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1 | // some debug code, just for fun of it |
2 | // (c) Copyright 2008 notaz, All rights reserved. |
3 | |
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4 | #include "pico_int.h" |
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5 | #include "sound/ym2612.h" |
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6 | #include "debug.h" |
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7 | |
8 | #define bit(r, x) ((r>>x)&1) |
9 | #define MVP dstrp+=strlen(dstrp) |
10 | void z80_debug(char *dstr); |
11 | |
12 | static char dstr[1024*8]; |
13 | |
14 | char *PDebugMain(void) |
15 | { |
16 | struct PicoVideo *pv=&Pico.video; |
17 | unsigned char *reg=pv->reg, r; |
18 | extern int HighPreSpr[]; |
19 | int i, sprites_lo, sprites_hi; |
20 | char *dstrp; |
21 | |
22 | sprites_lo = sprites_hi = 0; |
23 | for (i = 0; HighPreSpr[i] != 0; i+=2) |
24 | if (HighPreSpr[i+1] & 0x8000) |
25 | sprites_hi++; |
26 | else sprites_lo++; |
27 | |
28 | dstrp = dstr; |
29 | sprintf(dstrp, "mode set 1: %02x spr lo: %2i, spr hi: %2i\n", (r=reg[0]), sprites_lo, sprites_hi); MVP; |
30 | sprintf(dstrp, "display_disable: %i, M3: %i, palette: %i, ?, hints: %i\n", bit(r,0), bit(r,1), bit(r,2), bit(r,4)); MVP; |
31 | sprintf(dstrp, "mode set 2: %02x hcnt: %i\n", (r=reg[1]), pv->reg[10]); MVP; |
32 | sprintf(dstrp, "SMS/gen: %i, pal: %i, dma: %i, vints: %i, disp: %i, TMS: %i\n",bit(r,2),bit(r,3),bit(r,4),bit(r,5),bit(r,6),bit(r,7)); MVP; |
33 | sprintf(dstrp, "mode set 3: %02x\n", (r=reg[0xB])); MVP; |
34 | sprintf(dstrp, "LSCR: %i, HSCR: %i, 2cell vscroll: %i, IE2: %i\n", bit(r,0), bit(r,1), bit(r,2), bit(r,3)); MVP; |
35 | sprintf(dstrp, "mode set 4: %02x\n", (r=reg[0xC])); MVP; |
36 | sprintf(dstrp, "interlace: %i%i, cells: %i, shadow: %i\n", bit(r,2), bit(r,1), (r&0x80) ? 40 : 32, bit(r,3)); MVP; |
37 | sprintf(dstrp, "scroll size: w: %i, h: %i SRAM: %i; eeprom: %i (%i)\n", reg[0x10]&3, (reg[0x10]&0x30)>>4, |
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38 | !!(SRam.flags & SRF_ENABLED), !!(SRam.flags & SRF_EEPROM), SRam.eeprom_type); MVP; |
39 | sprintf(dstrp, "sram range: %06x-%06x, reg: %02x\n", SRam.start, SRam.end, Pico.m.sram_reg); MVP; |
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40 | sprintf(dstrp, "pend int: v:%i, h:%i, vdp status: %04x\n", bit(pv->pending_ints,5), bit(pv->pending_ints,4), pv->status); MVP; |
41 | sprintf(dstrp, "pal: %i, hw: %02x, frame#: %i\n", Pico.m.pal, Pico.m.hardware, Pico.m.frame_count); MVP; |
42 | #if defined(EMU_C68K) |
43 | sprintf(dstrp, "M68k: PC: %06x, st_flg: %x, cycles: %u\n", SekPc, PicoCpuCM68k.state_flags, SekCyclesDoneT()); MVP; |
44 | sprintf(dstrp, "d0=%08x, a0=%08x, osp=%08x, irql=%i\n", PicoCpuCM68k.d[0], PicoCpuCM68k.a[0], PicoCpuCM68k.osp, PicoCpuCM68k.irq); MVP; |
45 | sprintf(dstrp, "d1=%08x, a1=%08x, sr=%04x\n", PicoCpuCM68k.d[1], PicoCpuCM68k.a[1], CycloneGetSr(&PicoCpuCM68k)); dstrp+=strlen(dstrp); MVP; |
46 | for(r=2; r < 8; r++) { |
47 | sprintf(dstrp, "d%i=%08x, a%i=%08x\n", r, PicoCpuCM68k.d[r], r, PicoCpuCM68k.a[r]); MVP; |
48 | } |
49 | #elif defined(EMU_M68K) |
50 | sprintf(dstrp, "M68k: PC: %06x, cycles: %u, irql: %i\n", SekPc, SekCyclesDoneT(), PicoCpuMM68k.int_level>>8); MVP; |
51 | #elif defined(EMU_F68K) |
52 | sprintf(dstrp, "M68k: PC: %06x, cycles: %u, irql: %i\n", SekPc, SekCyclesDoneT(), PicoCpuFM68k.interrupts[0]); MVP; |
53 | #endif |
54 | sprintf(dstrp, "z80Run: %i, z80_reset: %i, z80_bnk: %06x\n", Pico.m.z80Run, Pico.m.z80_reset, Pico.m.z80_bank68k<<15); MVP; |
55 | z80_debug(dstrp); MVP; |
56 | if (strlen(dstr) > sizeof(dstr)) |
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57 | elprintf(EL_STATUS, "warning: debug buffer overflow (%i/%i)\n", strlen(dstr), sizeof(dstr)); |
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58 | |
59 | return dstr; |
60 | } |
61 | |
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62 | char *PDebug32x(void) |
63 | { |
64 | char *dstrp = dstr; |
65 | unsigned short *r; |
66 | int i; |
67 | |
68 | r = Pico32x.regs; |
69 | sprintf(dstrp, "regs:\n"); MVP; |
70 | for (i = 0; i < 0x40/2; i += 8) { |
71 | sprintf(dstrp, "%02x: %04x %04x %04x %04x %04x %04x %04x %04x\n", |
72 | i*2, r[i+0], r[i+1], r[i+2], r[i+3], r[i+4], r[i+5], r[i+6], r[i+7]); MVP; |
73 | } |
74 | |
75 | i = 0; |
76 | r = Pico32x.vdp_regs; |
77 | sprintf(dstrp, "VDP regs:\n"); MVP; |
78 | sprintf(dstrp, "%02x: %04x %04x %04x %04x %04x %04x %04x %04x\n", |
79 | i*2, r[i+0], r[i+1], r[i+2], r[i+3], r[i+4], r[i+5], r[i+6], r[i+7]); MVP; |
80 | |
81 | sprintf(dstrp, " mSH2 sSH2\n"); MVP; |
82 | sprintf(dstrp, "PC: %08x %08x\n", msh2_pc(), ssh2_pc()); MVP; |
83 | for (i = 0; i < 16/2; i++) { |
84 | sprintf(dstrp, "R%d,%2d %08x,%08x %08x,%08x\n", i, i + 8, |
85 | msh2_reg(i), msh2_reg(i+8), ssh2_reg(i), ssh2_reg(i+8)); MVP; |
86 | } |
87 | |
88 | return dstr; |
89 | } |
90 | |
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91 | char *PDebugSpriteList(void) |
92 | { |
93 | struct PicoVideo *pvid=&Pico.video; |
94 | int table=0,u,link=0; |
95 | int max_sprites = 80; |
96 | char *dstrp; |
97 | |
98 | if (!(pvid->reg[12]&1)) |
99 | max_sprites = 64; |
100 | |
101 | dstr[0] = 0; |
102 | dstrp = dstr; |
103 | |
104 | table=pvid->reg[5]&0x7f; |
105 | if (pvid->reg[12]&1) table&=0x7e; // Lowest bit 0 in 40-cell mode |
106 | table<<=8; // Get sprite table address/2 |
107 | |
108 | for (u=0; u < max_sprites; u++) |
109 | { |
110 | unsigned int *sprite; |
111 | int code, code2, sx, sy, height; |
112 | |
113 | sprite=(unsigned int *)(Pico.vram+((table+(link<<2))&0x7ffc)); // Find sprite |
114 | |
115 | // get sprite info |
116 | code = sprite[0]; |
117 | |
118 | // check if it is on this line |
119 | sy = (code&0x1ff)-0x80; |
120 | height = ((code>>24)&3)+1; |
121 | |
122 | // masking sprite? |
123 | code2 = sprite[1]; |
124 | sx = ((code2>>16)&0x1ff)-0x80; |
125 | |
126 | sprintf(dstrp, "#%02i x:%4i y:%4i %ix%i %s\n", u, sx, sy, ((code>>26)&3)+1, height, |
127 | (code2&0x8000)?"hi":"lo"); |
128 | MVP; |
129 | |
130 | link=(code>>16)&0x7f; |
131 | if(!link) break; // End of sprites |
132 | } |
133 | |
134 | return dstr; |
135 | } |
136 | |
137 | #define GREEN1 0x0700 |
138 | #ifdef USE_BGR555 |
139 | #define YELLOW1 0x071c |
140 | #define BLUE1 0xf000 |
141 | #define RED1 0x001e |
142 | #else |
143 | #define YELLOW1 0xe700 |
144 | #define BLUE1 0x001e |
145 | #define RED1 0xf000 |
146 | #endif |
147 | |
148 | static void set16(unsigned short *p, unsigned short d, int cnt) |
149 | { |
150 | while (cnt-- > 0) |
151 | *p++ = d; |
152 | } |
153 | |
154 | void PDebugShowSpriteStats(unsigned short *screen, int stride) |
155 | { |
156 | int lines, i, u, step; |
157 | unsigned short *dest; |
158 | unsigned char *p; |
159 | |
160 | step = (320-4*4-1) / MAX_LINE_SPRITES; |
161 | lines = 240; |
162 | if (!Pico.m.pal || !(Pico.video.reg[1]&8)) |
163 | lines = 224, screen += stride*8; |
164 | |
165 | for (i = 0; i < lines; i++) |
166 | { |
167 | dest = screen + stride*i; |
168 | p = &HighLnSpr[i][0]; |
169 | |
170 | // sprite graphs |
171 | for (u = 0; u < (p[0] & 0x7f); u++) { |
172 | set16(dest, (p[3+u] & 0x80) ? YELLOW1 : GREEN1, step); |
173 | dest += step; |
174 | } |
175 | |
176 | // flags |
177 | dest = screen + stride*i + 320-4*4; |
178 | if (p[1] & 0x40) set16(dest+4*0, GREEN1, 4); |
179 | if (p[1] & 0x80) set16(dest+4*1, YELLOW1, 4); |
180 | if (p[1] & 0x20) set16(dest+4*2, BLUE1, 4); |
181 | if (p[1] & 0x10) set16(dest+4*3, RED1, 4); |
182 | } |
183 | |
184 | // draw grid |
185 | for (i = step*5; i <= 320-4*4-1; i += step*5) { |
186 | for (u = 0; u < lines; u++) |
187 | screen[i + u*stride] = 0x182; |
188 | } |
189 | } |
190 | |
191 | void PDebugShowPalette(unsigned short *screen, int stride) |
192 | { |
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193 | int x, y; |
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194 | |
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195 | Pico.m.dirtyPal = 1; |
196 | if (PicoAHW & PAHW_SMS) |
197 | PicoDoHighPal555M4(); |
198 | else |
199 | PicoDoHighPal555(1); |
200 | Pico.m.dirtyPal = 1; |
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201 | |
202 | screen += 16*stride+8; |
203 | for (y = 0; y < 8*4; y++) |
204 | for (x = 0; x < 8*16; x++) |
205 | screen[x + y*stride] = HighPal[x/8 + (y/8)*16]; |
206 | |
207 | screen += 160; |
208 | for (y = 0; y < 8*4; y++) |
209 | for (x = 0; x < 8*16; x++) |
210 | screen[x + y*stride] = HighPal[(x/8 + (y/8)*16) | 0x40]; |
211 | |
212 | screen += stride*48; |
213 | for (y = 0; y < 8*4; y++) |
214 | for (x = 0; x < 8*16; x++) |
215 | screen[x + y*stride] = HighPal[(x/8 + (y/8)*16) | 0x80]; |
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216 | } |
217 | |
218 | #if defined(DRAW2_OVERRIDE_LINE_WIDTH) |
219 | #define DRAW2_LINE_WIDTH DRAW2_OVERRIDE_LINE_WIDTH |
220 | #else |
221 | #define DRAW2_LINE_WIDTH 328 |
222 | #endif |
223 | |
224 | void PDebugShowSprite(unsigned short *screen, int stride, int which) |
225 | { |
226 | struct PicoVideo *pvid=&Pico.video; |
227 | int table=0,u,link=0,*sprite=0,*fsprite,oldsprite[2]; |
228 | int x,y,max_sprites = 80, oldcol, oldreg; |
229 | |
230 | if (!(pvid->reg[12]&1)) |
231 | max_sprites = 64; |
232 | |
233 | table=pvid->reg[5]&0x7f; |
234 | if (pvid->reg[12]&1) table&=0x7e; // Lowest bit 0 in 40-cell mode |
235 | table<<=8; // Get sprite table address/2 |
236 | |
237 | for (u=0; u < max_sprites && u <= which; u++) |
238 | { |
239 | sprite=(int *)(Pico.vram+((table+(link<<2))&0x7ffc)); // Find sprite |
240 | |
241 | link=(sprite[0]>>16)&0x7f; |
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242 | if (!link) break; // End of sprites |
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243 | } |
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244 | if (u >= max_sprites) return; |
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245 | |
246 | fsprite = (int *)(Pico.vram+(table&0x7ffc)); |
247 | oldsprite[0] = fsprite[0]; |
248 | oldsprite[1] = fsprite[1]; |
249 | fsprite[0] = (sprite[0] & ~0x007f01ff) | 0x000080; |
250 | fsprite[1] = (sprite[1] & ~0x01ff8000) | 0x800000; |
251 | oldreg = pvid->reg[7]; |
252 | oldcol = Pico.cram[0]; |
253 | pvid->reg[7] = 0; |
254 | Pico.cram[0] = 0; |
255 | PicoDrawMask = PDRAW_SPRITES_LOW_ON; |
256 | |
257 | PicoFrameFull(); |
258 | for (y = 0; y < 8*4; y++) |
259 | { |
260 | unsigned char *ps = PicoDraw2FB + DRAW2_LINE_WIDTH*y + 8; |
261 | for (x = 0; x < 8*4; x++) |
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262 | if (ps[x]) screen[x] = HighPal[ps[x]], ps[x] = 0; |
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263 | screen += stride; |
264 | } |
265 | |
266 | fsprite[0] = oldsprite[0]; |
267 | fsprite[1] = oldsprite[1]; |
268 | pvid->reg[7] = oldreg; |
269 | Pico.cram[0] = oldcol; |
270 | PicoDrawMask = -1; |
271 | } |
272 | |
273 | #define dump_ram(ram,fname) \ |
274 | { \ |
275 | unsigned short *sram = (unsigned short *) ram; \ |
276 | FILE *f; \ |
277 | int i; \ |
278 | \ |
279 | for (i = 0; i < sizeof(ram)/2; i++) \ |
280 | sram[i] = (sram[i]<<8) | (sram[i]>>8); \ |
281 | f = fopen(fname, "wb"); \ |
282 | if (f) { \ |
283 | fwrite(ram, 1, sizeof(ram), f); \ |
284 | fclose(f); \ |
285 | } \ |
286 | for (i = 0; i < sizeof(ram)/2; i++) \ |
287 | sram[i] = (sram[i]<<8) | (sram[i]>>8); \ |
288 | } |
289 | |
290 | #define dump_ram_noswab(ram,fname) \ |
291 | { \ |
292 | FILE *f; \ |
293 | f = fopen(fname, "wb"); \ |
294 | if (f) { \ |
295 | fwrite(ram, 1, sizeof(ram), f); \ |
296 | fclose(f); \ |
297 | } \ |
298 | } |
299 | |
300 | void PDebugDumpMem(void) |
301 | { |
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302 | dump_ram_noswab(Pico.zram, "dumps/zram.bin"); |
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303 | dump_ram(Pico.cram, "dumps/cram.bin"); |
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304 | |
305 | if (PicoAHW & PAHW_SMS) |
306 | { |
307 | dump_ram_noswab(Pico.vramb, "dumps/vram.bin"); |
308 | } |
309 | else |
310 | { |
311 | dump_ram(Pico.ram, "dumps/ram.bin"); |
312 | dump_ram(Pico.vram, "dumps/vram.bin"); |
313 | dump_ram(Pico.vsram,"dumps/vsram.bin"); |
314 | } |
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315 | |
316 | if (PicoAHW & PAHW_MCD) |
317 | { |
318 | dump_ram(Pico_mcd->prg_ram, "dumps/prg_ram.bin"); |
319 | if (Pico_mcd->s68k_regs[3]&4) // 1M mode? |
320 | wram_1M_to_2M(Pico_mcd->word_ram2M); |
321 | dump_ram(Pico_mcd->word_ram2M, "dumps/word_ram_2M.bin"); |
322 | wram_2M_to_1M(Pico_mcd->word_ram2M); |
323 | dump_ram(Pico_mcd->word_ram1M[0], "dumps/word_ram_1M_0.bin"); |
324 | dump_ram(Pico_mcd->word_ram1M[1], "dumps/word_ram_1M_1.bin"); |
325 | if (!(Pico_mcd->s68k_regs[3]&4)) // 2M mode? |
326 | wram_2M_to_1M(Pico_mcd->word_ram2M); |
327 | dump_ram_noswab(Pico_mcd->pcm_ram,"dumps/pcm_ram.bin"); |
328 | dump_ram_noswab(Pico_mcd->bram, "dumps/bram.bin"); |
329 | } |
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330 | |
331 | if (PicoAHW & PAHW_32X) |
332 | { |
333 | dump_ram(Pico32xMem->sdram, "dumps/sdram.bin"); |
334 | dump_ram(Pico32xMem->dram[0], "dumps/dram0.bin"); |
335 | dump_ram(Pico32xMem->dram[1], "dumps/dram1.bin"); |
336 | dump_ram(Pico32xMem->pal, "dumps/pal32x.bin"); |
337 | } |
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338 | } |
339 | |
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340 | void PDebugZ80Frame(void) |
341 | { |
342 | int lines, line_sample; |
343 | |
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344 | if (PicoAHW & PAHW_SMS) |
345 | return; |
346 | |
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347 | if (Pico.m.pal) { |
348 | lines = 312; |
349 | line_sample = 68; |
350 | } else { |
351 | lines = 262; |
352 | line_sample = 93; |
353 | } |
354 | |
355 | z80_resetCycles(); |
356 | emustatus &= ~1; |
357 | |
358 | if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80)) |
359 | PicoSyncZ80(line_sample*488); |
360 | if (ym2612.dacen && PsndDacLine <= line_sample) |
361 | PsndDoDAC(line_sample); |
362 | if (PsndOut) |
363 | PsndGetSamples(line_sample); |
364 | |
365 | if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80)) { |
366 | PicoSyncZ80(224*488); |
367 | z80_int(); |
368 | } |
369 | if (ym2612.dacen && PsndDacLine <= 224) |
370 | PsndDoDAC(224); |
371 | if (PsndOut) |
372 | PsndGetSamples(224); |
373 | |
374 | // sync z80 |
375 | if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80)) |
376 | PicoSyncZ80(Pico.m.pal ? 151809 : 127671); // cycles adjusted for converter |
377 | if (PsndOut && ym2612.dacen && PsndDacLine <= lines-1) |
378 | PsndDoDAC(lines-1); |
379 | |
380 | timers_cycle(); |
381 | } |
382 | |
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383 | void PDebugCPUStep(void) |
384 | { |
385 | if (PicoAHW & PAHW_SMS) |
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386 | z80_run_nr(1); |
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387 | else |
388 | SekStepM68k(); |
389 | } |
390 | |