drop legacy save support
[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
71de3cd9 120#define SekInterrupt(irq) { \\r
b542be46 121 void *oldcontext = m68ki_cpu_p; \\r
122 m68k_set_context(&PicoCpuMM68k); \\r
123 m68k_set_irq(irq); \\r
124 m68k_set_context(oldcontext); \\r
125}\r
5fadfb1c 126#define SekIrqLevel (PicoCpuMM68k.int_level >> 8)\r
b542be46 127\r
cc68a136 128#endif\r
ef090115 129#endif // EMU_M68K\r
cc68a136 130\r
ae214f1c 131// while running, cnt represents target of current timeslice\r
132// while not in SekRun(), it's actual cycles done\r
133// (but always use SekCyclesDone() if you need current position)\r
134// cnt may change if timeslice is ended prematurely or extended,\r
135// so we use SekCycleAim for the actual target\r
136extern unsigned int SekCycleCnt;\r
137extern unsigned int SekCycleAim;\r
cc68a136 138\r
ae214f1c 139// number of cycles done (can be checked anywhere)\r
140#define SekCyclesDone() (SekCycleCnt - SekCyclesLeft)\r
141\r
142// burn cycles while not in SekRun() and while in\r
143#define SekCyclesBurn(c) SekCycleCnt += c\r
bc3c13d3 144#define SekCyclesBurnRun(c) { \\r
145 SekCyclesLeft -= c; \\r
b8cbd802 146}\r
cc68a136 147\r
ae214f1c 148// note: sometimes may extend timeslice to delay an irq\r
cc68a136 149#define SekEndRun(after) { \\r
ae214f1c 150 SekCycleCnt -= SekCyclesLeft - (after); \\r
151 SekCyclesLeft = after; \\r
cc68a136 152}\r
153\r
ae214f1c 154extern unsigned int SekCycleCntS68k;\r
155extern unsigned int SekCycleAimS68k;\r
156\r
07ceafdb 157#define SekEndRunS68k(after) { \\r
ae214f1c 158 if (SekCyclesLeftS68k > (after)) { \\r
159 SekCycleCntS68k -= SekCyclesLeftS68k - (after); \\r
160 SekCyclesLeftS68k = after; \\r
161 } \\r
07ceafdb 162}\r
163\r
ae214f1c 164#define SekCyclesDoneS68k() (SekCycleCntS68k - SekCyclesLeftS68k)\r
cc68a136 165\r
ae214f1c 166// compare cycles, handling overflows\r
167// check if a > b\r
168#define CYCLES_GT(a, b) \\r
169 ((int)((a) - (b)) > 0)\r
170// check if a >= b\r
171#define CYCLES_GE(a, b) \\r
172 ((int)((a) - (b)) >= 0)\r
cc68a136 173\r
b542be46 174// ----------------------- Z80 CPU -----------------------\r
175\r
b4db550e 176#if defined(_USE_DRZ80)\r
dca310c4 177#include "../cpu/DrZ80/drz80.h"\r
b542be46 178\r
179extern struct DrZ80 drZ80;\r
180\r
181#define z80_run(cycles) ((cycles) - DrZ80Run(&drZ80, cycles))\r
182#define z80_run_nr(cycles) DrZ80Run(&drZ80, cycles)\r
4936aac1 183#define z80_int() drZ80.Z80_IRQ = 1\r
835122bc 184#define z80_int() drZ80.Z80_IRQ = 1\r
185#define z80_nmi() drZ80.Z80IF |= 8\r
4b9c5888 186\r
187#define z80_cyclesLeft drZ80.cycles\r
d1b8bcc6 188#define z80_subCLeft(c) drZ80.cycles -= c\r
19954be1 189#define z80_pc() (drZ80.Z80PC - drZ80.Z80PC_BASE)\r
b542be46 190\r
191#elif defined(_USE_CZ80)\r
dca310c4 192#include "../cpu/cz80/cz80.h"\r
b542be46 193\r
194#define z80_run(cycles) Cz80_Exec(&CZ80, cycles)\r
195#define z80_run_nr(cycles) Cz80_Exec(&CZ80, cycles)\r
196#define z80_int() Cz80_Set_IRQ(&CZ80, 0, HOLD_LINE)\r
835122bc 197#define z80_nmi() Cz80_Set_IRQ(&CZ80, IRQ_LINE_NMI, 0)\r
4b9c5888 198\r
199#define z80_cyclesLeft (CZ80.ICount - CZ80.ExtraCycles)\r
d1b8bcc6 200#define z80_subCLeft(c) CZ80.ICount -= c\r
19954be1 201#define z80_pc() Cz80_Get_Reg(&CZ80, CZ80_PC)\r
b542be46 202\r
203#else\r
204\r
205#define z80_run(cycles) (cycles)\r
206#define z80_run_nr(cycles)\r
207#define z80_int()\r
835122bc 208#define z80_nmi()\r
b542be46 209\r
210#endif\r
211\r
b4db550e 212#define Z80_STATE_SIZE 0x60\r
213\r
4b9c5888 214#define z80_resetCycles() \\r
3162a710 215 timing.z80c_cnt = timing.z80c_aim = timing.z80_scanline = 0\r
4b9c5888 216\r
217#define z80_cyclesDone() \\r
3162a710 218 (timing.z80c_aim - z80_cyclesLeft)\r
4b9c5888 219\r
3162a710 220#define cycles_68k_to_z80(x) ((x) * 3823 >> 13)\r
4b9c5888 221\r
acd35d4c 222// ----------------------- SH2 CPU -----------------------\r
223\r
41397701 224#include "cpu/sh2/sh2.h"\r
acd35d4c 225\r
1d7a28a7 226extern SH2 sh2s[2];\r
227#define msh2 sh2s[0]\r
228#define ssh2 sh2s[1]\r
229\r
679af8a3 230#ifndef DRC_SH2\r
19886062 231# define sh2_end_run(sh2, after_) do { \\r
232 if ((sh2)->icount > (after_)) { \\r
c1931173 233 (sh2)->cycles_timeslice -= (sh2)->icount - (after_); \\r
19886062 234 (sh2)->icount = after_; \\r
a8fd6e37 235 } \\r
236} while (0)\r
19886062 237# define sh2_cycles_left(sh2) (sh2)->icount\r
8a847c12 238# define sh2_burn_cycles(sh2, n) (sh2)->icount -= n\r
f81107f5 239# define sh2_pc(sh2) (sh2)->ppc\r
679af8a3 240#else\r
19886062 241# define sh2_end_run(sh2, after_) do { \\r
242 int left_ = (signed int)(sh2)->sr >> 12; \\r
243 if (left_ > (after_)) { \\r
c1931173 244 (sh2)->cycles_timeslice -= left_ - (after_); \\r
f4c0720c 245 (sh2)->sr &= 0xfff; \\r
19886062 246 (sh2)->sr |= (after_) << 12; \\r
a8fd6e37 247 } \\r
248} while (0)\r
19886062 249# define sh2_cycles_left(sh2) ((signed int)(sh2)->sr >> 12)\r
8a847c12 250# define sh2_burn_cycles(sh2, n) (sh2)->sr -= ((n) << 12)\r
f81107f5 251# define sh2_pc(sh2) (sh2)->pc\r
679af8a3 252#endif\r
266c6afa 253\r
19886062 254#define sh2_cycles_done(sh2) ((int)(sh2)->cycles_timeslice - sh2_cycles_left(sh2))\r
a7f82a77 255#define sh2_cycles_done_t(sh2) \\r
256 ((sh2)->m68krcycles_done * 3 + sh2_cycles_done(sh2))\r
19886062 257#define sh2_cycles_done_m68k(sh2) \\r
258 ((sh2)->m68krcycles_done + (sh2_cycles_done(sh2) / 3))\r
259\r
4ea707e1 260#define sh2_reg(c, x) (c) ? ssh2.r[x] : msh2.r[x]\r
261#define sh2_gbr(c) (c) ? ssh2.gbr : msh2.gbr\r
262#define sh2_vbr(c) (c) ? ssh2.vbr : msh2.vbr\r
6add7875 263#define sh2_sr(c) (((c) ? ssh2.sr : msh2.sr) & 0xfff)\r
acd35d4c 264\r
83ff19ec 265#define sh2_set_gbr(c, v) \\r
266 { if (c) ssh2.gbr = v; else msh2.gbr = v; }\r
267#define sh2_set_vbr(c, v) \\r
268 { if (c) ssh2.vbr = v; else msh2.vbr = v; }\r
269\r
f8675e28 270#define elprintf_sh2(sh2, w, f, ...) \\r
271 elprintf(w,"%csh2 "f,(sh2)->is_slave?'s':'m',##__VA_ARGS__)\r
272\r
cc68a136 273// ---------------------------------------------------------\r
274\r
275// main oscillator clock which controls timing\r
276#define OSC_NTSC 53693100\r
b8cbd802 277#define OSC_PAL 53203424\r
cc68a136 278\r
e42a47e2 279// PicoVideo.debug_p\r
e0bcb7a9 280#define PVD_KILL_A (1 << 0)\r
281#define PVD_KILL_B (1 << 1)\r
282#define PVD_KILL_S_LO (1 << 2)\r
283#define PVD_KILL_S_HI (1 << 3)\r
284#define PVD_KILL_32X (1 << 4)\r
285#define PVD_FORCE_A (1 << 5)\r
286#define PVD_FORCE_B (1 << 6)\r
287#define PVD_FORCE_S (1 << 7)\r
288\r
e42a47e2 289// PicoVideo.status, not part of real SR\r
290#define SR_PAL (1 << 0)\r
291#define SR_DMA (1 << 1)\r
292#define SR_HB (1 << 2)\r
293#define SR_VB (1 << 3)\r
294#define SR_ODD (1 << 4)\r
295#define SR_C (1 << 5)\r
296#define SR_SOVR (1 << 6)\r
297#define SR_F (1 << 7)\r
298#define SR_FULL (1 << 8)\r
299#define SR_EMPT (1 << 9)\r
300// not part of real SR\r
301#define PVS_ACTIVE (1 << 16)\r
302\r
cc68a136 303struct PicoVideo\r
304{\r
305 unsigned char reg[0x20];\r
b8cbd802 306 unsigned int command; // 32-bit Command\r
307 unsigned char pending; // 1 if waiting for second half of 32-bit command\r
308 unsigned char type; // Command type (v/c/vsram read/write)\r
309 unsigned short addr; // Read/Write address\r
e42a47e2 310 unsigned int status; // Status bits (SR) and extra flags\r
cc68a136 311 unsigned char pending_ints; // pending interrupts: ??VH????\r
b8cbd802 312 signed char lwrite_cnt; // VDP write count during active display line\r
9761a7d0 313 unsigned short v_counter; // V-counter\r
e0bcb7a9 314 unsigned short debug; // raw debug register\r
315 unsigned char debug_p; // ... parsed: PVD_*\r
e42a47e2 316 unsigned char addr_u; // bit16 of .addr\r
317 unsigned char hint_cnt;\r
318 unsigned char pad[0x0b];\r
cc68a136 319};\r
320\r
321struct PicoMisc\r
322{\r
323 unsigned char rotate;\r
324 unsigned char z80Run;\r
e5503e2f 325 unsigned char padTHPhase[2]; // 02 phase of gamepad TH switches\r
2aa27095 326 unsigned short scanline; // 04 0 to 261||311\r
e5503e2f 327 char dirtyPal; // 06 Is the palette dirty (1 - change @ this frame, 2 - some time before)\r
328 unsigned char hardware; // 07 Hardware value for country\r
329 unsigned char pal; // 08 1=PAL 0=NTSC\r
45f2f245 330 unsigned char sram_reg; // 09 SRAM reg. See SRR_* below\r
e5503e2f 331 unsigned short z80_bank68k; // 0a\r
be2c4208 332 unsigned short pad0;\r
fa8fb754 333 unsigned char ncart_in; // 0e !cart_in\r
0ace9b9a 334 unsigned char z80_reset; // 0f z80 reset held\r
e5503e2f 335 unsigned char padDelay[2]; // 10 gamepad phase time outs, so we count a delay\r
1dceadae 336 unsigned short eeprom_addr; // EEPROM address register\r
45f2f245 337 unsigned char eeprom_cycle; // EEPROM cycle number\r
1dceadae 338 unsigned char eeprom_slave; // EEPROM slave word for X24C02 and better SRAMs\r
45f2f245 339 unsigned char eeprom_status;\r
be2c4208 340 unsigned char pad2;\r
053fd9b4 341 unsigned short dma_xfers; // 18\r
45f2f245 342 unsigned char eeprom_wb[2]; // EEPROM latch/write buffer\r
053fd9b4 343 unsigned int frame_count; // 1c for movies and idle det\r
cc68a136 344};\r
345\r
b4db550e 346struct PicoMS\r
347{\r
348 unsigned char carthw[0x10];\r
349 unsigned char io_ctl;\r
835122bc 350 unsigned char nmi_state;\r
351 unsigned char pad[0x4e];\r
b4db550e 352};\r
353\r
ea38612f 354// emu state and data for the asm code\r
355struct PicoEState\r
356{\r
357 int DrawScanline;\r
358 int rendstatus;\r
98a27142 359 void *DrawLineDest; // draw destination\r
99bdfd31 360 unsigned char *HighCol;\r
361 int *HighPreSpr;\r
ea38612f 362 void *Pico_video;\r
363 void *Pico_vram;\r
99bdfd31 364 int *PicoOpt;\r
98a27142 365 unsigned char *Draw2FB;\r
366 unsigned short HighPal[0x100];\r
ea38612f 367};\r
368\r
cc68a136 369// some assembly stuff depend on these, do not touch!\r
370struct Pico\r
371{\r
372 unsigned char ram[0x10000]; // 0x00000 scratch ram\r
200772b7 373 union { // vram is byteswapped for easier reads when drawing\r
2ec9bec5 374 unsigned short vram[0x8000]; // 0x10000\r
375 unsigned char vramb[0x4000]; // VRAM in SMS mode\r
376 };\r
cc68a136 377 unsigned char zram[0x2000]; // 0x20000 Z80 ram\r
b4db550e 378 unsigned char ioports[0x10]; // XXX: fix asm and mv\r
379 unsigned char pad[0xf0]; // unused\r
cc68a136 380 unsigned short cram[0x40]; // 0x22100\r
381 unsigned short vsram[0x40]; // 0x22180\r
382\r
383 unsigned char *rom; // 0x22200\r
0219d379 384 unsigned int romsize; // 0x22204 (on 32bits)\r
cc68a136 385\r
386 struct PicoMisc m;\r
387 struct PicoVideo video;\r
b4db550e 388 struct PicoMS ms;\r
ea38612f 389 struct PicoEState est;\r
cc68a136 390};\r
391\r
392// sram\r
45f2f245 393#define SRR_MAPPED (1 << 0)\r
394#define SRR_READONLY (1 << 1)\r
395\r
396#define SRF_ENABLED (1 << 0)\r
397#define SRF_EEPROM (1 << 1)\r
af37bca8 398\r
cc68a136 399struct PicoSRAM\r
400{\r
4ff2d527 401 unsigned char *data; // actual data\r
402 unsigned int start; // start address in 68k address space\r
cc68a136 403 unsigned int end;\r
45f2f245 404 unsigned char flags; // 0c: SRF_*\r
1dceadae 405 unsigned char unused2;\r
cc68a136 406 unsigned char changed;\r
45f2f245 407 unsigned char eeprom_type; // eeprom type: 0: 7bit (24C01), 2: 2 addr words (X24C02+), 3: 3 addr words\r
408 unsigned char unused3;\r
1dceadae 409 unsigned char eeprom_bit_cl; // bit number for cl\r
410 unsigned char eeprom_bit_in; // bit number for in\r
411 unsigned char eeprom_bit_out; // bit number for out\r
45f2f245 412 unsigned int size;\r
cc68a136 413};\r
414\r
415// MCD\r
33be04ca 416#define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1)\r
417\r
4f265db7 418struct mcd_pcm\r
419{\r
420 unsigned char control; // reg7\r
421 unsigned char enabled; // reg8\r
422 unsigned char cur_ch;\r
423 unsigned char bank;\r
33be04ca 424 unsigned int update_cycles;\r
4f265db7 425\r
4ff2d527 426 struct pcm_chan // 08, size 0x10\r
4f265db7 427 {\r
428 unsigned char regs[8];\r
4ff2d527 429 unsigned int addr; // .08: played sample address\r
4f265db7 430 int pad;\r
431 } ch[8];\r
432};\r
433\r
4fb43555 434#define PCD_ST_S68K_RST 1\r
435\r
c459aefd 436struct mcd_misc\r
437{\r
6901d0e4 438 unsigned short hint_vector;\r
439 unsigned char busreq; // not s68k_regs[1]\r
440 unsigned char s68k_pend_ints;\r
441 unsigned int state_flags; // 04\r
442 unsigned int stopwatch_base_c;\r
443 unsigned short m68k_poll_a;\r
444 unsigned short m68k_poll_cnt;\r
445 unsigned short s68k_poll_a;\r
446 unsigned short s68k_poll_cnt;\r
447 unsigned int s68k_poll_clk;\r
448 unsigned char bcram_reg; // 18: battery-backed RAM cart register\r
449 unsigned char dmna_ret_2m;\r
450 unsigned char need_sync;\r
451 unsigned char pad3;\r
452 int pad4[9];\r
c459aefd 453};\r
454\r
cc68a136 455typedef struct\r
456{\r
3f23709e 457 unsigned char bios[0x20000]; // 000000: 128K\r
458 union { // 020000: 512K\r
459 unsigned char prg_ram[0x80000];\r
460 unsigned char prg_ram_b[4][0x20000];\r
461 };\r
462 union { // 0a0000: 256K\r
463 struct {\r
464 unsigned char word_ram2M[0x40000];\r
465 unsigned char unused0[0x20000];\r
466 };\r
467 struct {\r
468 unsigned char unused1[0x20000];\r
469 unsigned char word_ram1M[2][0x20000];\r
470 };\r
471 };\r
472 union { // 100000: 64K\r
473 unsigned char pcm_ram[0x10000];\r
474 unsigned char pcm_ram_b[0x10][0x1000];\r
475 };\r
f47d0a28 476 unsigned char s68k_regs[0x200]; // 110000: GA, not CPU regs\r
3f23709e 477 unsigned char bram[0x2000]; // 110200: 8K\r
478 struct mcd_misc m; // 112200: misc\r
479 struct mcd_pcm pcm; // 112240:\r
274fcc35 480 void *cdda_stream;\r
481 int cdda_type;\r
3f23709e 482 int pcm_mixbuf[PCM_MIXBUF_LEN * 2];\r
483 int pcm_mixpos;\r
484 char pcm_mixbuf_dirty;\r
485 char pcm_regs_dirty;\r
cc68a136 486} mcd_state;\r
487\r
be2c4208 488// XXX: this will need to be reworked for cart+cd support.\r
cc68a136 489#define Pico_mcd ((mcd_state *)Pico.rom)\r
490\r
be2c4208 491// 32X\r
acd35d4c 492#define P32XS_FM (1<<15)\r
fa8fb754 493#define P32XS_nCART (1<< 8)\r
83ff19ec 494#define P32XS_REN (1<< 7)\r
495#define P32XS_nRES (1<< 1)\r
496#define P32XS_ADEN (1<< 0)\r
acd35d4c 497#define P32XS2_ADEN (1<< 9)\r
5e128c6d 498#define P32XS_FULL (1<< 7) // DREQ FIFO full\r
4ea707e1 499#define P32XS_68S (1<< 2)\r
97d3f47f 500#define P32XS_DMA (1<< 1)\r
4ea707e1 501#define P32XS_RV (1<< 0)\r
acd35d4c 502\r
5e128c6d 503#define P32XV_nPAL (1<<15) // VDP\r
acd35d4c 504#define P32XV_PRI (1<< 7)\r
4ea707e1 505#define P32XV_Mx (3<< 0) // display mode mask\r
974fdb5b 506\r
e51e5983 507#define P32XV_SFT (1<< 0)\r
508\r
acd35d4c 509#define P32XV_VBLK (1<<15)\r
510#define P32XV_HBLK (1<<14)\r
511#define P32XV_PEN (1<<13)\r
512#define P32XV_nFEN (1<< 1)\r
513#define P32XV_FS (1<< 0)\r
974fdb5b 514\r
df63f1a6 515#define P32XP_RTP (1<<7) // PWM control\r
516#define P32XP_FULL (1<<15) // PWM pulse\r
db1d3564 517#define P32XP_EMPTY (1<<14)\r
518\r
419973a6 519#define P32XF_68KCPOLL (1 << 0)\r
520#define P32XF_68KVPOLL (1 << 1)\r
521#define P32XF_Z80_32X_IO (1 << 7) // z80 does 32x io\r
4ea707e1 522\r
523#define P32XI_VRES (1 << 14/2) // IRL/2\r
524#define P32XI_VINT (1 << 12/2)\r
525#define P32XI_HINT (1 << 10/2)\r
526#define P32XI_CMD (1 << 8/2)\r
527#define P32XI_PWM (1 << 6/2)\r
528\r
1d7a28a7 529// peripheral reg access\r
530#define PREG8(regs,offs) ((unsigned char *)regs)[offs ^ 3]\r
531\r
7eaa3812 532#define DMAC_FIFO_LEN (4*2)\r
db1d3564 533#define PWM_BUFF_LEN 1024 // in one channel samples\r
266c6afa 534\r
f4bb5d6b 535#define SH2_DRCBLK_RAM_SHIFT 1\r
536#define SH2_DRCBLK_DA_SHIFT 1\r
537\r
f81107f5 538#define SH2_READ_SHIFT 25\r
e05b81fc 539#define SH2_WRITE_SHIFT 25\r
540\r
be2c4208 541struct Pico32x\r
542{\r
543 unsigned short regs[0x20];\r
5a681086 544 unsigned short vdp_regs[0x10]; // 0x40\r
545 unsigned short sh2_regs[3]; // 0x60\r
be2c4208 546 unsigned char pending_fb;\r
974fdb5b 547 unsigned char dirty_pal;\r
266c6afa 548 unsigned int emu_flags;\r
4ea707e1 549 unsigned char sh2irq_mask[2];\r
550 unsigned char sh2irqi[2]; // individual\r
551 unsigned int sh2irqs; // common irqs\r
552 unsigned short dmac_fifo[DMAC_FIFO_LEN];\r
7eaa3812 553 unsigned int pad[4];\r
df63f1a6 554 unsigned int dmac0_fifo_ptr;\r
4a1fb183 555 unsigned short vdp_fbcr_fake;\r
7eaa3812 556 unsigned short pad2;\r
a8fd6e37 557 unsigned char comm_dirty_68k;\r
558 unsigned char comm_dirty_sh2;\r
df63f1a6 559 unsigned char pwm_irq_cnt;\r
560 unsigned char pad1;\r
a7f82a77 561 unsigned short pwm_p[2]; // pwm pos in fifo\r
562 unsigned int pwm_cycle_p; // pwm play cursor (32x cycles)\r
563 unsigned int reserved[6];\r
974fdb5b 564};\r
565\r
566struct Pico32xMem\r
567{\r
568 unsigned char sdram[0x40000];\r
f4bb5d6b 569#ifdef DRC_SH2\r
570 unsigned short drcblk_ram[1 << (18 - SH2_DRCBLK_RAM_SHIFT)];\r
571#endif\r
b78efee2 572 unsigned short dram[2][0x20000/2]; // AKA fb\r
b4db550e 573 union {\r
574 unsigned char m68k_rom[0x100];\r
575 unsigned char m68k_rom_bank[0x10000]; // M68K_BANK_SIZE\r
576 };\r
f4bb5d6b 577#ifdef DRC_SH2\r
578 unsigned short drcblk_da[2][1 << (12 - SH2_DRCBLK_DA_SHIFT)];\r
579#endif\r
895d1512 580 union {\r
581 unsigned char b[0x800];\r
582 unsigned short w[0x800/2];\r
583 } sh2_rom_m;\r
584 union {\r
585 unsigned char b[0x400];\r
586 unsigned short w[0x400/2];\r
587 } sh2_rom_s;\r
974fdb5b 588 unsigned short pal[0x100];\r
5e128c6d 589 unsigned short pal_native[0x100]; // converted to native (for renderer)\r
db1d3564 590 signed short pwm[2*PWM_BUFF_LEN]; // PWM buffer for current frame\r
8ce9c3a7 591 signed short pwm_current[2]; // current converted samples\r
592 unsigned short pwm_fifo[2][4]; // [0] - current raw, others - fifo entries\r
be2c4208 593};\r
d49b10c2 594\r
3162a710 595struct PicoTiming\r
596{\r
597 unsigned int m68c_frame_start; // m68k cycles\r
598 unsigned int z80c_cnt; // z80 cycles done (this frame)\r
599 unsigned int z80c_aim;\r
600 int z80_scanline;\r
601};\r
602extern struct PicoTiming timing;\r
603\r
c8d1e9b6 604// area.c\r
fad24893 605extern void (*PicoLoadStateHook)(void);\r
51a902ae 606\r
945c2fdc 607typedef struct {\r
608 int chunk;\r
609 int size;\r
610 void *ptr;\r
611} carthw_state_chunk;\r
612extern carthw_state_chunk *carthw_chunks;\r
613#define CHUNK_CARTHW 64\r
614\r
c8d1e9b6 615// cart.c\r
b4db550e 616extern int PicoCartResize(int newsize);\r
617extern void Byteswap(void *dst, const void *src, int len);\r
45f2f245 618extern void (*PicoCartMemSetup)(void);\r
e807ac75 619extern void (*PicoCartUnloadHook)(void);\r
1dceadae 620\r
c8d1e9b6 621// debug.c\r
b5e5172d 622int CM_compareRun(int cyc, int is_sub);\r
03e4f2a3 623\r
c8d1e9b6 624// draw.c\r
99bdfd31 625void PicoDrawInit(void);\r
eff55556 626PICO_INTERNAL void PicoFrameStart(void);\r
b6d7ac70 627void PicoDrawSync(int to, int blank_last_line);\r
99bdfd31 628void BackFill(int reg7, int sh, struct PicoEState *est);\r
ea38612f 629void FinalizeLine555(int sh, int line, struct PicoEState *est);\r
f4750ee0 630extern int (*PicoScanBegin)(unsigned int num);\r
631extern int (*PicoScanEnd)(unsigned int num);\r
f579f7b8 632#define MAX_LINE_SPRITES 29\r
633extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];\r
5a681086 634extern void *DrawLineDestBase;\r
635extern int DrawLineDestIncrement;\r
cc68a136 636\r
c8d1e9b6 637// draw2.c\r
98a27142 638void PicoDraw2Init(void);\r
eff55556 639PICO_INTERNAL void PicoFrameFull();\r
cc68a136 640\r
200772b7 641// mode4.c\r
642void PicoFrameStartMode4(void);\r
643void PicoLineMode4(int line);\r
644void PicoDoHighPal555M4(void);\r
5a681086 645void PicoDrawSetOutputMode4(pdso_t which);\r
200772b7 646\r
c8d1e9b6 647// memory.c\r
eff55556 648PICO_INTERNAL void PicoMemSetup(void);\r
af37bca8 649unsigned int PicoRead8_io(unsigned int a);\r
650unsigned int PicoRead16_io(unsigned int a);\r
651void PicoWrite8_io(unsigned int a, unsigned int d);\r
652void PicoWrite16_io(unsigned int a, unsigned int d);\r
653\r
654// pico/memory.c\r
655PICO_INTERNAL void PicoMemSetupPico(void);\r
cc68a136 656\r
3f23709e 657// cd/cdc.c\r
658void cdc_init(void);\r
659void cdc_reset(void);\r
660int cdc_context_save(unsigned char *state);\r
661int cdc_context_load(unsigned char *state);\r
662int cdc_context_load_old(unsigned char *state);\r
663void cdc_dma_update(void);\r
664int cdc_decoder_update(unsigned char header[4]);\r
665void cdc_reg_w(unsigned char data);\r
666unsigned char cdc_reg_r(void);\r
667unsigned short cdc_host_r(void);\r
668\r
274fcc35 669// cd/cdd.c\r
670void cdd_reset(void);\r
671int cdd_context_save(unsigned char *state);\r
672int cdd_context_load(unsigned char *state);\r
673int cdd_context_load_old(unsigned char *state);\r
674void cdd_read_data(unsigned char *dst);\r
675void cdd_read_audio(unsigned int samples);\r
676void cdd_update(void);\r
677void cdd_process(void);\r
678\r
679// cd/cd_image.c\r
680int load_cd_image(const char *cd_img_name, int *type);\r
681\r
a93a80de 682// cd/gfx.c\r
683void gfx_init(void);\r
684void gfx_start(unsigned int base);\r
685void gfx_update(unsigned int cycles);\r
686int gfx_context_save(unsigned char *state);\r
687int gfx_context_load(const unsigned char *state);\r
688\r
689// cd/gfx_dma.c\r
690void DmaSlowCell(unsigned int source, unsigned int a, int len, unsigned char inc);\r
691\r
c8d1e9b6 692// cd/memory.c\r
eff55556 693PICO_INTERNAL void PicoMemSetupCD(void);\r
fa8fb754 694unsigned int PicoRead8_mcd_io(unsigned int a);\r
695unsigned int PicoRead16_mcd_io(unsigned int a);\r
696void PicoWrite8_mcd_io(unsigned int a, unsigned int d);\r
697void PicoWrite16_mcd_io(unsigned int a, unsigned int d);\r
ae214f1c 698void pcd_state_loaded_mem(void);\r
cc68a136 699\r
c8d1e9b6 700// pico.c\r
cc68a136 701extern struct Pico Pico;\r
702extern struct PicoSRAM SRam;\r
5f9a0d16 703extern int PicoPadInt[2];\r
cc68a136 704extern int emustatus;\r
f8ef8ff7 705extern void (*PicoResetHook)(void);\r
b0677887 706extern void (*PicoLineHook)(void);\r
1e6b5e39 707PICO_INTERNAL int CheckDMA(void);\r
708PICO_INTERNAL void PicoDetectRegion(void);\r
ae214f1c 709PICO_INTERNAL void PicoSyncZ80(unsigned int m68k_cycles_done);\r
cc68a136 710\r
89dbbf2b 711// cd/mcd.c\r
ae214f1c 712#define PCDS_IEN1 (1<<1)\r
713#define PCDS_IEN2 (1<<2)\r
714#define PCDS_IEN3 (1<<3)\r
715#define PCDS_IEN4 (1<<4)\r
716#define PCDS_IEN5 (1<<5)\r
717#define PCDS_IEN6 (1<<6)\r
cc68a136 718\r
2aa27095 719PICO_INTERNAL void PicoInitMCD(void);\r
e5f426aa 720PICO_INTERNAL void PicoExitMCD(void);\r
1cb1584b 721PICO_INTERNAL void PicoPowerMCD(void);\r
2aa27095 722PICO_INTERNAL int PicoResetMCD(void);\r
723PICO_INTERNAL void PicoFrameMCD(void);\r
cc68a136 724\r
ae214f1c 725enum pcd_event {\r
726 PCD_EVENT_CDC,\r
727 PCD_EVENT_TIMER3,\r
728 PCD_EVENT_GFX,\r
729 PCD_EVENT_DMA,\r
730 PCD_EVENT_COUNT,\r
731};\r
732extern unsigned int pcd_event_times[PCD_EVENT_COUNT];\r
733void pcd_event_schedule(unsigned int now, enum pcd_event event, int after);\r
734void pcd_event_schedule_s68k(enum pcd_event event, int after);\r
a6523294 735void pcd_prepare_frame(void);\r
ae214f1c 736unsigned int pcd_cycles_m68k_to_s68k(unsigned int c);\r
08769494 737int pcd_sync_s68k(unsigned int m68k_target, int m68k_poll_sync);\r
fa8fb754 738void pcd_run_cpus(int m68k_cycles);\r
d0132772 739void pcd_soft_reset(void);\r
ae214f1c 740void pcd_state_loaded(void);\r
741\r
33be04ca 742// cd/pcm.c\r
743void pcd_pcm_sync(unsigned int to);\r
744void pcd_pcm_update(int *buffer, int length, int stereo);\r
745void pcd_pcm_write(unsigned int a, unsigned int d);\r
746unsigned int pcd_pcm_read(unsigned int a);\r
747\r
c8d1e9b6 748// pico/pico.c\r
2aa27095 749PICO_INTERNAL void PicoInitPico(void);\r
ed367a3f 750PICO_INTERNAL void PicoReratePico(void);\r
9037e45d 751\r
c8d1e9b6 752// pico/xpcm.c\r
ef4eb506 753PICO_INTERNAL void PicoPicoPCMUpdate(short *buffer, int length, int stereo);\r
754PICO_INTERNAL void PicoPicoPCMReset(void);\r
213c16ad 755PICO_INTERNAL void PicoPicoPCMRerate(int xpcm_rate);\r
ef4eb506 756\r
c8d1e9b6 757// sek.c\r
2aa27095 758PICO_INTERNAL void SekInit(void);\r
759PICO_INTERNAL int SekReset(void);\r
3aa1e148 760PICO_INTERNAL void SekState(int *data);\r
eff55556 761PICO_INTERNAL void SekSetRealTAS(int use_real);\r
b4db550e 762PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub);\r
763PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub);\r
5f9a0d16 764void SekStepM68k(void);\r
053fd9b4 765void SekInitIdleDet(void);\r
766void SekFinishIdleDet(void);\r
12da51c2 767#if defined(CPU_CMP_R) || defined(CPU_CMP_W)\r
768void SekTrace(int is_s68k);\r
769#else\r
770#define SekTrace(x)\r
771#endif\r
cc68a136 772\r
c8d1e9b6 773// cd/sek.c\r
2aa27095 774PICO_INTERNAL void SekInitS68k(void);\r
775PICO_INTERNAL int SekResetS68k(void);\r
776PICO_INTERNAL int SekInterruptS68k(int irq);\r
3f23709e 777void SekInterruptClearS68k(int irq);\r
cc68a136 778\r
7a93adeb 779// sound/sound.c\r
c9e1affc 780extern short cdda_out_buffer[2*1152];\r
7a93adeb 781extern int PsndLen_exc_cnt;\r
782extern int PsndLen_exc_add;\r
48dc74f2 783extern int timer_a_next_oflow, timer_a_step; // in z80 cycles\r
784extern int timer_b_next_oflow, timer_b_step;\r
43e6eaad 785\r
274fcc35 786void cdda_start_play(int lba_base, int lba_offset, int lb_len);\r
787\r
43e6eaad 788void ym2612_sync_timers(int z80_cycles, int mode_old, int mode_new);\r
d2721b08 789void ym2612_pack_state(void);\r
453d2a6e 790void ym2612_unpack_state(void);\r
4b9c5888 791\r
e53704e6 792#define TIMER_NO_OFLOW 0x70000000\r
45a1ef71 793// tA = 72 * (1024 - NA) / M\r
794#define TIMER_A_TICK_ZCYCLES 17203\r
795// tB = 1152 * (256 - NA) / M\r
796#define TIMER_B_TICK_ZCYCLES 262800 // 275251 broken, see Dai Makaimura\r
e53704e6 797\r
4b9c5888 798#define timers_cycle() \\r
e53704e6 799 if (timer_a_next_oflow > 0 && timer_a_next_oflow < TIMER_NO_OFLOW) \\r
43e6eaad 800 timer_a_next_oflow -= Pico.m.pal ? 70938*256 : 59659*256; \\r
e53704e6 801 if (timer_b_next_oflow > 0 && timer_b_next_oflow < TIMER_NO_OFLOW) \\r
43e6eaad 802 timer_b_next_oflow -= Pico.m.pal ? 70938*256 : 59659*256; \\r
803 ym2612_sync_timers(0, ym2612.OPN.ST.mode, ym2612.OPN.ST.mode);\r
4b9c5888 804\r
805#define timers_reset() \\r
e53704e6 806 timer_a_next_oflow = timer_b_next_oflow = TIMER_NO_OFLOW; \\r
48dc74f2 807 timer_a_step = TIMER_A_TICK_ZCYCLES * 1024; \\r
808 timer_b_step = TIMER_B_TICK_ZCYCLES * 256;\r
43e6eaad 809\r
7a93adeb 810\r
c8d1e9b6 811// videoport.c\r
53f948c9 812extern int line_base_cycles;\r
eff55556 813PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d);\r
814PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a);\r
75b84e4b 815unsigned char PicoVideoRead8DataH(void);\r
816unsigned char PicoVideoRead8DataL(void);\r
817unsigned char PicoVideoRead8CtlH(void);\r
818unsigned char PicoVideoRead8CtlL(void);\r
819unsigned char PicoVideoRead8HV_H(void);\r
820unsigned char PicoVideoRead8HV_L(void);\r
0c7d1ba3 821extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask);\r
cc68a136 822\r
c8d1e9b6 823// misc.c\r
eff55556 824PICO_INTERNAL_ASM void memcpy16(unsigned short *dest, unsigned short *src, int count);\r
825PICO_INTERNAL_ASM void memcpy16bswap(unsigned short *dest, void *src, int count);\r
fbba0ff6 826PICO_INTERNAL_ASM void memcpy32(void *dest, const void *src, int count); // 32bit word count\r
827PICO_INTERNAL_ASM void memset32(void *dest, int c, int count);\r
cc68a136 828\r
45f2f245 829// eeprom.c\r
830void EEPROM_write8(unsigned int a, unsigned int d);\r
831void EEPROM_write16(unsigned int d);\r
832unsigned int EEPROM_read(void);\r
833\r
c8d1e9b6 834// z80 functionality wrappers\r
835PICO_INTERNAL void z80_init(void);\r
b4db550e 836PICO_INTERNAL void z80_pack(void *data);\r
837PICO_INTERNAL int z80_unpack(const void *data);\r
c8d1e9b6 838PICO_INTERNAL void z80_reset(void);\r
839PICO_INTERNAL void z80_exit(void);\r
c8d1e9b6 840\r
841// cd/misc.c\r
eff55556 842PICO_INTERNAL_ASM void wram_2M_to_1M(unsigned char *m);\r
843PICO_INTERNAL_ASM void wram_1M_to_2M(unsigned char *m);\r
844\r
eff55556 845// sound/sound.c\r
9d917eea 846PICO_INTERNAL void PsndReset(void);\r
4f2cdbf5 847PICO_INTERNAL void PsndStartFrame(void);\r
4b9c5888 848PICO_INTERNAL void PsndDoDAC(int line_to);\r
5d638db0 849PICO_INTERNAL void PsndDoPSG(int line_to);\r
9d917eea 850PICO_INTERNAL void PsndClear(void);\r
7b3f44c6 851PICO_INTERNAL void PsndGetSamples(int y);\r
2ec9bec5 852PICO_INTERNAL void PsndGetSamplesMS(void);\r
5d638db0 853extern int PsndDacLine, PsndPsgLine;\r
cc68a136 854\r
3e49ffd0 855// sms.c\r
f3a57b2d 856#ifndef NO_SMS\r
3e49ffd0 857void PicoPowerMS(void);\r
2ec9bec5 858void PicoResetMS(void);\r
3e49ffd0 859void PicoMemSetupMS(void);\r
b4db550e 860void PicoStateLoadedMS(void);\r
3e49ffd0 861void PicoFrameMS(void);\r
87b0845f 862void PicoFrameDrawOnlyMS(void);\r
f3a57b2d 863#else\r
864#define PicoPowerMS()\r
865#define PicoResetMS()\r
866#define PicoMemSetupMS()\r
867#define PicoStateLoadedMS()\r
868#define PicoFrameMS()\r
869#define PicoFrameDrawOnlyMS()\r
870#endif\r
3e49ffd0 871\r
be2c4208 872// 32x/32x.c\r
f3a57b2d 873#ifndef NO_32X\r
be2c4208 874extern struct Pico32x Pico32x;\r
6a98f03e 875enum p32x_event {\r
876 P32X_EVENT_PWM,\r
877 P32X_EVENT_FILLEND,\r
5ac99d9a 878 P32X_EVENT_HINT,\r
6a98f03e 879 P32X_EVENT_COUNT,\r
880};\r
ae214f1c 881extern unsigned int p32x_event_times[P32X_EVENT_COUNT];\r
6a98f03e 882\r
be2c4208 883void Pico32xInit(void);\r
974fdb5b 884void PicoPower32x(void);\r
be2c4208 885void PicoReset32x(void);\r
974fdb5b 886void Pico32xStartup(void);\r
5e49c3a8 887void PicoUnload32x(void);\r
974fdb5b 888void PicoFrame32x(void);\r
27e26273 889void Pico32xStateLoaded(int is_early);\r
ed4402a7 890void p32x_sync_sh2s(unsigned int m68k_target);\r
19886062 891void p32x_sync_other_sh2(SH2 *sh2, unsigned int m68k_target);\r
4d5dfee8 892void p32x_update_irls(SH2 *active_sh2, int m68k_cycles);\r
9e1fa0a6 893void p32x_trigger_irq(SH2 *sh2, int m68k_cycles, unsigned int mask);\r
894void p32x_update_cmd_irq(SH2 *sh2, int m68k_cycles);\r
83ff19ec 895void p32x_reset_sh2s(void);\r
19886062 896void p32x_event_schedule(unsigned int now, enum p32x_event event, int after);\r
897void p32x_event_schedule_sh2(SH2 *sh2, enum p32x_event event, int after);\r
5ac99d9a 898void p32x_schedule_hint(SH2 *sh2, int m68k_cycles);\r
a8fd6e37 899\r
be2c4208 900// 32x/memory.c\r
974fdb5b 901struct Pico32xMem *Pico32xMem;\r
be2c4208 902unsigned int PicoRead8_32x(unsigned int a);\r
903unsigned int PicoRead16_32x(unsigned int a);\r
904void PicoWrite8_32x(unsigned int a, unsigned int d);\r
905void PicoWrite16_32x(unsigned int a, unsigned int d);\r
906void PicoMemSetup32x(void);\r
974fdb5b 907void Pico32xSwapDRAM(int b);\r
27e26273 908void Pico32xMemStateLoaded(void);\r
19886062 909void p32x_m68k_poll_event(unsigned int flags);\r
910void p32x_sh2_poll_event(SH2 *sh2, unsigned int flags, unsigned int m68k_cycles);\r
974fdb5b 911\r
912// 32x/draw.c\r
41946d70 913void PicoDrawSetOutFormat32x(pdso_t which, int use_32x_line_mode);\r
ea38612f 914void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est);\r
5a681086 915void PicoDraw32xLayer(int offs, int lines, int mdbg);\r
7a961c19 916void PicoDraw32xLayerMdOnly(int offs, int lines);\r
f4750ee0 917extern int (*PicoScan32xBegin)(unsigned int num);\r
918extern int (*PicoScan32xEnd)(unsigned int num);\r
7a961c19 919enum {\r
920 PDM32X_OFF,\r
921 PDM32X_32X_ONLY,\r
922 PDM32X_BOTH,\r
923};\r
5a681086 924extern int Pico32xDrawMode;\r
be2c4208 925\r
db1d3564 926// 32x/pwm.c\r
c1931173 927unsigned int p32x_pwm_read16(unsigned int a, SH2 *sh2,\r
928 unsigned int m68k_cycles);\r
929void p32x_pwm_write16(unsigned int a, unsigned int d,\r
930 SH2 *sh2, unsigned int m68k_cycles);\r
db1d3564 931void p32x_pwm_update(int *buf32, int length, int stereo);\r
045a4c52 932void p32x_pwm_ctl_changed(void);\r
df63f1a6 933void p32x_pwm_schedule(unsigned int m68k_now);\r
19886062 934void p32x_pwm_schedule_sh2(SH2 *sh2);\r
9e1fa0a6 935void p32x_pwm_sync_to_sh2(SH2 *sh2);\r
df63f1a6 936void p32x_pwm_irq_event(unsigned int m68k_now);\r
937void p32x_pwm_state_loaded(void);\r
045a4c52 938\r
939// 32x/sh2soc.c\r
940void p32x_dreq0_trigger(void);\r
941void p32x_dreq1_trigger(void);\r
942void p32x_timers_recalc(void);\r
943void p32x_timers_do(unsigned int m68k_slice);\r
cd0ace28 944void sh2_peripheral_reset(SH2 *sh2);\r
f81107f5 945unsigned int sh2_peripheral_read8(unsigned int a, SH2 *sh2);\r
946unsigned int sh2_peripheral_read16(unsigned int a, SH2 *sh2);\r
947unsigned int sh2_peripheral_read32(unsigned int a, SH2 *sh2);\r
8b43bc73 948void REGPARM(3) sh2_peripheral_write8(unsigned int a, unsigned int d, SH2 *sh2);\r
949void REGPARM(3) sh2_peripheral_write16(unsigned int a, unsigned int d, SH2 *sh2);\r
950void REGPARM(3) sh2_peripheral_write32(unsigned int a, unsigned int d, SH2 *sh2);\r
045a4c52 951\r
f3a57b2d 952#else\r
953#define Pico32xInit()\r
954#define PicoPower32x()\r
955#define PicoReset32x()\r
956#define PicoFrame32x()\r
957#define PicoUnload32x()\r
958#define Pico32xStateLoaded()\r
f3a57b2d 959#define FinalizeLine32xRGB555 NULL\r
960#define p32x_pwm_update(...)\r
961#define p32x_timers_recalc()\r
962#endif\r
db1d3564 963\r
45f2f245 964/* avoid dependency on newer glibc */\r
965static __inline int isspace_(int c)\r
966{\r
967 return (0x09 <= c && c <= 0x0d) || c == ' ';\r
968}\r
969\r
f4bb5d6b 970#ifndef ARRAY_SIZE\r
971#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))\r
972#endif\r
973\r
b8cbd802 974// emulation event logging\r
975#ifndef EL_LOGMASK\r
9c9cda8c 976# ifdef __x86_64__ // HACK\r
977# define EL_LOGMASK (EL_STATUS|EL_IDLE|EL_ANOMALY)\r
978# else\r
1555935b 979# define EL_LOGMASK (EL_STATUS)\r
9c9cda8c 980# endif\r
b8cbd802 981#endif\r
982\r
017512f2 983#define EL_HVCNT 0x00000001 /* hv counter reads */\r
984#define EL_SR 0x00000002 /* SR reads */\r
985#define EL_INTS 0x00000004 /* ints and acks */\r
43e6eaad 986#define EL_YMTIMER 0x00000008 /* ym2612 timer stuff */\r
017512f2 987#define EL_INTSW 0x00000010 /* log irq switching on/off */\r
988#define EL_ASVDP 0x00000020 /* VDP accesses during active scan */\r
989#define EL_VDPDMA 0x00000040 /* VDP DMA transfers and their timing */\r
990#define EL_BUSREQ 0x00000080 /* z80 busreq r/w or reset w */\r
991#define EL_Z80BNK 0x00000100 /* z80 i/o through bank area */\r
992#define EL_SRAMIO 0x00000200 /* sram i/o */\r
993#define EL_EEPROM 0x00000400 /* eeprom debug */\r
994#define EL_UIO 0x00000800 /* unmapped i/o */\r
995#define EL_IO 0x00001000 /* all i/o */\r
996#define EL_CDPOLL 0x00002000 /* MCD: log poll detection */\r
997#define EL_SVP 0x00004000 /* SVP stuff */\r
fa22af4c 998#define EL_PICOHW 0x00008000 /* Pico stuff */\r
053fd9b4 999#define EL_IDLE 0x00010000 /* idle loop det. */\r
af37bca8 1000#define EL_CDREGS 0x00020000 /* MCD: register access */\r
1001#define EL_CDREG3 0x00040000 /* MCD: register 3 only */\r
be2c4208 1002#define EL_32X 0x00080000\r
1b3f5844 1003#define EL_PWM 0x00100000 /* 32X PWM stuff (LOTS of output) */\r
045a4c52 1004#define EL_32XP 0x00200000 /* 32X peripherals */\r
ae214f1c 1005#define EL_CD 0x00400000 /* MCD */\r
017512f2 1006\r
1007#define EL_STATUS 0x40000000 /* status messages */\r
1008#define EL_ANOMALY 0x80000000 /* some unexpected conditions (during emulation) */\r
b8cbd802 1009\r
1010#if EL_LOGMASK\r
1011#define elprintf(w,f,...) \\r
a8fd6e37 1012do { \\r
b8cbd802 1013 if ((w) & EL_LOGMASK) \\r
7d0143a2 1014 lprintf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__); \\r
a8fd6e37 1015} while (0)\r
dca310c4 1016#elif defined(_MSC_VER)\r
1017#define elprintf\r
b8cbd802 1018#else\r
1019#define elprintf(w,f,...)\r
1020#endif\r
1021\r
f6c49d38 1022// profiling\r
1023#ifdef PPROF\r
1024#include <platform/linux/pprof.h>\r
1025#else\r
1026#define pprof_init()\r
1027#define pprof_finish()\r
1028#define pprof_start(x)\r
1029#define pprof_end(...)\r
1030#define pprof_end_sub(...)\r
1031#endif\r
1032\r
19886062 1033#ifdef EVT_LOG\r
1034enum evt {\r
1035 EVT_FRAME_START,\r
1036 EVT_NEXT_LINE,\r
1037 EVT_RUN_START,\r
1038 EVT_RUN_END,\r
1039 EVT_POLL_START,\r
1040 EVT_POLL_END,\r
1041 EVT_CNT\r
1042};\r
1043\r
1044enum evt_cpu {\r
1045 EVT_M68K,\r
1046 EVT_S68K,\r
1047 EVT_MSH2,\r
1048 EVT_SSH2,\r
1049 EVT_CPU_CNT\r
1050};\r
1051\r
1052void pevt_log(unsigned int cycles, enum evt_cpu c, enum evt e);\r
1053void pevt_dump(void);\r
1054\r
1055#define pevt_log_m68k(e) \\r
08769494 1056 pevt_log(SekCyclesDone(), EVT_M68K, e)\r
19886062 1057#define pevt_log_m68k_o(e) \\r
08769494 1058 pevt_log(SekCyclesDone(), EVT_M68K, e)\r
19886062 1059#define pevt_log_sh2(sh2, e) \\r
1060 pevt_log(sh2_cycles_done_m68k(sh2), EVT_MSH2 + (sh2)->is_slave, e)\r
1061#define pevt_log_sh2_o(sh2, e) \\r
1062 pevt_log((sh2)->m68krcycles_done, EVT_MSH2 + (sh2)->is_slave, e)\r
1063#else\r
1064#define pevt_log(c, e)\r
1065#define pevt_log_m68k(e)\r
1066#define pevt_log_m68k_o(e)\r
1067#define pevt_log_sh2(sh2, e)\r
1068#define pevt_log_sh2_o(sh2, e)\r
1069#define pevt_dump()\r
1070#endif\r
1071\r
f6c49d38 1072// misc\r
dca310c4 1073#ifdef _MSC_VER\r
1074#define cdprintf\r
1075#else\r
1076#define cdprintf(x...)\r
1077#endif\r
1078\r
8b43bc73 1079#if defined(__GNUC__) && defined(__i386__)\r
553c3eaa 1080#define REGPARM(x) __attribute__((regparm(x)))\r
c8d1e9b6 1081#else\r
553c3eaa 1082#define REGPARM(x)\r
c8d1e9b6 1083#endif\r
1084\r
5e89f0f5 1085#ifdef __GNUC__\r
1086#define NOINLINE __attribute__((noinline))\r
1087#else\r
1088#define NOINLINE\r
1089#endif\r
1090\r
f8af9634 1091#ifdef __cplusplus\r
1092} // End of extern "C"\r
1093#endif\r
1094\r
eff55556 1095#endif // PICO_INTERNAL_INCLUDED\r
1096\r
3162a710 1097// vim:shiftwidth=2:ts=2:expandtab\r