait_next_vsync();
2033 } while (get_input() & BTNM_B);
2034 }
2035 VDP_setReg(VDP_SCROLLSZ, (vsz << 4) | hsz);
2036
2037 printf_xpos = 1;
2038 printf_ypos = 0;
2039 text_pal = 1;
2040 printf(" %d %d ", hsz, vsz);
2041
2042 wait_next_vsync();
2043 }
2044 }
2045
ffd4b35c 2046 for (;;)
2047 ;
2048
2049 return 0;
2050}
2051
2052// vim:ts=4:sw=4:expandtab
Genesis/MegaDrive related projects