3 #define u8 unsigned char
4 #define u16 unsigned short
5 #define u32 unsigned int
7 #define noinline __attribute__((noinline))
12 #define GFX_DATA_PORT 0xC00000
13 #define GFX_CTRL_PORT 0xC00004
15 #define TILE_MEM_END 0xB000
18 #define TILE_FONT_BASE (TILE_MEM_END / 32 - FONT_LEN)
20 /* note: using ED menu's layout here.. */
21 #define WPLAN (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)
28 *((volatile u8 *) (a))
30 *((volatile u16 *) (a))
32 *((volatile u32 *) (a))
33 #define write16(a, d) \
34 *((volatile u16 *) (a)) = (d)
35 #define write32(a, d) \
36 *((volatile u32 *) (a)) = (d)
38 #define GFX_WRITE_VRAM_ADDR(adr) \
39 (((0x4000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x00)
40 #define GFX_WRITE_VSRAM_ADDR(adr) \
41 (((0x4000 | ((adr) & 0x3FFF)) << 16) | ((adr) >> 14) | 0x10)
54 #define LEFT_BORDER 1 /* lame TV */
59 static noinline void VDP_drawTextML(const char *str, u16 plane_base,
62 const u8 *src = (const u8 *)str;
64 int max_len = 40 - LEFT_BORDER;
70 for (len = 0; str[len] && len < max_len; len++)
72 if (len > (PLANE_W - x))
75 addr = plane_base + ((x + (PLANE_W * y)) << 1);
76 write32(GFX_CTRL_PORT, GFX_WRITE_VRAM_ADDR(addr));
79 write16(GFX_DATA_PORT,
80 basetile | ((*src++) - 32 + TILE_FONT_BASE));
84 static int printf_ypos;
86 static void printf_line(int x, const char *buf)
91 VDP_drawTextML(buf, APLANE, x, printf_ypos++ & (PLANE_H - 1));
93 if (printf_ypos >= CSCREEN_H) {
96 addr += (PLANE_W * (printf_ypos & (PLANE_H - 1))) << 1;
97 write32(GFX_CTRL_PORT, GFX_WRITE_VRAM_ADDR(addr));
98 for (i = 0; i < 40 / 2; i++)
99 write32(GFX_DATA_PORT, 0);
102 write32(GFX_CTRL_PORT, GFX_WRITE_VSRAM_ADDR(0));
103 write16(GFX_DATA_PORT, (printf_ypos - 27) * 8);
107 #define PRINTF_LEN 40
109 static noinline int printf(const char *fmt, ...)
111 static const char hexchars[] = "0123456789abcdef";
112 static int printf_xpos;
113 char c, buf[PRINTF_LEN + 11 + 1];
122 for (d = 0; *fmt; ) {
133 printf_line(printf_xpos, buf);
149 while ('1' <= *fmt && *fmt <= '9') {
150 fwidth = fwidth * 10 + *fmt - '0';
160 ival = va_arg(ap, int);
165 for (i = 1000000000; i >= 10; i /= 10)
168 for (; i >= 10; i /= 10) {
169 buf[d++] = '0' + ival / i;
172 buf[d++] = '0' + ival;
175 uval = va_arg(ap, int);
176 while (fwidth > 0 && uval < (1 << (fwidth - 1) * 4)) {
177 buf[d++] = prefix0 ? '0' : ' ';
180 for (j = 1; j < 8 && uval >= (1 << j * 4); j++)
182 for (j--; j >= 0; j--)
183 buf[d++] = hexchars[(uval >> j * 4) & 0x0f];
186 s = va_arg(ap, char *);
187 while (*s && d < PRINTF_LEN)
191 // don't handle, for now
202 VDP_drawTextML(buf, APLANE, printf_xpos,
203 printf_ypos & (PLANE_H - 1));
212 VDP_drawTextML("============", APLANE, 0, 0);
213 VDP_drawTextML(" exception! ", APLANE, 0, 1);
214 VDP_drawTextML("============", APLANE, 0, 2);
223 static int usb_read_while_ready(OsRoutine *ed,
224 void *buf_, int maxlen)
229 while (ed->usbRdReady() && r < maxlen)
230 buf[r++] = ed->usbReadByte();
236 * TH = 1 : ?1CBRLDU 3-button pad return value (not read)
237 * TH = 0 : ?0SA00DU 3-button pad return value
238 * TH = 1 : ?1CBRLDU 3-button pad return value
239 * TH = 0 : ?0SA0000 D3-0 are forced to '0'
240 * TH = 1 : ?1CBMXYZ Extra buttons returned in D3-0
241 * TH = 0 : ?0SA1111 D3-0 are forced to '1'
243 static void test_joy_latency(int *min_out, int *max_out)
250 for (i = 0; i < 64; i++) {
251 read_joy_responses(rbuf);
253 for (b = 0; b < 8 * 4; b++) {
255 e = (b & 0x08) ? 0x0c : 0;
256 if ((rbuf[b] & 0x0c) == e) {
265 /* print out the last test */
266 for (b = 0; b < 8 * 5; b++) {
267 printf(" %02x", rbuf[b]);
277 static int do_test(OsRoutine *ed, u8 b3)
279 int min = 0, max = 0;
284 test_joy_latency(&min, &max);
285 printf("latency: %d - %d\n\n", min, max);
302 static int do_run(OsRoutine *ed, u8 b3)
309 mapper = MTYPE_SMS | (7 << 4);
330 while (read32(GFX_CTRL_PORT) & 2)
332 ed->VDP_setReg(VDP_MODE1, 0x04);
333 ed->VDP_setReg(VDP_MODE2, 0x44);
335 ed->usbWriteByte('k');
338 /* should not get here.. */
350 ed = (OsRoutine *) *(u32 *)0x1A0;
351 ed->memInitDmaCode();
353 ed->VDP_setReg(VDP_MODE1, 0x04);
354 ed->VDP_setReg(VDP_MODE2, 0x64);
355 ed->VDP_setReg(VDP_AUTOINC, 2);
356 ed->VDP_setReg(VDP_SCROLLSZ, 0x01);
358 /* clear name tables */
359 write32(GFX_CTRL_PORT, GFX_WRITE_VRAM_ADDR(APLANE));
360 for (i = 0; i < PLANE_W * PLANE_H / 2; i++)
361 write32(GFX_DATA_PORT, 0);
363 write32(GFX_CTRL_PORT, GFX_WRITE_VRAM_ADDR(BPLANE));
364 for (i = 0; i < PLANE_W * PLANE_H / 2; i++)
365 write32(GFX_DATA_PORT, 0);
367 /* note: relying on ED menu's font setup here.. */
369 printf("version: %02x\n", read8(0xa10001));
370 printf("ED os/fw: %x/%x\n\n", ed->osGetOsVersion(),
371 ed->osGetFirmVersion());
374 if (!ed->usbRdReady()) {
375 asm volatile("stop #0x2000");
379 buf[0] = ed->usbReadByte();
387 /* note: OS uses Twofgsr */
388 buf[1] = ed->usbReadByte();
391 ed->usbWriteByte('k');
394 len = ed->usbReadByte() * 128;
395 printf("loading %d bytes.. ", len * 512);
396 ed->usbWriteByte('k');
397 ed->usbReadDma((void *)0x200000, len);
398 ed->usbWriteByte('d');
402 buf[2] = ed->usbReadByte();
403 ret = do_run(ed, buf[2]);
408 printf("run returned??\n");
413 buf[2] = ed->usbReadByte();
414 ret = do_test(ed, buf[2]);
419 ed->usbWriteByte('k');
429 ret = usb_read_while_ready(ed, buf + d, sizeof(buf) - d);
431 printf("bad cmd: %s\n", buf);
432 /* consume all remaining data */
433 while (ed->usbRdReady())
434 usb_read_while_ready(ed, buf, sizeof(buf));
436 ed->usbWriteByte('b');
442 // vim:ts=4:sw=4:expandtab