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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, |
38 | bit(Pico.m.sram_reg, 4), bit(Pico.m.sram_reg, 2), SRam.eeprom_type); MVP; |
39 | sprintf(dstrp, "sram range: %06x-%06x, reg: %02x\n", SRam.start, SRam.end, Pico.m.sram_reg); MVP; |
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 | |
62 | char *PDebugSpriteList(void) |
63 | { |
64 | struct PicoVideo *pvid=&Pico.video; |
65 | int table=0,u,link=0; |
66 | int max_sprites = 80; |
67 | char *dstrp; |
68 | |
69 | if (!(pvid->reg[12]&1)) |
70 | max_sprites = 64; |
71 | |
72 | dstr[0] = 0; |
73 | dstrp = dstr; |
74 | |
75 | table=pvid->reg[5]&0x7f; |
76 | if (pvid->reg[12]&1) table&=0x7e; // Lowest bit 0 in 40-cell mode |
77 | table<<=8; // Get sprite table address/2 |
78 | |
79 | for (u=0; u < max_sprites; u++) |
80 | { |
81 | unsigned int *sprite; |
82 | int code, code2, sx, sy, height; |
83 | |
84 | sprite=(unsigned int *)(Pico.vram+((table+(link<<2))&0x7ffc)); // Find sprite |
85 | |
86 | // get sprite info |
87 | code = sprite[0]; |
88 | |
89 | // check if it is on this line |
90 | sy = (code&0x1ff)-0x80; |
91 | height = ((code>>24)&3)+1; |
92 | |
93 | // masking sprite? |
94 | code2 = sprite[1]; |
95 | sx = ((code2>>16)&0x1ff)-0x80; |
96 | |
97 | sprintf(dstrp, "#%02i x:%4i y:%4i %ix%i %s\n", u, sx, sy, ((code>>26)&3)+1, height, |
98 | (code2&0x8000)?"hi":"lo"); |
99 | MVP; |
100 | |
101 | link=(code>>16)&0x7f; |
102 | if(!link) break; // End of sprites |
103 | } |
104 | |
105 | return dstr; |
106 | } |
107 | |
108 | #define GREEN1 0x0700 |
109 | #ifdef USE_BGR555 |
110 | #define YELLOW1 0x071c |
111 | #define BLUE1 0xf000 |
112 | #define RED1 0x001e |
113 | #else |
114 | #define YELLOW1 0xe700 |
115 | #define BLUE1 0x001e |
116 | #define RED1 0xf000 |
117 | #endif |
118 | |
119 | static void set16(unsigned short *p, unsigned short d, int cnt) |
120 | { |
121 | while (cnt-- > 0) |
122 | *p++ = d; |
123 | } |
124 | |
125 | void PDebugShowSpriteStats(unsigned short *screen, int stride) |
126 | { |
127 | int lines, i, u, step; |
128 | unsigned short *dest; |
129 | unsigned char *p; |
130 | |
131 | step = (320-4*4-1) / MAX_LINE_SPRITES; |
132 | lines = 240; |
133 | if (!Pico.m.pal || !(Pico.video.reg[1]&8)) |
134 | lines = 224, screen += stride*8; |
135 | |
136 | for (i = 0; i < lines; i++) |
137 | { |
138 | dest = screen + stride*i; |
139 | p = &HighLnSpr[i][0]; |
140 | |
141 | // sprite graphs |
142 | for (u = 0; u < (p[0] & 0x7f); u++) { |
143 | set16(dest, (p[3+u] & 0x80) ? YELLOW1 : GREEN1, step); |
144 | dest += step; |
145 | } |
146 | |
147 | // flags |
148 | dest = screen + stride*i + 320-4*4; |
149 | if (p[1] & 0x40) set16(dest+4*0, GREEN1, 4); |
150 | if (p[1] & 0x80) set16(dest+4*1, YELLOW1, 4); |
151 | if (p[1] & 0x20) set16(dest+4*2, BLUE1, 4); |
152 | if (p[1] & 0x10) set16(dest+4*3, RED1, 4); |
153 | } |
154 | |
155 | // draw grid |
156 | for (i = step*5; i <= 320-4*4-1; i += step*5) { |
157 | for (u = 0; u < lines; u++) |
158 | screen[i + u*stride] = 0x182; |
159 | } |
160 | } |
161 | |
162 | void PDebugShowPalette(unsigned short *screen, int stride) |
163 | { |
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164 | int x, y; |
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165 | |
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166 | Pico.m.dirtyPal = 1; |
167 | if (PicoAHW & PAHW_SMS) |
168 | PicoDoHighPal555M4(); |
169 | else |
170 | PicoDoHighPal555(1); |
171 | Pico.m.dirtyPal = 1; |
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172 | |
173 | screen += 16*stride+8; |
174 | for (y = 0; y < 8*4; y++) |
175 | for (x = 0; x < 8*16; x++) |
176 | screen[x + y*stride] = HighPal[x/8 + (y/8)*16]; |
177 | |
178 | screen += 160; |
179 | for (y = 0; y < 8*4; y++) |
180 | for (x = 0; x < 8*16; x++) |
181 | screen[x + y*stride] = HighPal[(x/8 + (y/8)*16) | 0x40]; |
182 | |
183 | screen += stride*48; |
184 | for (y = 0; y < 8*4; y++) |
185 | for (x = 0; x < 8*16; x++) |
186 | screen[x + y*stride] = HighPal[(x/8 + (y/8)*16) | 0x80]; |
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187 | } |
188 | |
189 | #if defined(DRAW2_OVERRIDE_LINE_WIDTH) |
190 | #define DRAW2_LINE_WIDTH DRAW2_OVERRIDE_LINE_WIDTH |
191 | #else |
192 | #define DRAW2_LINE_WIDTH 328 |
193 | #endif |
194 | |
195 | void PDebugShowSprite(unsigned short *screen, int stride, int which) |
196 | { |
197 | struct PicoVideo *pvid=&Pico.video; |
198 | int table=0,u,link=0,*sprite=0,*fsprite,oldsprite[2]; |
199 | int x,y,max_sprites = 80, oldcol, oldreg; |
200 | |
201 | if (!(pvid->reg[12]&1)) |
202 | max_sprites = 64; |
203 | |
204 | table=pvid->reg[5]&0x7f; |
205 | if (pvid->reg[12]&1) table&=0x7e; // Lowest bit 0 in 40-cell mode |
206 | table<<=8; // Get sprite table address/2 |
207 | |
208 | for (u=0; u < max_sprites && u <= which; u++) |
209 | { |
210 | sprite=(int *)(Pico.vram+((table+(link<<2))&0x7ffc)); // Find sprite |
211 | |
212 | link=(sprite[0]>>16)&0x7f; |
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213 | if (!link) break; // End of sprites |
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214 | } |
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215 | if (u >= max_sprites) return; |
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216 | |
217 | fsprite = (int *)(Pico.vram+(table&0x7ffc)); |
218 | oldsprite[0] = fsprite[0]; |
219 | oldsprite[1] = fsprite[1]; |
220 | fsprite[0] = (sprite[0] & ~0x007f01ff) | 0x000080; |
221 | fsprite[1] = (sprite[1] & ~0x01ff8000) | 0x800000; |
222 | oldreg = pvid->reg[7]; |
223 | oldcol = Pico.cram[0]; |
224 | pvid->reg[7] = 0; |
225 | Pico.cram[0] = 0; |
226 | PicoDrawMask = PDRAW_SPRITES_LOW_ON; |
227 | |
228 | PicoFrameFull(); |
229 | for (y = 0; y < 8*4; y++) |
230 | { |
231 | unsigned char *ps = PicoDraw2FB + DRAW2_LINE_WIDTH*y + 8; |
232 | for (x = 0; x < 8*4; x++) |
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233 | if (ps[x]) screen[x] = HighPal[ps[x]], ps[x] = 0; |
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234 | screen += stride; |
235 | } |
236 | |
237 | fsprite[0] = oldsprite[0]; |
238 | fsprite[1] = oldsprite[1]; |
239 | pvid->reg[7] = oldreg; |
240 | Pico.cram[0] = oldcol; |
241 | PicoDrawMask = -1; |
242 | } |
243 | |
244 | #define dump_ram(ram,fname) \ |
245 | { \ |
246 | unsigned short *sram = (unsigned short *) ram; \ |
247 | FILE *f; \ |
248 | int i; \ |
249 | \ |
250 | for (i = 0; i < sizeof(ram)/2; i++) \ |
251 | sram[i] = (sram[i]<<8) | (sram[i]>>8); \ |
252 | f = fopen(fname, "wb"); \ |
253 | if (f) { \ |
254 | fwrite(ram, 1, sizeof(ram), f); \ |
255 | fclose(f); \ |
256 | } \ |
257 | for (i = 0; i < sizeof(ram)/2; i++) \ |
258 | sram[i] = (sram[i]<<8) | (sram[i]>>8); \ |
259 | } |
260 | |
261 | #define dump_ram_noswab(ram,fname) \ |
262 | { \ |
263 | FILE *f; \ |
264 | f = fopen(fname, "wb"); \ |
265 | if (f) { \ |
266 | fwrite(ram, 1, sizeof(ram), f); \ |
267 | fclose(f); \ |
268 | } \ |
269 | } |
270 | |
271 | void PDebugDumpMem(void) |
272 | { |
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273 | dump_ram_noswab(Pico.zram, "dumps/zram.bin"); |
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274 | dump_ram(Pico.cram, "dumps/cram.bin"); |
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275 | |
276 | if (PicoAHW & PAHW_SMS) |
277 | { |
278 | dump_ram_noswab(Pico.vramb, "dumps/vram.bin"); |
279 | } |
280 | else |
281 | { |
282 | dump_ram(Pico.ram, "dumps/ram.bin"); |
283 | dump_ram(Pico.vram, "dumps/vram.bin"); |
284 | dump_ram(Pico.vsram,"dumps/vsram.bin"); |
285 | } |
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286 | |
287 | if (PicoAHW & PAHW_MCD) |
288 | { |
289 | dump_ram(Pico_mcd->prg_ram, "dumps/prg_ram.bin"); |
290 | if (Pico_mcd->s68k_regs[3]&4) // 1M mode? |
291 | wram_1M_to_2M(Pico_mcd->word_ram2M); |
292 | dump_ram(Pico_mcd->word_ram2M, "dumps/word_ram_2M.bin"); |
293 | wram_2M_to_1M(Pico_mcd->word_ram2M); |
294 | dump_ram(Pico_mcd->word_ram1M[0], "dumps/word_ram_1M_0.bin"); |
295 | dump_ram(Pico_mcd->word_ram1M[1], "dumps/word_ram_1M_1.bin"); |
296 | if (!(Pico_mcd->s68k_regs[3]&4)) // 2M mode? |
297 | wram_2M_to_1M(Pico_mcd->word_ram2M); |
298 | dump_ram_noswab(Pico_mcd->pcm_ram,"dumps/pcm_ram.bin"); |
299 | dump_ram_noswab(Pico_mcd->bram, "dumps/bram.bin"); |
300 | } |
301 | } |
302 | |
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303 | void PDebugZ80Frame(void) |
304 | { |
305 | int lines, line_sample; |
306 | |
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307 | if (PicoAHW & PAHW_SMS) |
308 | return; |
309 | |
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310 | if (Pico.m.pal) { |
311 | lines = 312; |
312 | line_sample = 68; |
313 | } else { |
314 | lines = 262; |
315 | line_sample = 93; |
316 | } |
317 | |
318 | z80_resetCycles(); |
319 | emustatus &= ~1; |
320 | |
321 | if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80)) |
322 | PicoSyncZ80(line_sample*488); |
323 | if (ym2612.dacen && PsndDacLine <= line_sample) |
324 | PsndDoDAC(line_sample); |
325 | if (PsndOut) |
326 | PsndGetSamples(line_sample); |
327 | |
328 | if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80)) { |
329 | PicoSyncZ80(224*488); |
330 | z80_int(); |
331 | } |
332 | if (ym2612.dacen && PsndDacLine <= 224) |
333 | PsndDoDAC(224); |
334 | if (PsndOut) |
335 | PsndGetSamples(224); |
336 | |
337 | // sync z80 |
338 | if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80)) |
339 | PicoSyncZ80(Pico.m.pal ? 151809 : 127671); // cycles adjusted for converter |
340 | if (PsndOut && ym2612.dacen && PsndDacLine <= lines-1) |
341 | PsndDoDAC(lines-1); |
342 | |
343 | timers_cycle(); |
344 | } |
345 | |
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346 | void PDebugCPUStep(void) |
347 | { |
348 | if (PicoAHW & PAHW_SMS) |
349 | z80_run(1); |
350 | else |
351 | SekStepM68k(); |
352 | } |
353 | |