rework sr
[picodrive.git] / pico / pico_int.h
CommitLineData
cff531af 1/*\r
2 * PicoDrive - Internal Header File\r
3 * (c) Copyright Dave, 2004\r
4 * (C) notaz, 2006-2010\r
5 *\r
6 * This work is licensed under the terms of MAME license.\r
7 * See COPYING file in the top-level directory.\r
8 */\r
cc68a136 9\r
eff55556 10#ifndef PICO_INTERNAL_INCLUDED\r
11#define PICO_INTERNAL_INCLUDED\r
cc68a136 12\r
13#include <stdio.h>\r
14#include <stdlib.h>\r
15#include <string.h>\r
efcba75f 16#include "pico.h"\r
f53f286a 17#include "carthw/carthw.h"\r
cc68a136 18\r
89fa852d 19//\r
20#define USE_POLL_DETECT\r
21\r
eff55556 22#ifndef PICO_INTERNAL\r
23#define PICO_INTERNAL\r
24#endif\r
25#ifndef PICO_INTERNAL_ASM\r
26#define PICO_INTERNAL_ASM\r
27#endif\r
cc68a136 28\r
70357ce5 29// to select core, define EMU_C68K, EMU_M68K or EMU_F68K in your makefile or project\r
cc68a136 30\r
31#ifdef __cplusplus\r
32extern "C" {\r
33#endif\r
34\r
35\r
36// ----------------------- 68000 CPU -----------------------\r
37#ifdef EMU_C68K\r
d4d62665 38#include "../cpu/cyclone/Cyclone.h"\r
3aa1e148 39extern struct Cyclone PicoCpuCM68k, PicoCpuCS68k;\r
ae214f1c 40#define SekCyclesLeft PicoCpuCM68k.cycles // cycles left for this run\r
41#define SekCyclesLeftS68k PicoCpuCS68k.cycles\r
3aa1e148 42#define SekPc (PicoCpuCM68k.pc-PicoCpuCM68k.membase)\r
43#define SekPcS68k (PicoCpuCS68k.pc-PicoCpuCS68k.membase)\r
12da51c2 44#define SekDar(x) (x < 8 ? PicoCpuCM68k.d[x] : PicoCpuCM68k.a[x - 8])\r
45#define SekDarS68k(x) (x < 8 ? PicoCpuCS68k.d[x] : PicoCpuCS68k.a[x - 8])\r
5fadfb1c 46#define SekSr CycloneGetSr(&PicoCpuCM68k)\r
12da51c2 47#define SekSrS68k CycloneGetSr(&PicoCpuCS68k)\r
3aa1e148 48#define SekSetStop(x) { PicoCpuCM68k.state_flags&=~1; if (x) { PicoCpuCM68k.state_flags|=1; PicoCpuCM68k.cycles=0; } }\r
49#define SekSetStopS68k(x) { PicoCpuCS68k.state_flags&=~1; if (x) { PicoCpuCS68k.state_flags|=1; PicoCpuCS68k.cycles=0; } }\r
ed4402a7 50#define SekIsStoppedM68k() (PicoCpuCM68k.state_flags&1)\r
ca61ee42 51#define SekIsStoppedS68k() (PicoCpuCS68k.state_flags&1)\r
08769494 52#define SekShouldInterrupt() (PicoCpuCM68k.irq > (PicoCpuCM68k.srh&7))\r
b542be46 53\r
ecc8036e 54#define SekNotPolling PicoCpuCM68k.not_pol\r
55#define SekNotPollingS68k PicoCpuCS68k.not_pol\r
56\r
b542be46 57#define SekInterrupt(i) PicoCpuCM68k.irq=i\r
5fadfb1c 58#define SekIrqLevel PicoCpuCM68k.irq\r
b542be46 59\r
cc68a136 60#endif\r
61\r
70357ce5 62#ifdef EMU_F68K\r
63#include "../cpu/fame/fame.h"\r
b542be46 64extern M68K_CONTEXT PicoCpuFM68k, PicoCpuFS68k;\r
ae214f1c 65#define SekCyclesLeft PicoCpuFM68k.io_cycle_counter\r
66#define SekCyclesLeftS68k PicoCpuFS68k.io_cycle_counter\r
03e4f2a3 67#define SekPc fm68k_get_pc(&PicoCpuFM68k)\r
68#define SekPcS68k fm68k_get_pc(&PicoCpuFS68k)\r
12da51c2 69#define SekDar(x) (x < 8 ? PicoCpuFM68k.dreg[x].D : PicoCpuFM68k.areg[x - 8].D)\r
70#define SekDarS68k(x) (x < 8 ? PicoCpuFS68k.dreg[x].D : PicoCpuFS68k.areg[x - 8].D)\r
5fadfb1c 71#define SekSr PicoCpuFM68k.sr\r
12da51c2 72#define SekSrS68k PicoCpuFS68k.sr\r
70357ce5 73#define SekSetStop(x) { \\r
03e4f2a3 74 PicoCpuFM68k.execinfo &= ~FM68K_HALTED; \\r
75 if (x) { PicoCpuFM68k.execinfo |= FM68K_HALTED; PicoCpuFM68k.io_cycle_counter = 0; } \\r
70357ce5 76}\r
77#define SekSetStopS68k(x) { \\r
03e4f2a3 78 PicoCpuFS68k.execinfo &= ~FM68K_HALTED; \\r
79 if (x) { PicoCpuFS68k.execinfo |= FM68K_HALTED; PicoCpuFS68k.io_cycle_counter = 0; } \\r
70357ce5 80}\r
ed4402a7 81#define SekIsStoppedM68k() (PicoCpuFM68k.execinfo&FM68K_HALTED)\r
ca61ee42 82#define SekIsStoppedS68k() (PicoCpuFS68k.execinfo&FM68K_HALTED)\r
08769494 83#define SekShouldInterrupt() fm68k_would_interrupt()\r
b542be46 84\r
ecc8036e 85#define SekNotPolling PicoCpuFM68k.not_polling\r
86#define SekNotPollingS68k PicoCpuFS68k.not_polling\r
87\r
b542be46 88#define SekInterrupt(irq) PicoCpuFM68k.interrupts[0]=irq\r
5fadfb1c 89#define SekIrqLevel PicoCpuFM68k.interrupts[0]\r
b542be46 90\r
cc68a136 91#endif\r
92\r
93#ifdef EMU_M68K\r
94#include "../cpu/musashi/m68kcpu.h"\r
3aa1e148 95extern m68ki_cpu_core PicoCpuMM68k, PicoCpuMS68k;\r
cc68a136 96#ifndef SekCyclesLeft\r
ae214f1c 97#define SekCyclesLeft PicoCpuMM68k.cyc_remaining_cycles\r
98#define SekCyclesLeftS68k PicoCpuMS68k.cyc_remaining_cycles\r
3aa1e148 99#define SekPc m68k_get_reg(&PicoCpuMM68k, M68K_REG_PC)\r
100#define SekPcS68k m68k_get_reg(&PicoCpuMS68k, M68K_REG_PC)\r
12da51c2 101#define SekDar(x) PicoCpuMM68k.dar[x]\r
102#define SekDarS68k(x) PicoCpuMS68k.dar[x]\r
103#define SekSr m68k_get_reg(&PicoCpuMM68k, M68K_REG_SR)\r
104#define SekSrS68k m68k_get_reg(&PicoCpuMS68k, M68K_REG_SR)\r
7a1f6e45 105#define SekSetStop(x) { \\r
3aa1e148 106 if(x) { SET_CYCLES(0); PicoCpuMM68k.stopped=STOP_LEVEL_STOP; } \\r
107 else PicoCpuMM68k.stopped=0; \\r
7a1f6e45 108}\r
109#define SekSetStopS68k(x) { \\r
3aa1e148 110 if(x) { SET_CYCLES(0); PicoCpuMS68k.stopped=STOP_LEVEL_STOP; } \\r
111 else PicoCpuMS68k.stopped=0; \\r
7a1f6e45 112}\r
ed4402a7 113#define SekIsStoppedM68k() (PicoCpuMM68k.stopped==STOP_LEVEL_STOP)\r
ca61ee42 114#define SekIsStoppedS68k() (PicoCpuMS68k.stopped==STOP_LEVEL_STOP)\r
08769494 115#define SekShouldInterrupt() (CPU_INT_LEVEL > FLAG_INT_MASK)\r
b542be46 116\r
ecc8036e 117#define SekNotPolling PicoCpuMM68k.not_polling\r
118#define SekNotPollingS68k PicoCpuMS68k.not_polling\r
119\r
22814963 120// avoid m68k_set_irq() for delaying to work\r
121#define SekInterrupt(irq) PicoCpuMM68k.int_level = (irq) << 8\r
122#define SekIrqLevel (PicoCpuMM68k.int_level >> 8)\r
b542be46 123\r
cc68a136 124#endif\r
ef090115 125#endif // EMU_M68K\r
cc68a136 126\r
ae214f1c 127// number of cycles done (can be checked anywhere)\r
88fd63ad 128#define SekCyclesDone() (Pico.t.m68c_cnt - SekCyclesLeft)\r
ae214f1c 129\r
130// burn cycles while not in SekRun() and while in\r
88fd63ad 131#define SekCyclesBurn(c) Pico.t.m68c_cnt += c\r
bc3c13d3 132#define SekCyclesBurnRun(c) { \\r
133 SekCyclesLeft -= c; \\r
b8cbd802 134}\r
cc68a136 135\r
ae214f1c 136// note: sometimes may extend timeslice to delay an irq\r
cc68a136 137#define SekEndRun(after) { \\r
88fd63ad 138 Pico.t.m68c_cnt -= SekCyclesLeft - (after); \\r
ae214f1c 139 SekCyclesLeft = after; \\r
cc68a136 140}\r
141\r
ae214f1c 142extern unsigned int SekCycleCntS68k;\r
143extern unsigned int SekCycleAimS68k;\r
144\r
07ceafdb 145#define SekEndRunS68k(after) { \\r
ae214f1c 146 if (SekCyclesLeftS68k > (after)) { \\r
147 SekCycleCntS68k -= SekCyclesLeftS68k - (after); \\r
148 SekCyclesLeftS68k = after; \\r
149 } \\r
07ceafdb 150}\r
151\r
ae214f1c 152#define SekCyclesDoneS68k() (SekCycleCntS68k - SekCyclesLeftS68k)\r
cc68a136 153\r
ae214f1c 154// compare cycles, handling overflows\r
155// check if a > b\r
156#define CYCLES_GT(a, b) \\r
157 ((int)((a) - (b)) > 0)\r
158// check if a >= b\r
159#define CYCLES_GE(a, b) \\r
160 ((int)((a) - (b)) >= 0)\r
cc68a136 161\r
b542be46 162// ----------------------- Z80 CPU -----------------------\r
163\r
b4db550e 164#if defined(_USE_DRZ80)\r
dca310c4 165#include "../cpu/DrZ80/drz80.h"\r
b542be46 166\r
167extern struct DrZ80 drZ80;\r
168\r
169#define z80_run(cycles) ((cycles) - DrZ80Run(&drZ80, cycles))\r
170#define z80_run_nr(cycles) DrZ80Run(&drZ80, cycles)\r
4936aac1 171#define z80_int() drZ80.Z80_IRQ = 1\r
835122bc 172#define z80_int() drZ80.Z80_IRQ = 1\r
173#define z80_nmi() drZ80.Z80IF |= 8\r
4b9c5888 174\r
175#define z80_cyclesLeft drZ80.cycles\r
d1b8bcc6 176#define z80_subCLeft(c) drZ80.cycles -= c\r
19954be1 177#define z80_pc() (drZ80.Z80PC - drZ80.Z80PC_BASE)\r
b542be46 178\r
179#elif defined(_USE_CZ80)\r
dca310c4 180#include "../cpu/cz80/cz80.h"\r
b542be46 181\r
182#define z80_run(cycles) Cz80_Exec(&CZ80, cycles)\r
183#define z80_run_nr(cycles) Cz80_Exec(&CZ80, cycles)\r
184#define z80_int() Cz80_Set_IRQ(&CZ80, 0, HOLD_LINE)\r
835122bc 185#define z80_nmi() Cz80_Set_IRQ(&CZ80, IRQ_LINE_NMI, 0)\r
4b9c5888 186\r
187#define z80_cyclesLeft (CZ80.ICount - CZ80.ExtraCycles)\r
d1b8bcc6 188#define z80_subCLeft(c) CZ80.ICount -= c\r
19954be1 189#define z80_pc() Cz80_Get_Reg(&CZ80, CZ80_PC)\r
b542be46 190\r
191#else\r
192\r
193#define z80_run(cycles) (cycles)\r
194#define z80_run_nr(cycles)\r
195#define z80_int()\r
835122bc 196#define z80_nmi()\r
b542be46 197\r
198#endif\r
199\r
b4db550e 200#define Z80_STATE_SIZE 0x60\r
201\r
4b9c5888 202#define z80_resetCycles() \\r
88fd63ad 203 Pico.t.z80c_cnt = Pico.t.z80c_aim = Pico.t.z80_scanline = 0\r
4b9c5888 204\r
205#define z80_cyclesDone() \\r
88fd63ad 206 (Pico.t.z80c_aim - z80_cyclesLeft)\r
4b9c5888 207\r
3162a710 208#define cycles_68k_to_z80(x) ((x) * 3823 >> 13)\r
4b9c5888 209\r
acd35d4c 210// ----------------------- SH2 CPU -----------------------\r
211\r
41397701 212#include "cpu/sh2/sh2.h"\r
acd35d4c 213\r
1d7a28a7 214extern SH2 sh2s[2];\r
215#define msh2 sh2s[0]\r
216#define ssh2 sh2s[1]\r
217\r
679af8a3 218#ifndef DRC_SH2\r
19886062 219# define sh2_end_run(sh2, after_) do { \\r
220 if ((sh2)->icount > (after_)) { \\r
c1931173 221 (sh2)->cycles_timeslice -= (sh2)->icount - (after_); \\r
19886062 222 (sh2)->icount = after_; \\r
a8fd6e37 223 } \\r
224} while (0)\r
19886062 225# define sh2_cycles_left(sh2) (sh2)->icount\r
8a847c12 226# define sh2_burn_cycles(sh2, n) (sh2)->icount -= n\r
f81107f5 227# define sh2_pc(sh2) (sh2)->ppc\r
679af8a3 228#else\r
19886062 229# define sh2_end_run(sh2, after_) do { \\r
230 int left_ = (signed int)(sh2)->sr >> 12; \\r
231 if (left_ > (after_)) { \\r
c1931173 232 (sh2)->cycles_timeslice -= left_ - (after_); \\r
f4c0720c 233 (sh2)->sr &= 0xfff; \\r
19886062 234 (sh2)->sr |= (after_) << 12; \\r
a8fd6e37 235 } \\r
236} while (0)\r
19886062 237# define sh2_cycles_left(sh2) ((signed int)(sh2)->sr >> 12)\r
8a847c12 238# define sh2_burn_cycles(sh2, n) (sh2)->sr -= ((n) << 12)\r
f81107f5 239# define sh2_pc(sh2) (sh2)->pc\r
679af8a3 240#endif\r
266c6afa 241\r
19886062 242#define sh2_cycles_done(sh2) ((int)(sh2)->cycles_timeslice - sh2_cycles_left(sh2))\r
a7f82a77 243#define sh2_cycles_done_t(sh2) \\r
244 ((sh2)->m68krcycles_done * 3 + sh2_cycles_done(sh2))\r
19886062 245#define sh2_cycles_done_m68k(sh2) \\r
246 ((sh2)->m68krcycles_done + (sh2_cycles_done(sh2) / 3))\r
247\r
4ea707e1 248#define sh2_reg(c, x) (c) ? ssh2.r[x] : msh2.r[x]\r
249#define sh2_gbr(c) (c) ? ssh2.gbr : msh2.gbr\r
250#define sh2_vbr(c) (c) ? ssh2.vbr : msh2.vbr\r
6add7875 251#define sh2_sr(c) (((c) ? ssh2.sr : msh2.sr) & 0xfff)\r
acd35d4c 252\r
83ff19ec 253#define sh2_set_gbr(c, v) \\r
254 { if (c) ssh2.gbr = v; else msh2.gbr = v; }\r
255#define sh2_set_vbr(c, v) \\r
256 { if (c) ssh2.vbr = v; else msh2.vbr = v; }\r
257\r
f8675e28 258#define elprintf_sh2(sh2, w, f, ...) \\r
259 elprintf(w,"%csh2 "f,(sh2)->is_slave?'s':'m',##__VA_ARGS__)\r
260\r
cc68a136 261// ---------------------------------------------------------\r
262\r
263// main oscillator clock which controls timing\r
264#define OSC_NTSC 53693100\r
b8cbd802 265#define OSC_PAL 53203424\r
cc68a136 266\r
e42a47e2 267// PicoVideo.debug_p\r
e0bcb7a9 268#define PVD_KILL_A (1 << 0)\r
269#define PVD_KILL_B (1 << 1)\r
270#define PVD_KILL_S_LO (1 << 2)\r
271#define PVD_KILL_S_HI (1 << 3)\r
272#define PVD_KILL_32X (1 << 4)\r
273#define PVD_FORCE_A (1 << 5)\r
274#define PVD_FORCE_B (1 << 6)\r
275#define PVD_FORCE_S (1 << 7)\r
276\r
e42a47e2 277// PicoVideo.status, not part of real SR\r
278#define SR_PAL (1 << 0)\r
279#define SR_DMA (1 << 1)\r
280#define SR_HB (1 << 2)\r
281#define SR_VB (1 << 3)\r
282#define SR_ODD (1 << 4)\r
283#define SR_C (1 << 5)\r
284#define SR_SOVR (1 << 6)\r
285#define SR_F (1 << 7)\r
286#define SR_FULL (1 << 8)\r
287#define SR_EMPT (1 << 9)\r
288// not part of real SR\r
289#define PVS_ACTIVE (1 << 16)\r
0e4bde9b 290#define PVS_VB2 (1 << 17) // ignores forced blanking\r
e42a47e2 291\r
cc68a136 292struct PicoVideo\r
293{\r
294 unsigned char reg[0x20];\r
b8cbd802 295 unsigned int command; // 32-bit Command\r
296 unsigned char pending; // 1 if waiting for second half of 32-bit command\r
297 unsigned char type; // Command type (v/c/vsram read/write)\r
298 unsigned short addr; // Read/Write address\r
e42a47e2 299 unsigned int status; // Status bits (SR) and extra flags\r
cc68a136 300 unsigned char pending_ints; // pending interrupts: ??VH????\r
b8cbd802 301 signed char lwrite_cnt; // VDP write count during active display line\r
9761a7d0 302 unsigned short v_counter; // V-counter\r
e0bcb7a9 303 unsigned short debug; // raw debug register\r
304 unsigned char debug_p; // ... parsed: PVD_*\r
e42a47e2 305 unsigned char addr_u; // bit16 of .addr\r
306 unsigned char hint_cnt;\r
307 unsigned char pad[0x0b];\r
cc68a136 308};\r
309\r
310struct PicoMisc\r
311{\r
312 unsigned char rotate;\r
313 unsigned char z80Run;\r
e5503e2f 314 unsigned char padTHPhase[2]; // 02 phase of gamepad TH switches\r
2aa27095 315 unsigned short scanline; // 04 0 to 261||311\r
e5503e2f 316 char dirtyPal; // 06 Is the palette dirty (1 - change @ this frame, 2 - some time before)\r
317 unsigned char hardware; // 07 Hardware value for country\r
318 unsigned char pal; // 08 1=PAL 0=NTSC\r
45f2f245 319 unsigned char sram_reg; // 09 SRAM reg. See SRR_* below\r
e5503e2f 320 unsigned short z80_bank68k; // 0a\r
be2c4208 321 unsigned short pad0;\r
fa8fb754 322 unsigned char ncart_in; // 0e !cart_in\r
0ace9b9a 323 unsigned char z80_reset; // 0f z80 reset held\r
e5503e2f 324 unsigned char padDelay[2]; // 10 gamepad phase time outs, so we count a delay\r
1dceadae 325 unsigned short eeprom_addr; // EEPROM address register\r
45f2f245 326 unsigned char eeprom_cycle; // EEPROM cycle number\r
1dceadae 327 unsigned char eeprom_slave; // EEPROM slave word for X24C02 and better SRAMs\r
45f2f245 328 unsigned char eeprom_status;\r
be2c4208 329 unsigned char pad2;\r
053fd9b4 330 unsigned short dma_xfers; // 18\r
45f2f245 331 unsigned char eeprom_wb[2]; // EEPROM latch/write buffer\r
053fd9b4 332 unsigned int frame_count; // 1c for movies and idle det\r
cc68a136 333};\r
334\r
b4db550e 335struct PicoMS\r
336{\r
337 unsigned char carthw[0x10];\r
338 unsigned char io_ctl;\r
835122bc 339 unsigned char nmi_state;\r
340 unsigned char pad[0x4e];\r
b4db550e 341};\r
342\r
ea38612f 343// emu state and data for the asm code\r
344struct PicoEState\r
345{\r
346 int DrawScanline;\r
347 int rendstatus;\r
98a27142 348 void *DrawLineDest; // draw destination\r
99bdfd31 349 unsigned char *HighCol;\r
350 int *HighPreSpr;\r
88fd63ad 351 struct Pico *Pico;\r
352 void *PicoMem_vram;\r
353 void *PicoMem_cram;\r
99bdfd31 354 int *PicoOpt;\r
98a27142 355 unsigned char *Draw2FB;\r
356 unsigned short HighPal[0x100];\r
ea38612f 357};\r
358\r
88fd63ad 359// some assembly stuff still depends on these, do not touch!\r
360struct PicoMem\r
cc68a136 361{\r
362 unsigned char ram[0x10000]; // 0x00000 scratch ram\r
200772b7 363 union { // vram is byteswapped for easier reads when drawing\r
2ec9bec5 364 unsigned short vram[0x8000]; // 0x10000\r
365 unsigned char vramb[0x4000]; // VRAM in SMS mode\r
366 };\r
cc68a136 367 unsigned char zram[0x2000]; // 0x20000 Z80 ram\r
b4db550e 368 unsigned char ioports[0x10]; // XXX: fix asm and mv\r
369 unsigned char pad[0xf0]; // unused\r
cc68a136 370 unsigned short cram[0x40]; // 0x22100\r
371 unsigned short vsram[0x40]; // 0x22180\r
cc68a136 372};\r
373\r
374// sram\r
45f2f245 375#define SRR_MAPPED (1 << 0)\r
376#define SRR_READONLY (1 << 1)\r
377\r
378#define SRF_ENABLED (1 << 0)\r
379#define SRF_EEPROM (1 << 1)\r
af37bca8 380\r
88fd63ad 381struct PicoCartSave\r
cc68a136 382{\r
4ff2d527 383 unsigned char *data; // actual data\r
384 unsigned int start; // start address in 68k address space\r
cc68a136 385 unsigned int end;\r
45f2f245 386 unsigned char flags; // 0c: SRF_*\r
1dceadae 387 unsigned char unused2;\r
cc68a136 388 unsigned char changed;\r
45f2f245 389 unsigned char eeprom_type; // eeprom type: 0: 7bit (24C01), 2: 2 addr words (X24C02+), 3: 3 addr words\r
390 unsigned char unused3;\r
1dceadae 391 unsigned char eeprom_bit_cl; // bit number for cl\r
392 unsigned char eeprom_bit_in; // bit number for in\r
393 unsigned char eeprom_bit_out; // bit number for out\r
45f2f245 394 unsigned int size;\r
cc68a136 395};\r
396\r
88fd63ad 397struct PicoTiming\r
398{\r
399 // while running, cnt represents target of current timeslice\r
400 // while not in SekRun(), it's actual cycles done\r
401 // (but always use SekCyclesDone() if you need current position)\r
402 // _cnt may change if timeslice is ended prematurely or extended,\r
403 // so we use _aim for the actual target\r
404 unsigned int m68c_cnt;\r
405 unsigned int m68c_aim;\r
406 unsigned int m68c_frame_start; // m68k cycles\r
407 unsigned int m68c_line_start;\r
408\r
409 unsigned int z80c_cnt; // z80 cycles done (this frame)\r
410 unsigned int z80c_aim;\r
411 int z80_scanline;\r
412};\r
413\r
414// run tools/mkoffsets pico/pico_int_o32.h if you change these\r
415// careful with savestate compat\r
416struct Pico\r
417{\r
418 struct PicoVideo video;\r
419 struct PicoMisc m;\r
420 struct PicoTiming t;\r
421 struct PicoCartSave sv;\r
422 struct PicoEState est;\r
423 struct PicoMS ms;\r
424\r
425 unsigned char *rom;\r
426 unsigned int romsize;\r
427};\r
428\r
cc68a136 429// MCD\r
33be04ca 430#define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1)\r
431\r
4f265db7 432struct mcd_pcm\r
433{\r
434 unsigned char control; // reg7\r
435 unsigned char enabled; // reg8\r
436 unsigned char cur_ch;\r
437 unsigned char bank;\r
33be04ca 438 unsigned int update_cycles;\r
4f265db7 439\r
4ff2d527 440 struct pcm_chan // 08, size 0x10\r
4f265db7 441 {\r
442 unsigned char regs[8];\r
4ff2d527 443 unsigned int addr; // .08: played sample address\r
4f265db7 444 int pad;\r
445 } ch[8];\r
446};\r
447\r
4fb43555 448#define PCD_ST_S68K_RST 1\r
449\r
c459aefd 450struct mcd_misc\r
451{\r
6901d0e4 452 unsigned short hint_vector;\r
453 unsigned char busreq; // not s68k_regs[1]\r
454 unsigned char s68k_pend_ints;\r
455 unsigned int state_flags; // 04\r
456 unsigned int stopwatch_base_c;\r
457 unsigned short m68k_poll_a;\r
458 unsigned short m68k_poll_cnt;\r
459 unsigned short s68k_poll_a;\r
460 unsigned short s68k_poll_cnt;\r
461 unsigned int s68k_poll_clk;\r
462 unsigned char bcram_reg; // 18: battery-backed RAM cart register\r
463 unsigned char dmna_ret_2m;\r
464 unsigned char need_sync;\r
465 unsigned char pad3;\r
466 int pad4[9];\r
c459aefd 467};\r
468\r
cc68a136 469typedef struct\r
470{\r
3f23709e 471 unsigned char bios[0x20000]; // 000000: 128K\r
472 union { // 020000: 512K\r
473 unsigned char prg_ram[0x80000];\r
474 unsigned char prg_ram_b[4][0x20000];\r
475 };\r
476 union { // 0a0000: 256K\r
477 struct {\r
478 unsigned char word_ram2M[0x40000];\r
479 unsigned char unused0[0x20000];\r
480 };\r
481 struct {\r
482 unsigned char unused1[0x20000];\r
483 unsigned char word_ram1M[2][0x20000];\r
484 };\r
485 };\r
486 union { // 100000: 64K\r
487 unsigned char pcm_ram[0x10000];\r
488 unsigned char pcm_ram_b[0x10][0x1000];\r
489 };\r
f47d0a28 490 unsigned char s68k_regs[0x200]; // 110000: GA, not CPU regs\r
3f23709e 491 unsigned char bram[0x2000]; // 110200: 8K\r
492 struct mcd_misc m; // 112200: misc\r
493 struct mcd_pcm pcm; // 112240:\r
274fcc35 494 void *cdda_stream;\r
495 int cdda_type;\r
3f23709e 496 int pcm_mixbuf[PCM_MIXBUF_LEN * 2];\r
497 int pcm_mixpos;\r
498 char pcm_mixbuf_dirty;\r
499 char pcm_regs_dirty;\r
cc68a136 500} mcd_state;\r
501\r
be2c4208 502// XXX: this will need to be reworked for cart+cd support.\r
cc68a136 503#define Pico_mcd ((mcd_state *)Pico.rom)\r
504\r
be2c4208 505// 32X\r
acd35d4c 506#define P32XS_FM (1<<15)\r
fa8fb754 507#define P32XS_nCART (1<< 8)\r
83ff19ec 508#define P32XS_REN (1<< 7)\r
509#define P32XS_nRES (1<< 1)\r
510#define P32XS_ADEN (1<< 0)\r
acd35d4c 511#define P32XS2_ADEN (1<< 9)\r
5e128c6d 512#define P32XS_FULL (1<< 7) // DREQ FIFO full\r
4ea707e1 513#define P32XS_68S (1<< 2)\r
97d3f47f 514#define P32XS_DMA (1<< 1)\r
4ea707e1 515#define P32XS_RV (1<< 0)\r
acd35d4c 516\r
5e128c6d 517#define P32XV_nPAL (1<<15) // VDP\r
acd35d4c 518#define P32XV_PRI (1<< 7)\r
4ea707e1 519#define P32XV_Mx (3<< 0) // display mode mask\r
974fdb5b 520\r
e51e5983 521#define P32XV_SFT (1<< 0)\r
522\r
acd35d4c 523#define P32XV_VBLK (1<<15)\r
524#define P32XV_HBLK (1<<14)\r
525#define P32XV_PEN (1<<13)\r
526#define P32XV_nFEN (1<< 1)\r
527#define P32XV_FS (1<< 0)\r
974fdb5b 528\r
df63f1a6 529#define P32XP_RTP (1<<7) // PWM control\r
530#define P32XP_FULL (1<<15) // PWM pulse\r
db1d3564 531#define P32XP_EMPTY (1<<14)\r
532\r
419973a6 533#define P32XF_68KCPOLL (1 << 0)\r
534#define P32XF_68KVPOLL (1 << 1)\r
535#define P32XF_Z80_32X_IO (1 << 7) // z80 does 32x io\r
4ea707e1 536\r
537#define P32XI_VRES (1 << 14/2) // IRL/2\r
538#define P32XI_VINT (1 << 12/2)\r
539#define P32XI_HINT (1 << 10/2)\r
540#define P32XI_CMD (1 << 8/2)\r
541#define P32XI_PWM (1 << 6/2)\r
542\r
1d7a28a7 543// peripheral reg access\r
544#define PREG8(regs,offs) ((unsigned char *)regs)[offs ^ 3]\r
545\r
7eaa3812 546#define DMAC_FIFO_LEN (4*2)\r
db1d3564 547#define PWM_BUFF_LEN 1024 // in one channel samples\r
266c6afa 548\r
f4bb5d6b 549#define SH2_DRCBLK_RAM_SHIFT 1\r
550#define SH2_DRCBLK_DA_SHIFT 1\r
551\r
f81107f5 552#define SH2_READ_SHIFT 25\r
e05b81fc 553#define SH2_WRITE_SHIFT 25\r
554\r
be2c4208 555struct Pico32x\r
556{\r
557 unsigned short regs[0x20];\r
5a681086 558 unsigned short vdp_regs[0x10]; // 0x40\r
559 unsigned short sh2_regs[3]; // 0x60\r
be2c4208 560 unsigned char pending_fb;\r
974fdb5b 561 unsigned char dirty_pal;\r
266c6afa 562 unsigned int emu_flags;\r
4ea707e1 563 unsigned char sh2irq_mask[2];\r
564 unsigned char sh2irqi[2]; // individual\r
565 unsigned int sh2irqs; // common irqs\r
566 unsigned short dmac_fifo[DMAC_FIFO_LEN];\r
7eaa3812 567 unsigned int pad[4];\r
df63f1a6 568 unsigned int dmac0_fifo_ptr;\r
4a1fb183 569 unsigned short vdp_fbcr_fake;\r
7eaa3812 570 unsigned short pad2;\r
a8fd6e37 571 unsigned char comm_dirty_68k;\r
572 unsigned char comm_dirty_sh2;\r
df63f1a6 573 unsigned char pwm_irq_cnt;\r
574 unsigned char pad1;\r
a7f82a77 575 unsigned short pwm_p[2]; // pwm pos in fifo\r
576 unsigned int pwm_cycle_p; // pwm play cursor (32x cycles)\r
577 unsigned int reserved[6];\r
974fdb5b 578};\r
579\r
580struct Pico32xMem\r
581{\r
582 unsigned char sdram[0x40000];\r
f4bb5d6b 583#ifdef DRC_SH2\r
584 unsigned short drcblk_ram[1 << (18 - SH2_DRCBLK_RAM_SHIFT)];\r
585#endif\r
b78efee2 586 unsigned short dram[2][0x20000/2]; // AKA fb\r
b4db550e 587 union {\r
588 unsigned char m68k_rom[0x100];\r
589 unsigned char m68k_rom_bank[0x10000]; // M68K_BANK_SIZE\r
590 };\r
f4bb5d6b 591#ifdef DRC_SH2\r
592 unsigned short drcblk_da[2][1 << (12 - SH2_DRCBLK_DA_SHIFT)];\r
593#endif\r
895d1512 594 union {\r
595 unsigned char b[0x800];\r
596 unsigned short w[0x800/2];\r
597 } sh2_rom_m;\r
598 union {\r
599 unsigned char b[0x400];\r
600 unsigned short w[0x400/2];\r
601 } sh2_rom_s;\r
974fdb5b 602 unsigned short pal[0x100];\r
5e128c6d 603 unsigned short pal_native[0x100]; // converted to native (for renderer)\r
db1d3564 604 signed short pwm[2*PWM_BUFF_LEN]; // PWM buffer for current frame\r
8ce9c3a7 605 signed short pwm_current[2]; // current converted samples\r
606 unsigned short pwm_fifo[2][4]; // [0] - current raw, others - fifo entries\r
be2c4208 607};\r
d49b10c2 608\r
c8d1e9b6 609// area.c\r
fad24893 610extern void (*PicoLoadStateHook)(void);\r
51a902ae 611\r
945c2fdc 612typedef struct {\r
613 int chunk;\r
614 int size;\r
615 void *ptr;\r
616} carthw_state_chunk;\r
617extern carthw_state_chunk *carthw_chunks;\r
618#define CHUNK_CARTHW 64\r
619\r
c8d1e9b6 620// cart.c\r
b4db550e 621extern int PicoCartResize(int newsize);\r
622extern void Byteswap(void *dst, const void *src, int len);\r
45f2f245 623extern void (*PicoCartMemSetup)(void);\r
e807ac75 624extern void (*PicoCartUnloadHook)(void);\r
1dceadae 625\r
c8d1e9b6 626// debug.c\r
b5e5172d 627int CM_compareRun(int cyc, int is_sub);\r
03e4f2a3 628\r
c8d1e9b6 629// draw.c\r
99bdfd31 630void PicoDrawInit(void);\r
eff55556 631PICO_INTERNAL void PicoFrameStart(void);\r
b6d7ac70 632void PicoDrawSync(int to, int blank_last_line);\r
99bdfd31 633void BackFill(int reg7, int sh, struct PicoEState *est);\r
ea38612f 634void FinalizeLine555(int sh, int line, struct PicoEState *est);\r
f4750ee0 635extern int (*PicoScanBegin)(unsigned int num);\r
636extern int (*PicoScanEnd)(unsigned int num);\r
f579f7b8 637#define MAX_LINE_SPRITES 29\r
638extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];\r
5a681086 639extern void *DrawLineDestBase;\r
640extern int DrawLineDestIncrement;\r
cc68a136 641\r
c8d1e9b6 642// draw2.c\r
98a27142 643void PicoDraw2Init(void);\r
eff55556 644PICO_INTERNAL void PicoFrameFull();\r
cc68a136 645\r
200772b7 646// mode4.c\r
647void PicoFrameStartMode4(void);\r
648void PicoLineMode4(int line);\r
649void PicoDoHighPal555M4(void);\r
5a681086 650void PicoDrawSetOutputMode4(pdso_t which);\r
200772b7 651\r
c8d1e9b6 652// memory.c\r
eff55556 653PICO_INTERNAL void PicoMemSetup(void);\r
af37bca8 654unsigned int PicoRead8_io(unsigned int a);\r
655unsigned int PicoRead16_io(unsigned int a);\r
656void PicoWrite8_io(unsigned int a, unsigned int d);\r
657void PicoWrite16_io(unsigned int a, unsigned int d);\r
658\r
659// pico/memory.c\r
660PICO_INTERNAL void PicoMemSetupPico(void);\r
cc68a136 661\r
3f23709e 662// cd/cdc.c\r
663void cdc_init(void);\r
664void cdc_reset(void);\r
665int cdc_context_save(unsigned char *state);\r
666int cdc_context_load(unsigned char *state);\r
667int cdc_context_load_old(unsigned char *state);\r
668void cdc_dma_update(void);\r
669int cdc_decoder_update(unsigned char header[4]);\r
670void cdc_reg_w(unsigned char data);\r
671unsigned char cdc_reg_r(void);\r
672unsigned short cdc_host_r(void);\r
673\r
274fcc35 674// cd/cdd.c\r
675void cdd_reset(void);\r
676int cdd_context_save(unsigned char *state);\r
677int cdd_context_load(unsigned char *state);\r
678int cdd_context_load_old(unsigned char *state);\r
679void cdd_read_data(unsigned char *dst);\r
680void cdd_read_audio(unsigned int samples);\r
681void cdd_update(void);\r
682void cdd_process(void);\r
683\r
684// cd/cd_image.c\r
685int load_cd_image(const char *cd_img_name, int *type);\r
686\r
a93a80de 687// cd/gfx.c\r
688void gfx_init(void);\r
689void gfx_start(unsigned int base);\r
690void gfx_update(unsigned int cycles);\r
691int gfx_context_save(unsigned char *state);\r
692int gfx_context_load(const unsigned char *state);\r
693\r
694// cd/gfx_dma.c\r
695void DmaSlowCell(unsigned int source, unsigned int a, int len, unsigned char inc);\r
696\r
c8d1e9b6 697// cd/memory.c\r
eff55556 698PICO_INTERNAL void PicoMemSetupCD(void);\r
fa8fb754 699unsigned int PicoRead8_mcd_io(unsigned int a);\r
700unsigned int PicoRead16_mcd_io(unsigned int a);\r
701void PicoWrite8_mcd_io(unsigned int a, unsigned int d);\r
702void PicoWrite16_mcd_io(unsigned int a, unsigned int d);\r
ae214f1c 703void pcd_state_loaded_mem(void);\r
cc68a136 704\r
c8d1e9b6 705// pico.c\r
cc68a136 706extern struct Pico Pico;\r
88fd63ad 707extern struct PicoMem PicoMem;\r
5f9a0d16 708extern int PicoPadInt[2];\r
cc68a136 709extern int emustatus;\r
f8ef8ff7 710extern void (*PicoResetHook)(void);\r
b0677887 711extern void (*PicoLineHook)(void);\r
1e6b5e39 712PICO_INTERNAL int CheckDMA(void);\r
713PICO_INTERNAL void PicoDetectRegion(void);\r
ae214f1c 714PICO_INTERNAL void PicoSyncZ80(unsigned int m68k_cycles_done);\r
cc68a136 715\r
89dbbf2b 716// cd/mcd.c\r
ae214f1c 717#define PCDS_IEN1 (1<<1)\r
718#define PCDS_IEN2 (1<<2)\r
719#define PCDS_IEN3 (1<<3)\r
720#define PCDS_IEN4 (1<<4)\r
721#define PCDS_IEN5 (1<<5)\r
722#define PCDS_IEN6 (1<<6)\r
cc68a136 723\r
2aa27095 724PICO_INTERNAL void PicoInitMCD(void);\r
e5f426aa 725PICO_INTERNAL void PicoExitMCD(void);\r
1cb1584b 726PICO_INTERNAL void PicoPowerMCD(void);\r
2aa27095 727PICO_INTERNAL int PicoResetMCD(void);\r
728PICO_INTERNAL void PicoFrameMCD(void);\r
cc68a136 729\r
ae214f1c 730enum pcd_event {\r
731 PCD_EVENT_CDC,\r
732 PCD_EVENT_TIMER3,\r
733 PCD_EVENT_GFX,\r
734 PCD_EVENT_DMA,\r
735 PCD_EVENT_COUNT,\r
736};\r
737extern unsigned int pcd_event_times[PCD_EVENT_COUNT];\r
738void pcd_event_schedule(unsigned int now, enum pcd_event event, int after);\r
739void pcd_event_schedule_s68k(enum pcd_event event, int after);\r
a6523294 740void pcd_prepare_frame(void);\r
ae214f1c 741unsigned int pcd_cycles_m68k_to_s68k(unsigned int c);\r
08769494 742int pcd_sync_s68k(unsigned int m68k_target, int m68k_poll_sync);\r
fa8fb754 743void pcd_run_cpus(int m68k_cycles);\r
d0132772 744void pcd_soft_reset(void);\r
ae214f1c 745void pcd_state_loaded(void);\r
746\r
33be04ca 747// cd/pcm.c\r
748void pcd_pcm_sync(unsigned int to);\r
749void pcd_pcm_update(int *buffer, int length, int stereo);\r
750void pcd_pcm_write(unsigned int a, unsigned int d);\r
751unsigned int pcd_pcm_read(unsigned int a);\r
752\r
c8d1e9b6 753// pico/pico.c\r
2aa27095 754PICO_INTERNAL void PicoInitPico(void);\r
ed367a3f 755PICO_INTERNAL void PicoReratePico(void);\r
9037e45d 756\r
c8d1e9b6 757// pico/xpcm.c\r
ef4eb506 758PICO_INTERNAL void PicoPicoPCMUpdate(short *buffer, int length, int stereo);\r
759PICO_INTERNAL void PicoPicoPCMReset(void);\r
213c16ad 760PICO_INTERNAL void PicoPicoPCMRerate(int xpcm_rate);\r
ef4eb506 761\r
c8d1e9b6 762// sek.c\r
2aa27095 763PICO_INTERNAL void SekInit(void);\r
764PICO_INTERNAL int SekReset(void);\r
3aa1e148 765PICO_INTERNAL void SekState(int *data);\r
eff55556 766PICO_INTERNAL void SekSetRealTAS(int use_real);\r
b4db550e 767PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub);\r
768PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub);\r
5f9a0d16 769void SekStepM68k(void);\r
053fd9b4 770void SekInitIdleDet(void);\r
771void SekFinishIdleDet(void);\r
12da51c2 772#if defined(CPU_CMP_R) || defined(CPU_CMP_W)\r
773void SekTrace(int is_s68k);\r
774#else\r
775#define SekTrace(x)\r
776#endif\r
cc68a136 777\r
c8d1e9b6 778// cd/sek.c\r
2aa27095 779PICO_INTERNAL void SekInitS68k(void);\r
780PICO_INTERNAL int SekResetS68k(void);\r
781PICO_INTERNAL int SekInterruptS68k(int irq);\r
3f23709e 782void SekInterruptClearS68k(int irq);\r
cc68a136 783\r
7a93adeb 784// sound/sound.c\r
c9e1affc 785extern short cdda_out_buffer[2*1152];\r
7a93adeb 786extern int PsndLen_exc_cnt;\r
787extern int PsndLen_exc_add;\r
48dc74f2 788extern int timer_a_next_oflow, timer_a_step; // in z80 cycles\r
789extern int timer_b_next_oflow, timer_b_step;\r
43e6eaad 790\r
274fcc35 791void cdda_start_play(int lba_base, int lba_offset, int lb_len);\r
792\r
43e6eaad 793void ym2612_sync_timers(int z80_cycles, int mode_old, int mode_new);\r
d2721b08 794void ym2612_pack_state(void);\r
453d2a6e 795void ym2612_unpack_state(void);\r
4b9c5888 796\r
e53704e6 797#define TIMER_NO_OFLOW 0x70000000\r
45a1ef71 798// tA = 72 * (1024 - NA) / M\r
799#define TIMER_A_TICK_ZCYCLES 17203\r
800// tB = 1152 * (256 - NA) / M\r
801#define TIMER_B_TICK_ZCYCLES 262800 // 275251 broken, see Dai Makaimura\r
e53704e6 802\r
4b9c5888 803#define timers_cycle() \\r
e53704e6 804 if (timer_a_next_oflow > 0 && timer_a_next_oflow < TIMER_NO_OFLOW) \\r
43e6eaad 805 timer_a_next_oflow -= Pico.m.pal ? 70938*256 : 59659*256; \\r
e53704e6 806 if (timer_b_next_oflow > 0 && timer_b_next_oflow < TIMER_NO_OFLOW) \\r
43e6eaad 807 timer_b_next_oflow -= Pico.m.pal ? 70938*256 : 59659*256; \\r
808 ym2612_sync_timers(0, ym2612.OPN.ST.mode, ym2612.OPN.ST.mode);\r
4b9c5888 809\r
810#define timers_reset() \\r
e53704e6 811 timer_a_next_oflow = timer_b_next_oflow = TIMER_NO_OFLOW; \\r
48dc74f2 812 timer_a_step = TIMER_A_TICK_ZCYCLES * 1024; \\r
813 timer_b_step = TIMER_B_TICK_ZCYCLES * 256;\r
43e6eaad 814\r
7a93adeb 815\r
c8d1e9b6 816// videoport.c\r
eff55556 817PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d);\r
818PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a);\r
75b84e4b 819unsigned char PicoVideoRead8DataH(void);\r
820unsigned char PicoVideoRead8DataL(void);\r
821unsigned char PicoVideoRead8CtlH(void);\r
822unsigned char PicoVideoRead8CtlL(void);\r
823unsigned char PicoVideoRead8HV_H(void);\r
824unsigned char PicoVideoRead8HV_L(void);\r
0c7d1ba3 825extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask);\r
cc68a136 826\r
c8d1e9b6 827// misc.c\r
eff55556 828PICO_INTERNAL_ASM void memcpy16(unsigned short *dest, unsigned short *src, int count);\r
829PICO_INTERNAL_ASM void memcpy16bswap(unsigned short *dest, void *src, int count);\r
fbba0ff6 830PICO_INTERNAL_ASM void memcpy32(void *dest, const void *src, int count); // 32bit word count\r
831PICO_INTERNAL_ASM void memset32(void *dest, int c, int count);\r
cc68a136 832\r
45f2f245 833// eeprom.c\r
834void EEPROM_write8(unsigned int a, unsigned int d);\r
835void EEPROM_write16(unsigned int d);\r
836unsigned int EEPROM_read(void);\r
837\r
c8d1e9b6 838// z80 functionality wrappers\r
839PICO_INTERNAL void z80_init(void);\r
b4db550e 840PICO_INTERNAL void z80_pack(void *data);\r
841PICO_INTERNAL int z80_unpack(const void *data);\r
c8d1e9b6 842PICO_INTERNAL void z80_reset(void);\r
843PICO_INTERNAL void z80_exit(void);\r
c8d1e9b6 844\r
845// cd/misc.c\r
eff55556 846PICO_INTERNAL_ASM void wram_2M_to_1M(unsigned char *m);\r
847PICO_INTERNAL_ASM void wram_1M_to_2M(unsigned char *m);\r
848\r
eff55556 849// sound/sound.c\r
9d917eea 850PICO_INTERNAL void PsndReset(void);\r
4f2cdbf5 851PICO_INTERNAL void PsndStartFrame(void);\r
4b9c5888 852PICO_INTERNAL void PsndDoDAC(int line_to);\r
5d638db0 853PICO_INTERNAL void PsndDoPSG(int line_to);\r
9d917eea 854PICO_INTERNAL void PsndClear(void);\r
7b3f44c6 855PICO_INTERNAL void PsndGetSamples(int y);\r
2ec9bec5 856PICO_INTERNAL void PsndGetSamplesMS(void);\r
5d638db0 857extern int PsndDacLine, PsndPsgLine;\r
cc68a136 858\r
3e49ffd0 859// sms.c\r
f3a57b2d 860#ifndef NO_SMS\r
3e49ffd0 861void PicoPowerMS(void);\r
2ec9bec5 862void PicoResetMS(void);\r
3e49ffd0 863void PicoMemSetupMS(void);\r
b4db550e 864void PicoStateLoadedMS(void);\r
3e49ffd0 865void PicoFrameMS(void);\r
87b0845f 866void PicoFrameDrawOnlyMS(void);\r
f3a57b2d 867#else\r
868#define PicoPowerMS()\r
869#define PicoResetMS()\r
870#define PicoMemSetupMS()\r
871#define PicoStateLoadedMS()\r
872#define PicoFrameMS()\r
873#define PicoFrameDrawOnlyMS()\r
874#endif\r
3e49ffd0 875\r
be2c4208 876// 32x/32x.c\r
f3a57b2d 877#ifndef NO_32X\r
be2c4208 878extern struct Pico32x Pico32x;\r
6a98f03e 879enum p32x_event {\r
880 P32X_EVENT_PWM,\r
881 P32X_EVENT_FILLEND,\r
5ac99d9a 882 P32X_EVENT_HINT,\r
6a98f03e 883 P32X_EVENT_COUNT,\r
884};\r
ae214f1c 885extern unsigned int p32x_event_times[P32X_EVENT_COUNT];\r
6a98f03e 886\r
be2c4208 887void Pico32xInit(void);\r
974fdb5b 888void PicoPower32x(void);\r
be2c4208 889void PicoReset32x(void);\r
974fdb5b 890void Pico32xStartup(void);\r
5e49c3a8 891void PicoUnload32x(void);\r
974fdb5b 892void PicoFrame32x(void);\r
27e26273 893void Pico32xStateLoaded(int is_early);\r
ed4402a7 894void p32x_sync_sh2s(unsigned int m68k_target);\r
19886062 895void p32x_sync_other_sh2(SH2 *sh2, unsigned int m68k_target);\r
4d5dfee8 896void p32x_update_irls(SH2 *active_sh2, int m68k_cycles);\r
9e1fa0a6 897void p32x_trigger_irq(SH2 *sh2, int m68k_cycles, unsigned int mask);\r
898void p32x_update_cmd_irq(SH2 *sh2, int m68k_cycles);\r
83ff19ec 899void p32x_reset_sh2s(void);\r
19886062 900void p32x_event_schedule(unsigned int now, enum p32x_event event, int after);\r
901void p32x_event_schedule_sh2(SH2 *sh2, enum p32x_event event, int after);\r
5ac99d9a 902void p32x_schedule_hint(SH2 *sh2, int m68k_cycles);\r
a8fd6e37 903\r
be2c4208 904// 32x/memory.c\r
88fd63ad 905extern struct Pico32xMem *Pico32xMem;\r
be2c4208 906unsigned int PicoRead8_32x(unsigned int a);\r
907unsigned int PicoRead16_32x(unsigned int a);\r
908void PicoWrite8_32x(unsigned int a, unsigned int d);\r
909void PicoWrite16_32x(unsigned int a, unsigned int d);\r
910void PicoMemSetup32x(void);\r
974fdb5b 911void Pico32xSwapDRAM(int b);\r
27e26273 912void Pico32xMemStateLoaded(void);\r
19886062 913void p32x_m68k_poll_event(unsigned int flags);\r
914void p32x_sh2_poll_event(SH2 *sh2, unsigned int flags, unsigned int m68k_cycles);\r
974fdb5b 915\r
916// 32x/draw.c\r
41946d70 917void PicoDrawSetOutFormat32x(pdso_t which, int use_32x_line_mode);\r
ea38612f 918void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est);\r
5a681086 919void PicoDraw32xLayer(int offs, int lines, int mdbg);\r
7a961c19 920void PicoDraw32xLayerMdOnly(int offs, int lines);\r
f4750ee0 921extern int (*PicoScan32xBegin)(unsigned int num);\r
922extern int (*PicoScan32xEnd)(unsigned int num);\r
7a961c19 923enum {\r
924 PDM32X_OFF,\r
925 PDM32X_32X_ONLY,\r
926 PDM32X_BOTH,\r
927};\r
5a681086 928extern int Pico32xDrawMode;\r
be2c4208 929\r
db1d3564 930// 32x/pwm.c\r
c1931173 931unsigned int p32x_pwm_read16(unsigned int a, SH2 *sh2,\r
932 unsigned int m68k_cycles);\r
933void p32x_pwm_write16(unsigned int a, unsigned int d,\r
934 SH2 *sh2, unsigned int m68k_cycles);\r
db1d3564 935void p32x_pwm_update(int *buf32, int length, int stereo);\r
045a4c52 936void p32x_pwm_ctl_changed(void);\r
df63f1a6 937void p32x_pwm_schedule(unsigned int m68k_now);\r
19886062 938void p32x_pwm_schedule_sh2(SH2 *sh2);\r
9e1fa0a6 939void p32x_pwm_sync_to_sh2(SH2 *sh2);\r
df63f1a6 940void p32x_pwm_irq_event(unsigned int m68k_now);\r
941void p32x_pwm_state_loaded(void);\r
045a4c52 942\r
943// 32x/sh2soc.c\r
944void p32x_dreq0_trigger(void);\r
945void p32x_dreq1_trigger(void);\r
946void p32x_timers_recalc(void);\r
947void p32x_timers_do(unsigned int m68k_slice);\r
cd0ace28 948void sh2_peripheral_reset(SH2 *sh2);\r
f81107f5 949unsigned int sh2_peripheral_read8(unsigned int a, SH2 *sh2);\r
950unsigned int sh2_peripheral_read16(unsigned int a, SH2 *sh2);\r
951unsigned int sh2_peripheral_read32(unsigned int a, SH2 *sh2);\r
8b43bc73 952void REGPARM(3) sh2_peripheral_write8(unsigned int a, unsigned int d, SH2 *sh2);\r
953void REGPARM(3) sh2_peripheral_write16(unsigned int a, unsigned int d, SH2 *sh2);\r
954void REGPARM(3) sh2_peripheral_write32(unsigned int a, unsigned int d, SH2 *sh2);\r
045a4c52 955\r
f3a57b2d 956#else\r
957#define Pico32xInit()\r
958#define PicoPower32x()\r
959#define PicoReset32x()\r
960#define PicoFrame32x()\r
961#define PicoUnload32x()\r
962#define Pico32xStateLoaded()\r
f3a57b2d 963#define FinalizeLine32xRGB555 NULL\r
964#define p32x_pwm_update(...)\r
965#define p32x_timers_recalc()\r
966#endif\r
db1d3564 967\r
45f2f245 968/* avoid dependency on newer glibc */\r
969static __inline int isspace_(int c)\r
970{\r
971 return (0x09 <= c && c <= 0x0d) || c == ' ';\r
972}\r
973\r
f4bb5d6b 974#ifndef ARRAY_SIZE\r
975#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))\r
976#endif\r
977\r
b8cbd802 978// emulation event logging\r
979#ifndef EL_LOGMASK\r
9c9cda8c 980# ifdef __x86_64__ // HACK\r
981# define EL_LOGMASK (EL_STATUS|EL_IDLE|EL_ANOMALY)\r
982# else\r
1555935b 983# define EL_LOGMASK (EL_STATUS)\r
9c9cda8c 984# endif\r
b8cbd802 985#endif\r
986\r
017512f2 987#define EL_HVCNT 0x00000001 /* hv counter reads */\r
988#define EL_SR 0x00000002 /* SR reads */\r
989#define EL_INTS 0x00000004 /* ints and acks */\r
43e6eaad 990#define EL_YMTIMER 0x00000008 /* ym2612 timer stuff */\r
017512f2 991#define EL_INTSW 0x00000010 /* log irq switching on/off */\r
992#define EL_ASVDP 0x00000020 /* VDP accesses during active scan */\r
993#define EL_VDPDMA 0x00000040 /* VDP DMA transfers and their timing */\r
994#define EL_BUSREQ 0x00000080 /* z80 busreq r/w or reset w */\r
995#define EL_Z80BNK 0x00000100 /* z80 i/o through bank area */\r
996#define EL_SRAMIO 0x00000200 /* sram i/o */\r
997#define EL_EEPROM 0x00000400 /* eeprom debug */\r
998#define EL_UIO 0x00000800 /* unmapped i/o */\r
999#define EL_IO 0x00001000 /* all i/o */\r
1000#define EL_CDPOLL 0x00002000 /* MCD: log poll detection */\r
1001#define EL_SVP 0x00004000 /* SVP stuff */\r
fa22af4c 1002#define EL_PICOHW 0x00008000 /* Pico stuff */\r
053fd9b4 1003#define EL_IDLE 0x00010000 /* idle loop det. */\r
af37bca8 1004#define EL_CDREGS 0x00020000 /* MCD: register access */\r
1005#define EL_CDREG3 0x00040000 /* MCD: register 3 only */\r
be2c4208 1006#define EL_32X 0x00080000\r
1b3f5844 1007#define EL_PWM 0x00100000 /* 32X PWM stuff (LOTS of output) */\r
045a4c52 1008#define EL_32XP 0x00200000 /* 32X peripherals */\r
ae214f1c 1009#define EL_CD 0x00400000 /* MCD */\r
017512f2 1010\r
1011#define EL_STATUS 0x40000000 /* status messages */\r
1012#define EL_ANOMALY 0x80000000 /* some unexpected conditions (during emulation) */\r
b8cbd802 1013\r
1014#if EL_LOGMASK\r
1015#define elprintf(w,f,...) \\r
a8fd6e37 1016do { \\r
b8cbd802 1017 if ((w) & EL_LOGMASK) \\r
7d0143a2 1018 lprintf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__); \\r
a8fd6e37 1019} while (0)\r
dca310c4 1020#elif defined(_MSC_VER)\r
1021#define elprintf\r
b8cbd802 1022#else\r
1023#define elprintf(w,f,...)\r
1024#endif\r
1025\r
f6c49d38 1026// profiling\r
1027#ifdef PPROF\r
1028#include <platform/linux/pprof.h>\r
1029#else\r
1030#define pprof_init()\r
1031#define pprof_finish()\r
1032#define pprof_start(x)\r
1033#define pprof_end(...)\r
1034#define pprof_end_sub(...)\r
1035#endif\r
1036\r
19886062 1037#ifdef EVT_LOG\r
1038enum evt {\r
1039 EVT_FRAME_START,\r
1040 EVT_NEXT_LINE,\r
1041 EVT_RUN_START,\r
1042 EVT_RUN_END,\r
1043 EVT_POLL_START,\r
1044 EVT_POLL_END,\r
1045 EVT_CNT\r
1046};\r
1047\r
1048enum evt_cpu {\r
1049 EVT_M68K,\r
1050 EVT_S68K,\r
1051 EVT_MSH2,\r
1052 EVT_SSH2,\r
1053 EVT_CPU_CNT\r
1054};\r
1055\r
1056void pevt_log(unsigned int cycles, enum evt_cpu c, enum evt e);\r
1057void pevt_dump(void);\r
1058\r
1059#define pevt_log_m68k(e) \\r
08769494 1060 pevt_log(SekCyclesDone(), EVT_M68K, e)\r
19886062 1061#define pevt_log_m68k_o(e) \\r
08769494 1062 pevt_log(SekCyclesDone(), EVT_M68K, e)\r
19886062 1063#define pevt_log_sh2(sh2, e) \\r
1064 pevt_log(sh2_cycles_done_m68k(sh2), EVT_MSH2 + (sh2)->is_slave, e)\r
1065#define pevt_log_sh2_o(sh2, e) \\r
1066 pevt_log((sh2)->m68krcycles_done, EVT_MSH2 + (sh2)->is_slave, e)\r
1067#else\r
1068#define pevt_log(c, e)\r
1069#define pevt_log_m68k(e)\r
1070#define pevt_log_m68k_o(e)\r
1071#define pevt_log_sh2(sh2, e)\r
1072#define pevt_log_sh2_o(sh2, e)\r
1073#define pevt_dump()\r
1074#endif\r
1075\r
f6c49d38 1076// misc\r
dca310c4 1077#ifdef _MSC_VER\r
1078#define cdprintf\r
1079#else\r
1080#define cdprintf(x...)\r
1081#endif\r
1082\r
8b43bc73 1083#if defined(__GNUC__) && defined(__i386__)\r
553c3eaa 1084#define REGPARM(x) __attribute__((regparm(x)))\r
c8d1e9b6 1085#else\r
553c3eaa 1086#define REGPARM(x)\r
c8d1e9b6 1087#endif\r
1088\r
5e89f0f5 1089#ifdef __GNUC__\r
1090#define NOINLINE __attribute__((noinline))\r
1091#else\r
1092#define NOINLINE\r
1093#endif\r
1094\r
f8af9634 1095#ifdef __cplusplus\r
1096} // End of extern "C"\r
1097#endif\r
1098\r
eff55556 1099#endif // PICO_INTERNAL_INCLUDED\r
1100\r
3162a710 1101// vim:shiftwidth=2:ts=2:expandtab\r