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 |
cc68a136 |
14 | #include <string.h>\r |
bce14421 |
15 | #include "pico_port.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 |
32 | extern "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 |
39 | extern 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 |
64 | extern 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 |
12f23dac |
83 | #define SekShouldInterrupt() fm68k_would_interrupt(&PicoCpuFM68k)\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 |
95 | extern 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 |
142 | extern unsigned int SekCycleCntS68k;\r |
143 | extern 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 |
167 | extern 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 |
cf83610b |
172 | #define z80_int_assert(a) drZ80.Z80_IRQ = (a)\r |
835122bc |
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 |
cf83610b |
185 | #define z80_int_assert(a) Cz80_Set_IRQ(&CZ80, 0, (a) ? ASSERT_LINE : CLEAR_LINE)\r |
835122bc |
186 | #define z80_nmi() Cz80_Set_IRQ(&CZ80, IRQ_LINE_NMI, 0)\r |
4b9c5888 |
187 | \r |
188 | #define z80_cyclesLeft (CZ80.ICount - CZ80.ExtraCycles)\r |
d1b8bcc6 |
189 | #define z80_subCLeft(c) CZ80.ICount -= c\r |
19954be1 |
190 | #define z80_pc() Cz80_Get_Reg(&CZ80, CZ80_PC)\r |
b542be46 |
191 | \r |
192 | #else\r |
193 | \r |
194 | #define z80_run(cycles) (cycles)\r |
195 | #define z80_run_nr(cycles)\r |
196 | #define z80_int()\r |
cf83610b |
197 | #define z80_int_assert(a)\r |
835122bc |
198 | #define z80_nmi()\r |
b542be46 |
199 | \r |
200 | #endif\r |
201 | \r |
b4db550e |
202 | #define Z80_STATE_SIZE 0x60\r |
203 | \r |
4b9c5888 |
204 | #define z80_resetCycles() \\r |
88fd63ad |
205 | Pico.t.z80c_cnt = Pico.t.z80c_aim = Pico.t.z80_scanline = 0\r |
4b9c5888 |
206 | \r |
207 | #define z80_cyclesDone() \\r |
88fd63ad |
208 | (Pico.t.z80c_aim - z80_cyclesLeft)\r |
4b9c5888 |
209 | \r |
3162a710 |
210 | #define cycles_68k_to_z80(x) ((x) * 3823 >> 13)\r |
4b9c5888 |
211 | \r |
acd35d4c |
212 | // ----------------------- SH2 CPU -----------------------\r |
213 | \r |
41397701 |
214 | #include "cpu/sh2/sh2.h"\r |
acd35d4c |
215 | \r |
1d7a28a7 |
216 | extern SH2 sh2s[2];\r |
217 | #define msh2 sh2s[0]\r |
218 | #define ssh2 sh2s[1]\r |
219 | \r |
679af8a3 |
220 | #ifndef DRC_SH2\r |
19886062 |
221 | # define sh2_end_run(sh2, after_) do { \\r |
222 | if ((sh2)->icount > (after_)) { \\r |
c1931173 |
223 | (sh2)->cycles_timeslice -= (sh2)->icount - (after_); \\r |
19886062 |
224 | (sh2)->icount = after_; \\r |
a8fd6e37 |
225 | } \\r |
226 | } while (0)\r |
19886062 |
227 | # define sh2_cycles_left(sh2) (sh2)->icount\r |
8a847c12 |
228 | # define sh2_burn_cycles(sh2, n) (sh2)->icount -= n\r |
f81107f5 |
229 | # define sh2_pc(sh2) (sh2)->ppc\r |
679af8a3 |
230 | #else\r |
19886062 |
231 | # define sh2_end_run(sh2, after_) do { \\r |
232 | int left_ = (signed int)(sh2)->sr >> 12; \\r |
233 | if (left_ > (after_)) { \\r |
c1931173 |
234 | (sh2)->cycles_timeslice -= left_ - (after_); \\r |
f4c0720c |
235 | (sh2)->sr &= 0xfff; \\r |
19886062 |
236 | (sh2)->sr |= (after_) << 12; \\r |
a8fd6e37 |
237 | } \\r |
238 | } while (0)\r |
19886062 |
239 | # define sh2_cycles_left(sh2) ((signed int)(sh2)->sr >> 12)\r |
8a847c12 |
240 | # define sh2_burn_cycles(sh2, n) (sh2)->sr -= ((n) << 12)\r |
f81107f5 |
241 | # define sh2_pc(sh2) (sh2)->pc\r |
679af8a3 |
242 | #endif\r |
266c6afa |
243 | \r |
19886062 |
244 | #define sh2_cycles_done(sh2) ((int)(sh2)->cycles_timeslice - sh2_cycles_left(sh2))\r |
a7f82a77 |
245 | #define sh2_cycles_done_t(sh2) \\r |
246 | ((sh2)->m68krcycles_done * 3 + sh2_cycles_done(sh2))\r |
19886062 |
247 | #define sh2_cycles_done_m68k(sh2) \\r |
248 | ((sh2)->m68krcycles_done + (sh2_cycles_done(sh2) / 3))\r |
249 | \r |
4ea707e1 |
250 | #define sh2_reg(c, x) (c) ? ssh2.r[x] : msh2.r[x]\r |
251 | #define sh2_gbr(c) (c) ? ssh2.gbr : msh2.gbr\r |
252 | #define sh2_vbr(c) (c) ? ssh2.vbr : msh2.vbr\r |
6add7875 |
253 | #define sh2_sr(c) (((c) ? ssh2.sr : msh2.sr) & 0xfff)\r |
acd35d4c |
254 | \r |
83ff19ec |
255 | #define sh2_set_gbr(c, v) \\r |
256 | { if (c) ssh2.gbr = v; else msh2.gbr = v; }\r |
257 | #define sh2_set_vbr(c, v) \\r |
258 | { if (c) ssh2.vbr = v; else msh2.vbr = v; }\r |
259 | \r |
f8675e28 |
260 | #define elprintf_sh2(sh2, w, f, ...) \\r |
261 | elprintf(w,"%csh2 "f,(sh2)->is_slave?'s':'m',##__VA_ARGS__)\r |
262 | \r |
cc68a136 |
263 | // ---------------------------------------------------------\r |
264 | \r |
265 | // main oscillator clock which controls timing\r |
266 | #define OSC_NTSC 53693100\r |
b8cbd802 |
267 | #define OSC_PAL 53203424\r |
cc68a136 |
268 | \r |
e42a47e2 |
269 | // PicoVideo.debug_p\r |
e0bcb7a9 |
270 | #define PVD_KILL_A (1 << 0)\r |
271 | #define PVD_KILL_B (1 << 1)\r |
272 | #define PVD_KILL_S_LO (1 << 2)\r |
273 | #define PVD_KILL_S_HI (1 << 3)\r |
274 | #define PVD_KILL_32X (1 << 4)\r |
275 | #define PVD_FORCE_A (1 << 5)\r |
276 | #define PVD_FORCE_B (1 << 6)\r |
277 | #define PVD_FORCE_S (1 << 7)\r |
278 | \r |
e42a47e2 |
279 | // PicoVideo.status, not part of real SR\r |
280 | #define SR_PAL (1 << 0)\r |
281 | #define SR_DMA (1 << 1)\r |
282 | #define SR_HB (1 << 2)\r |
283 | #define SR_VB (1 << 3)\r |
284 | #define SR_ODD (1 << 4)\r |
285 | #define SR_C (1 << 5)\r |
286 | #define SR_SOVR (1 << 6)\r |
287 | #define SR_F (1 << 7)\r |
288 | #define SR_FULL (1 << 8)\r |
289 | #define SR_EMPT (1 << 9)\r |
290 | // not part of real SR\r |
291 | #define PVS_ACTIVE (1 << 16)\r |
0e4bde9b |
292 | #define PVS_VB2 (1 << 17) // ignores forced blanking\r |
e42a47e2 |
293 | \r |
cc68a136 |
294 | struct PicoVideo\r |
295 | {\r |
296 | unsigned char reg[0x20];\r |
b8cbd802 |
297 | unsigned int command; // 32-bit Command\r |
298 | unsigned char pending; // 1 if waiting for second half of 32-bit command\r |
299 | unsigned char type; // Command type (v/c/vsram read/write)\r |
300 | unsigned short addr; // Read/Write address\r |
e42a47e2 |
301 | unsigned int status; // Status bits (SR) and extra flags\r |
cc68a136 |
302 | unsigned char pending_ints; // pending interrupts: ??VH????\r |
b8cbd802 |
303 | signed char lwrite_cnt; // VDP write count during active display line\r |
9761a7d0 |
304 | unsigned short v_counter; // V-counter\r |
e0bcb7a9 |
305 | unsigned short debug; // raw debug register\r |
306 | unsigned char debug_p; // ... parsed: PVD_*\r |
e42a47e2 |
307 | unsigned char addr_u; // bit16 of .addr\r |
308 | unsigned char hint_cnt;\r |
309 | unsigned char pad[0x0b];\r |
cc68a136 |
310 | };\r |
311 | \r |
312 | struct PicoMisc\r |
313 | {\r |
314 | unsigned char rotate;\r |
315 | unsigned char z80Run;\r |
e5503e2f |
316 | unsigned char padTHPhase[2]; // 02 phase of gamepad TH switches\r |
2aa27095 |
317 | unsigned short scanline; // 04 0 to 261||311\r |
e5503e2f |
318 | char dirtyPal; // 06 Is the palette dirty (1 - change @ this frame, 2 - some time before)\r |
319 | unsigned char hardware; // 07 Hardware value for country\r |
320 | unsigned char pal; // 08 1=PAL 0=NTSC\r |
45f2f245 |
321 | unsigned char sram_reg; // 09 SRAM reg. See SRR_* below\r |
e5503e2f |
322 | unsigned short z80_bank68k; // 0a\r |
be2c4208 |
323 | unsigned short pad0;\r |
fa8fb754 |
324 | unsigned char ncart_in; // 0e !cart_in\r |
0ace9b9a |
325 | unsigned char z80_reset; // 0f z80 reset held\r |
e5503e2f |
326 | unsigned char padDelay[2]; // 10 gamepad phase time outs, so we count a delay\r |
1dceadae |
327 | unsigned short eeprom_addr; // EEPROM address register\r |
45f2f245 |
328 | unsigned char eeprom_cycle; // EEPROM cycle number\r |
1dceadae |
329 | unsigned char eeprom_slave; // EEPROM slave word for X24C02 and better SRAMs\r |
45f2f245 |
330 | unsigned char eeprom_status;\r |
93f9619e |
331 | unsigned char status; // rapid_ym2612, multi_ym_updates\r |
053fd9b4 |
332 | unsigned short dma_xfers; // 18\r |
45f2f245 |
333 | unsigned char eeprom_wb[2]; // EEPROM latch/write buffer\r |
053fd9b4 |
334 | unsigned int frame_count; // 1c for movies and idle det\r |
cc68a136 |
335 | };\r |
336 | \r |
b4db550e |
337 | struct PicoMS\r |
338 | {\r |
339 | unsigned char carthw[0x10];\r |
340 | unsigned char io_ctl;\r |
835122bc |
341 | unsigned char nmi_state;\r |
342 | unsigned char pad[0x4e];\r |
b4db550e |
343 | };\r |
344 | \r |
ea38612f |
345 | // emu state and data for the asm code\r |
346 | struct PicoEState\r |
347 | {\r |
348 | int DrawScanline;\r |
349 | int rendstatus;\r |
98a27142 |
350 | void *DrawLineDest; // draw destination\r |
99bdfd31 |
351 | unsigned char *HighCol;\r |
352 | int *HighPreSpr;\r |
88fd63ad |
353 | struct Pico *Pico;\r |
354 | void *PicoMem_vram;\r |
355 | void *PicoMem_cram;\r |
93f9619e |
356 | unsigned int *PicoOpt;\r |
98a27142 |
357 | unsigned char *Draw2FB;\r |
358 | unsigned short HighPal[0x100];\r |
ea38612f |
359 | };\r |
360 | \r |
88fd63ad |
361 | struct PicoMem\r |
cc68a136 |
362 | {\r |
363 | unsigned char ram[0x10000]; // 0x00000 scratch ram\r |
200772b7 |
364 | union { // vram is byteswapped for easier reads when drawing\r |
2ec9bec5 |
365 | unsigned short vram[0x8000]; // 0x10000\r |
366 | unsigned char vramb[0x4000]; // VRAM in SMS mode\r |
367 | };\r |
cc68a136 |
368 | unsigned char zram[0x2000]; // 0x20000 Z80 ram\r |
b4db550e |
369 | unsigned char ioports[0x10]; // XXX: fix asm and mv\r |
cf07a88d |
370 | unsigned short cram[0x40]; // 0x22010\r |
371 | unsigned char pad[0x70]; // 0x22050 DrawStripVSRam reads 0 from here\r |
372 | unsigned short vsram[0x40]; // 0x22100\r |
cc68a136 |
373 | };\r |
374 | \r |
375 | // sram\r |
45f2f245 |
376 | #define SRR_MAPPED (1 << 0)\r |
377 | #define SRR_READONLY (1 << 1)\r |
378 | \r |
379 | #define SRF_ENABLED (1 << 0)\r |
380 | #define SRF_EEPROM (1 << 1)\r |
af37bca8 |
381 | \r |
88fd63ad |
382 | struct PicoCartSave\r |
cc68a136 |
383 | {\r |
4ff2d527 |
384 | unsigned char *data; // actual data\r |
385 | unsigned int start; // start address in 68k address space\r |
cc68a136 |
386 | unsigned int end;\r |
45f2f245 |
387 | unsigned char flags; // 0c: SRF_*\r |
1dceadae |
388 | unsigned char unused2;\r |
cc68a136 |
389 | unsigned char changed;\r |
45f2f245 |
390 | unsigned char eeprom_type; // eeprom type: 0: 7bit (24C01), 2: 2 addr words (X24C02+), 3: 3 addr words\r |
391 | unsigned char unused3;\r |
1dceadae |
392 | unsigned char eeprom_bit_cl; // bit number for cl\r |
393 | unsigned char eeprom_bit_in; // bit number for in\r |
394 | unsigned char eeprom_bit_out; // bit number for out\r |
45f2f245 |
395 | unsigned int size;\r |
cc68a136 |
396 | };\r |
397 | \r |
88fd63ad |
398 | struct PicoTiming\r |
399 | {\r |
400 | // while running, cnt represents target of current timeslice\r |
401 | // while not in SekRun(), it's actual cycles done\r |
402 | // (but always use SekCyclesDone() if you need current position)\r |
403 | // _cnt may change if timeslice is ended prematurely or extended,\r |
404 | // so we use _aim for the actual target\r |
405 | unsigned int m68c_cnt;\r |
406 | unsigned int m68c_aim;\r |
407 | unsigned int m68c_frame_start; // m68k cycles\r |
408 | unsigned int m68c_line_start;\r |
409 | \r |
410 | unsigned int z80c_cnt; // z80 cycles done (this frame)\r |
411 | unsigned int z80c_aim;\r |
412 | int z80_scanline;\r |
6311a3ba |
413 | \r |
414 | int timer_a_next_oflow, timer_a_step; // in z80 cycles\r |
415 | int timer_b_next_oflow, timer_b_step;\r |
416 | };\r |
417 | \r |
418 | struct PicoSound\r |
419 | {\r |
420 | short len; // number of mono samples\r |
421 | short len_use; // adjusted\r |
422 | int len_e_add; // for non-int samples/frame\r |
423 | int len_e_cnt;\r |
424 | short dac_line;\r |
425 | short psg_line;\r |
88fd63ad |
426 | };\r |
427 | \r |
428 | // run tools/mkoffsets pico/pico_int_o32.h if you change these\r |
429 | // careful with savestate compat\r |
430 | struct Pico\r |
431 | {\r |
432 | struct PicoVideo video;\r |
433 | struct PicoMisc m;\r |
434 | struct PicoTiming t;\r |
435 | struct PicoCartSave sv;\r |
6311a3ba |
436 | struct PicoSound snd;\r |
88fd63ad |
437 | struct PicoEState est;\r |
438 | struct PicoMS ms;\r |
439 | \r |
440 | unsigned char *rom;\r |
441 | unsigned int romsize;\r |
442 | };\r |
443 | \r |
cc68a136 |
444 | // MCD\r |
33be04ca |
445 | #define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1)\r |
446 | \r |
4f265db7 |
447 | struct mcd_pcm\r |
448 | {\r |
449 | unsigned char control; // reg7\r |
450 | unsigned char enabled; // reg8\r |
451 | unsigned char cur_ch;\r |
452 | unsigned char bank;\r |
33be04ca |
453 | unsigned int update_cycles;\r |
4f265db7 |
454 | \r |
4ff2d527 |
455 | struct pcm_chan // 08, size 0x10\r |
4f265db7 |
456 | {\r |
457 | unsigned char regs[8];\r |
4ff2d527 |
458 | unsigned int addr; // .08: played sample address\r |
4f265db7 |
459 | int pad;\r |
460 | } ch[8];\r |
461 | };\r |
462 | \r |
4fb43555 |
463 | #define PCD_ST_S68K_RST 1\r |
464 | \r |
c459aefd |
465 | struct mcd_misc\r |
466 | {\r |
6901d0e4 |
467 | unsigned short hint_vector;\r |
468 | unsigned char busreq; // not s68k_regs[1]\r |
469 | unsigned char s68k_pend_ints;\r |
470 | unsigned int state_flags; // 04\r |
471 | unsigned int stopwatch_base_c;\r |
472 | unsigned short m68k_poll_a;\r |
473 | unsigned short m68k_poll_cnt;\r |
474 | unsigned short s68k_poll_a;\r |
475 | unsigned short s68k_poll_cnt;\r |
476 | unsigned int s68k_poll_clk;\r |
477 | unsigned char bcram_reg; // 18: battery-backed RAM cart register\r |
478 | unsigned char dmna_ret_2m;\r |
479 | unsigned char need_sync;\r |
480 | unsigned char pad3;\r |
481 | int pad4[9];\r |
c459aefd |
482 | };\r |
483 | \r |
cc68a136 |
484 | typedef struct\r |
485 | {\r |
3f23709e |
486 | unsigned char bios[0x20000]; // 000000: 128K\r |
487 | union { // 020000: 512K\r |
488 | unsigned char prg_ram[0x80000];\r |
489 | unsigned char prg_ram_b[4][0x20000];\r |
490 | };\r |
491 | union { // 0a0000: 256K\r |
492 | struct {\r |
493 | unsigned char word_ram2M[0x40000];\r |
494 | unsigned char unused0[0x20000];\r |
495 | };\r |
496 | struct {\r |
497 | unsigned char unused1[0x20000];\r |
498 | unsigned char word_ram1M[2][0x20000];\r |
499 | };\r |
500 | };\r |
501 | union { // 100000: 64K\r |
502 | unsigned char pcm_ram[0x10000];\r |
503 | unsigned char pcm_ram_b[0x10][0x1000];\r |
504 | };\r |
f47d0a28 |
505 | unsigned char s68k_regs[0x200]; // 110000: GA, not CPU regs\r |
3f23709e |
506 | unsigned char bram[0x2000]; // 110200: 8K\r |
507 | struct mcd_misc m; // 112200: misc\r |
508 | struct mcd_pcm pcm; // 112240:\r |
274fcc35 |
509 | void *cdda_stream;\r |
510 | int cdda_type;\r |
3f23709e |
511 | int pcm_mixbuf[PCM_MIXBUF_LEN * 2];\r |
512 | int pcm_mixpos;\r |
513 | char pcm_mixbuf_dirty;\r |
514 | char pcm_regs_dirty;\r |
cc68a136 |
515 | } mcd_state;\r |
516 | \r |
be2c4208 |
517 | // XXX: this will need to be reworked for cart+cd support.\r |
cc68a136 |
518 | #define Pico_mcd ((mcd_state *)Pico.rom)\r |
519 | \r |
be2c4208 |
520 | // 32X\r |
acd35d4c |
521 | #define P32XS_FM (1<<15)\r |
fa8fb754 |
522 | #define P32XS_nCART (1<< 8)\r |
83ff19ec |
523 | #define P32XS_REN (1<< 7)\r |
524 | #define P32XS_nRES (1<< 1)\r |
525 | #define P32XS_ADEN (1<< 0)\r |
acd35d4c |
526 | #define P32XS2_ADEN (1<< 9)\r |
5e128c6d |
527 | #define P32XS_FULL (1<< 7) // DREQ FIFO full\r |
4ea707e1 |
528 | #define P32XS_68S (1<< 2)\r |
97d3f47f |
529 | #define P32XS_DMA (1<< 1)\r |
4ea707e1 |
530 | #define P32XS_RV (1<< 0)\r |
acd35d4c |
531 | \r |
5e128c6d |
532 | #define P32XV_nPAL (1<<15) // VDP\r |
acd35d4c |
533 | #define P32XV_PRI (1<< 7)\r |
4ea707e1 |
534 | #define P32XV_Mx (3<< 0) // display mode mask\r |
974fdb5b |
535 | \r |
e51e5983 |
536 | #define P32XV_SFT (1<< 0)\r |
537 | \r |
acd35d4c |
538 | #define P32XV_VBLK (1<<15)\r |
539 | #define P32XV_HBLK (1<<14)\r |
540 | #define P32XV_PEN (1<<13)\r |
541 | #define P32XV_nFEN (1<< 1)\r |
542 | #define P32XV_FS (1<< 0)\r |
974fdb5b |
543 | \r |
df63f1a6 |
544 | #define P32XP_RTP (1<<7) // PWM control\r |
545 | #define P32XP_FULL (1<<15) // PWM pulse\r |
db1d3564 |
546 | #define P32XP_EMPTY (1<<14)\r |
547 | \r |
419973a6 |
548 | #define P32XF_68KCPOLL (1 << 0)\r |
549 | #define P32XF_68KVPOLL (1 << 1)\r |
550 | #define P32XF_Z80_32X_IO (1 << 7) // z80 does 32x io\r |
8b9dbcde |
551 | #define P32XF_DRC_ROM_C (1 << 8) // cached code from ROM\r |
4ea707e1 |
552 | \r |
553 | #define P32XI_VRES (1 << 14/2) // IRL/2\r |
554 | #define P32XI_VINT (1 << 12/2)\r |
555 | #define P32XI_HINT (1 << 10/2)\r |
556 | #define P32XI_CMD (1 << 8/2)\r |
557 | #define P32XI_PWM (1 << 6/2)\r |
558 | \r |
1d7a28a7 |
559 | // peripheral reg access\r |
560 | #define PREG8(regs,offs) ((unsigned char *)regs)[offs ^ 3]\r |
561 | \r |
7eaa3812 |
562 | #define DMAC_FIFO_LEN (4*2)\r |
db1d3564 |
563 | #define PWM_BUFF_LEN 1024 // in one channel samples\r |
266c6afa |
564 | \r |
f4bb5d6b |
565 | #define SH2_DRCBLK_RAM_SHIFT 1\r |
566 | #define SH2_DRCBLK_DA_SHIFT 1\r |
567 | \r |
f81107f5 |
568 | #define SH2_READ_SHIFT 25\r |
e05b81fc |
569 | #define SH2_WRITE_SHIFT 25\r |
570 | \r |
be2c4208 |
571 | struct Pico32x\r |
572 | {\r |
573 | unsigned short regs[0x20];\r |
5a681086 |
574 | unsigned short vdp_regs[0x10]; // 0x40\r |
575 | unsigned short sh2_regs[3]; // 0x60\r |
be2c4208 |
576 | unsigned char pending_fb;\r |
974fdb5b |
577 | unsigned char dirty_pal;\r |
266c6afa |
578 | unsigned int emu_flags;\r |
4ea707e1 |
579 | unsigned char sh2irq_mask[2];\r |
580 | unsigned char sh2irqi[2]; // individual\r |
581 | unsigned int sh2irqs; // common irqs\r |
582 | unsigned short dmac_fifo[DMAC_FIFO_LEN];\r |
7eaa3812 |
583 | unsigned int pad[4];\r |
df63f1a6 |
584 | unsigned int dmac0_fifo_ptr;\r |
4a1fb183 |
585 | unsigned short vdp_fbcr_fake;\r |
7eaa3812 |
586 | unsigned short pad2;\r |
31fbc691 |
587 | unsigned char comm_dirty;\r |
588 | unsigned char pad3; // was comm_dirty_sh2\r |
df63f1a6 |
589 | unsigned char pwm_irq_cnt;\r |
590 | unsigned char pad1;\r |
a7f82a77 |
591 | unsigned short pwm_p[2]; // pwm pos in fifo\r |
592 | unsigned int pwm_cycle_p; // pwm play cursor (32x cycles)\r |
593 | unsigned int reserved[6];\r |
974fdb5b |
594 | };\r |
595 | \r |
596 | struct Pico32xMem\r |
597 | {\r |
598 | unsigned char sdram[0x40000];\r |
f4bb5d6b |
599 | #ifdef DRC_SH2\r |
600 | unsigned short drcblk_ram[1 << (18 - SH2_DRCBLK_RAM_SHIFT)];\r |
601 | #endif\r |
b78efee2 |
602 | unsigned short dram[2][0x20000/2]; // AKA fb\r |
b4db550e |
603 | union {\r |
604 | unsigned char m68k_rom[0x100];\r |
605 | unsigned char m68k_rom_bank[0x10000]; // M68K_BANK_SIZE\r |
606 | };\r |
f4bb5d6b |
607 | #ifdef DRC_SH2\r |
608 | unsigned short drcblk_da[2][1 << (12 - SH2_DRCBLK_DA_SHIFT)];\r |
609 | #endif\r |
895d1512 |
610 | union {\r |
611 | unsigned char b[0x800];\r |
612 | unsigned short w[0x800/2];\r |
613 | } sh2_rom_m;\r |
614 | union {\r |
615 | unsigned char b[0x400];\r |
616 | unsigned short w[0x400/2];\r |
617 | } sh2_rom_s;\r |
974fdb5b |
618 | unsigned short pal[0x100];\r |
5e128c6d |
619 | unsigned short pal_native[0x100]; // converted to native (for renderer)\r |
db1d3564 |
620 | signed short pwm[2*PWM_BUFF_LEN]; // PWM buffer for current frame\r |
8ce9c3a7 |
621 | signed short pwm_current[2]; // current converted samples\r |
622 | unsigned short pwm_fifo[2][4]; // [0] - current raw, others - fifo entries\r |
be2c4208 |
623 | };\r |
d49b10c2 |
624 | \r |
c8d1e9b6 |
625 | // area.c\r |
fad24893 |
626 | extern void (*PicoLoadStateHook)(void);\r |
51a902ae |
627 | \r |
945c2fdc |
628 | typedef struct {\r |
629 | int chunk;\r |
630 | int size;\r |
631 | void *ptr;\r |
632 | } carthw_state_chunk;\r |
633 | extern carthw_state_chunk *carthw_chunks;\r |
634 | #define CHUNK_CARTHW 64\r |
635 | \r |
c8d1e9b6 |
636 | // cart.c\r |
b4db550e |
637 | extern int PicoCartResize(int newsize);\r |
638 | extern void Byteswap(void *dst, const void *src, int len);\r |
45f2f245 |
639 | extern void (*PicoCartMemSetup)(void);\r |
e807ac75 |
640 | extern void (*PicoCartUnloadHook)(void);\r |
1dceadae |
641 | \r |
c8d1e9b6 |
642 | // debug.c\r |
b5e5172d |
643 | int CM_compareRun(int cyc, int is_sub);\r |
03e4f2a3 |
644 | \r |
c8d1e9b6 |
645 | // draw.c\r |
99bdfd31 |
646 | void PicoDrawInit(void);\r |
eff55556 |
647 | PICO_INTERNAL void PicoFrameStart(void);\r |
b6d7ac70 |
648 | void PicoDrawSync(int to, int blank_last_line);\r |
99bdfd31 |
649 | void BackFill(int reg7, int sh, struct PicoEState *est);\r |
ea38612f |
650 | void FinalizeLine555(int sh, int line, struct PicoEState *est);\r |
f4750ee0 |
651 | extern int (*PicoScanBegin)(unsigned int num);\r |
652 | extern int (*PicoScanEnd)(unsigned int num);\r |
f579f7b8 |
653 | #define MAX_LINE_SPRITES 29\r |
654 | extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];\r |
5a681086 |
655 | extern void *DrawLineDestBase;\r |
656 | extern int DrawLineDestIncrement;\r |
cc68a136 |
657 | \r |
c8d1e9b6 |
658 | // draw2.c\r |
98a27142 |
659 | void PicoDraw2Init(void);\r |
eff55556 |
660 | PICO_INTERNAL void PicoFrameFull();\r |
cc68a136 |
661 | \r |
200772b7 |
662 | // mode4.c\r |
663 | void PicoFrameStartMode4(void);\r |
664 | void PicoLineMode4(int line);\r |
665 | void PicoDoHighPal555M4(void);\r |
5a681086 |
666 | void PicoDrawSetOutputMode4(pdso_t which);\r |
200772b7 |
667 | \r |
c8d1e9b6 |
668 | // memory.c\r |
eff55556 |
669 | PICO_INTERNAL void PicoMemSetup(void);\r |
af37bca8 |
670 | unsigned int PicoRead8_io(unsigned int a);\r |
671 | unsigned int PicoRead16_io(unsigned int a);\r |
672 | void PicoWrite8_io(unsigned int a, unsigned int d);\r |
673 | void PicoWrite16_io(unsigned int a, unsigned int d);\r |
674 | \r |
675 | // pico/memory.c\r |
676 | PICO_INTERNAL void PicoMemSetupPico(void);\r |
cc68a136 |
677 | \r |
3f23709e |
678 | // cd/cdc.c\r |
679 | void cdc_init(void);\r |
680 | void cdc_reset(void);\r |
681 | int cdc_context_save(unsigned char *state);\r |
682 | int cdc_context_load(unsigned char *state);\r |
683 | int cdc_context_load_old(unsigned char *state);\r |
684 | void cdc_dma_update(void);\r |
685 | int cdc_decoder_update(unsigned char header[4]);\r |
686 | void cdc_reg_w(unsigned char data);\r |
687 | unsigned char cdc_reg_r(void);\r |
688 | unsigned short cdc_host_r(void);\r |
689 | \r |
274fcc35 |
690 | // cd/cdd.c\r |
691 | void cdd_reset(void);\r |
692 | int cdd_context_save(unsigned char *state);\r |
693 | int cdd_context_load(unsigned char *state);\r |
694 | int cdd_context_load_old(unsigned char *state);\r |
695 | void cdd_read_data(unsigned char *dst);\r |
696 | void cdd_read_audio(unsigned int samples);\r |
697 | void cdd_update(void);\r |
698 | void cdd_process(void);\r |
699 | \r |
700 | // cd/cd_image.c\r |
701 | int load_cd_image(const char *cd_img_name, int *type);\r |
702 | \r |
a93a80de |
703 | // cd/gfx.c\r |
704 | void gfx_init(void);\r |
705 | void gfx_start(unsigned int base);\r |
706 | void gfx_update(unsigned int cycles);\r |
707 | int gfx_context_save(unsigned char *state);\r |
708 | int gfx_context_load(const unsigned char *state);\r |
709 | \r |
710 | // cd/gfx_dma.c\r |
711 | void DmaSlowCell(unsigned int source, unsigned int a, int len, unsigned char inc);\r |
712 | \r |
c8d1e9b6 |
713 | // cd/memory.c\r |
eff55556 |
714 | PICO_INTERNAL void PicoMemSetupCD(void);\r |
fa8fb754 |
715 | unsigned int PicoRead8_mcd_io(unsigned int a);\r |
716 | unsigned int PicoRead16_mcd_io(unsigned int a);\r |
717 | void PicoWrite8_mcd_io(unsigned int a, unsigned int d);\r |
718 | void PicoWrite16_mcd_io(unsigned int a, unsigned int d);\r |
ae214f1c |
719 | void pcd_state_loaded_mem(void);\r |
cc68a136 |
720 | \r |
c8d1e9b6 |
721 | // pico.c\r |
cc68a136 |
722 | extern struct Pico Pico;\r |
88fd63ad |
723 | extern struct PicoMem PicoMem;\r |
f8ef8ff7 |
724 | extern void (*PicoResetHook)(void);\r |
b0677887 |
725 | extern void (*PicoLineHook)(void);\r |
1e6b5e39 |
726 | PICO_INTERNAL int CheckDMA(void);\r |
727 | PICO_INTERNAL void PicoDetectRegion(void);\r |
ae214f1c |
728 | PICO_INTERNAL void PicoSyncZ80(unsigned int m68k_cycles_done);\r |
cc68a136 |
729 | \r |
89dbbf2b |
730 | // cd/mcd.c\r |
ae214f1c |
731 | #define PCDS_IEN1 (1<<1)\r |
732 | #define PCDS_IEN2 (1<<2)\r |
733 | #define PCDS_IEN3 (1<<3)\r |
734 | #define PCDS_IEN4 (1<<4)\r |
735 | #define PCDS_IEN5 (1<<5)\r |
736 | #define PCDS_IEN6 (1<<6)\r |
cc68a136 |
737 | \r |
2aa27095 |
738 | PICO_INTERNAL void PicoInitMCD(void);\r |
e5f426aa |
739 | PICO_INTERNAL void PicoExitMCD(void);\r |
1cb1584b |
740 | PICO_INTERNAL void PicoPowerMCD(void);\r |
2aa27095 |
741 | PICO_INTERNAL int PicoResetMCD(void);\r |
742 | PICO_INTERNAL void PicoFrameMCD(void);\r |
cc68a136 |
743 | \r |
ae214f1c |
744 | enum pcd_event {\r |
745 | PCD_EVENT_CDC,\r |
746 | PCD_EVENT_TIMER3,\r |
747 | PCD_EVENT_GFX,\r |
748 | PCD_EVENT_DMA,\r |
749 | PCD_EVENT_COUNT,\r |
750 | };\r |
751 | extern unsigned int pcd_event_times[PCD_EVENT_COUNT];\r |
752 | void pcd_event_schedule(unsigned int now, enum pcd_event event, int after);\r |
753 | void pcd_event_schedule_s68k(enum pcd_event event, int after);\r |
a6523294 |
754 | void pcd_prepare_frame(void);\r |
ae214f1c |
755 | unsigned int pcd_cycles_m68k_to_s68k(unsigned int c);\r |
08769494 |
756 | int pcd_sync_s68k(unsigned int m68k_target, int m68k_poll_sync);\r |
fa8fb754 |
757 | void pcd_run_cpus(int m68k_cycles);\r |
d0132772 |
758 | void pcd_soft_reset(void);\r |
ae214f1c |
759 | void pcd_state_loaded(void);\r |
760 | \r |
33be04ca |
761 | // cd/pcm.c\r |
762 | void pcd_pcm_sync(unsigned int to);\r |
763 | void pcd_pcm_update(int *buffer, int length, int stereo);\r |
764 | void pcd_pcm_write(unsigned int a, unsigned int d);\r |
765 | unsigned int pcd_pcm_read(unsigned int a);\r |
766 | \r |
c8d1e9b6 |
767 | // pico/pico.c\r |
2aa27095 |
768 | PICO_INTERNAL void PicoInitPico(void);\r |
ed367a3f |
769 | PICO_INTERNAL void PicoReratePico(void);\r |
9037e45d |
770 | \r |
c8d1e9b6 |
771 | // pico/xpcm.c\r |
ef4eb506 |
772 | PICO_INTERNAL void PicoPicoPCMUpdate(short *buffer, int length, int stereo);\r |
773 | PICO_INTERNAL void PicoPicoPCMReset(void);\r |
213c16ad |
774 | PICO_INTERNAL void PicoPicoPCMRerate(int xpcm_rate);\r |
ef4eb506 |
775 | \r |
c8d1e9b6 |
776 | // sek.c\r |
2aa27095 |
777 | PICO_INTERNAL void SekInit(void);\r |
778 | PICO_INTERNAL int SekReset(void);\r |
3aa1e148 |
779 | PICO_INTERNAL void SekState(int *data);\r |
eff55556 |
780 | PICO_INTERNAL void SekSetRealTAS(int use_real);\r |
b4db550e |
781 | PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub);\r |
782 | PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub);\r |
5f9a0d16 |
783 | void SekStepM68k(void);\r |
053fd9b4 |
784 | void SekInitIdleDet(void);\r |
785 | void SekFinishIdleDet(void);\r |
12da51c2 |
786 | #if defined(CPU_CMP_R) || defined(CPU_CMP_W)\r |
787 | void SekTrace(int is_s68k);\r |
788 | #else\r |
789 | #define SekTrace(x)\r |
790 | #endif\r |
cc68a136 |
791 | \r |
c8d1e9b6 |
792 | // cd/sek.c\r |
2aa27095 |
793 | PICO_INTERNAL void SekInitS68k(void);\r |
794 | PICO_INTERNAL int SekResetS68k(void);\r |
795 | PICO_INTERNAL int SekInterruptS68k(int irq);\r |
3f23709e |
796 | void SekInterruptClearS68k(int irq);\r |
cc68a136 |
797 | \r |
7a93adeb |
798 | // sound/sound.c\r |
c9e1affc |
799 | extern short cdda_out_buffer[2*1152];\r |
43e6eaad |
800 | \r |
274fcc35 |
801 | void cdda_start_play(int lba_base, int lba_offset, int lb_len);\r |
802 | \r |
43e6eaad |
803 | void ym2612_sync_timers(int z80_cycles, int mode_old, int mode_new);\r |
d2721b08 |
804 | void ym2612_pack_state(void);\r |
453d2a6e |
805 | void ym2612_unpack_state(void);\r |
4b9c5888 |
806 | \r |
e53704e6 |
807 | #define TIMER_NO_OFLOW 0x70000000\r |
45a1ef71 |
808 | // tA = 72 * (1024 - NA) / M\r |
809 | #define TIMER_A_TICK_ZCYCLES 17203\r |
810 | // tB = 1152 * (256 - NA) / M\r |
811 | #define TIMER_B_TICK_ZCYCLES 262800 // 275251 broken, see Dai Makaimura\r |
e53704e6 |
812 | \r |
4b9c5888 |
813 | #define timers_cycle() \\r |
6311a3ba |
814 | if (Pico.t.timer_a_next_oflow > 0 && Pico.t.timer_a_next_oflow < TIMER_NO_OFLOW) \\r |
815 | Pico.t.timer_a_next_oflow -= Pico.m.pal ? 70938*256 : 59659*256; \\r |
816 | if (Pico.t.timer_b_next_oflow > 0 && Pico.t.timer_b_next_oflow < TIMER_NO_OFLOW) \\r |
817 | Pico.t.timer_b_next_oflow -= Pico.m.pal ? 70938*256 : 59659*256; \\r |
43e6eaad |
818 | ym2612_sync_timers(0, ym2612.OPN.ST.mode, ym2612.OPN.ST.mode);\r |
4b9c5888 |
819 | \r |
820 | #define timers_reset() \\r |
6311a3ba |
821 | Pico.t.timer_a_next_oflow = Pico.t.timer_b_next_oflow = TIMER_NO_OFLOW; \\r |
822 | Pico.t.timer_a_step = TIMER_A_TICK_ZCYCLES * 1024; \\r |
823 | Pico.t.timer_b_step = TIMER_B_TICK_ZCYCLES * 256;\r |
43e6eaad |
824 | \r |
7a93adeb |
825 | \r |
c8d1e9b6 |
826 | // videoport.c\r |
eff55556 |
827 | PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d);\r |
828 | PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a);\r |
75b84e4b |
829 | unsigned char PicoVideoRead8DataH(void);\r |
830 | unsigned char PicoVideoRead8DataL(void);\r |
831 | unsigned char PicoVideoRead8CtlH(void);\r |
832 | unsigned char PicoVideoRead8CtlL(void);\r |
833 | unsigned char PicoVideoRead8HV_H(void);\r |
834 | unsigned char PicoVideoRead8HV_L(void);\r |
0c7d1ba3 |
835 | extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask);\r |
cc68a136 |
836 | \r |
c8d1e9b6 |
837 | // misc.c\r |
eff55556 |
838 | PICO_INTERNAL_ASM void memcpy16bswap(unsigned short *dest, void *src, int count);\r |
fbba0ff6 |
839 | PICO_INTERNAL_ASM void memset32(void *dest, int c, int count);\r |
cc68a136 |
840 | \r |
45f2f245 |
841 | // eeprom.c\r |
842 | void EEPROM_write8(unsigned int a, unsigned int d);\r |
843 | void EEPROM_write16(unsigned int d);\r |
844 | unsigned int EEPROM_read(void);\r |
845 | \r |
c8d1e9b6 |
846 | // z80 functionality wrappers\r |
847 | PICO_INTERNAL void z80_init(void);\r |
b4db550e |
848 | PICO_INTERNAL void z80_pack(void *data);\r |
849 | PICO_INTERNAL int z80_unpack(const void *data);\r |
c8d1e9b6 |
850 | PICO_INTERNAL void z80_reset(void);\r |
851 | PICO_INTERNAL void z80_exit(void);\r |
c8d1e9b6 |
852 | \r |
853 | // cd/misc.c\r |
eff55556 |
854 | PICO_INTERNAL_ASM void wram_2M_to_1M(unsigned char *m);\r |
855 | PICO_INTERNAL_ASM void wram_1M_to_2M(unsigned char *m);\r |
856 | \r |
eff55556 |
857 | // sound/sound.c\r |
9d917eea |
858 | PICO_INTERNAL void PsndReset(void);\r |
4f2cdbf5 |
859 | PICO_INTERNAL void PsndStartFrame(void);\r |
4b9c5888 |
860 | PICO_INTERNAL void PsndDoDAC(int line_to);\r |
5d638db0 |
861 | PICO_INTERNAL void PsndDoPSG(int line_to);\r |
9d917eea |
862 | PICO_INTERNAL void PsndClear(void);\r |
7b3f44c6 |
863 | PICO_INTERNAL void PsndGetSamples(int y);\r |
2ec9bec5 |
864 | PICO_INTERNAL void PsndGetSamplesMS(void);\r |
cc68a136 |
865 | \r |
3e49ffd0 |
866 | // sms.c\r |
f3a57b2d |
867 | #ifndef NO_SMS\r |
3e49ffd0 |
868 | void PicoPowerMS(void);\r |
2ec9bec5 |
869 | void PicoResetMS(void);\r |
3e49ffd0 |
870 | void PicoMemSetupMS(void);\r |
b4db550e |
871 | void PicoStateLoadedMS(void);\r |
3e49ffd0 |
872 | void PicoFrameMS(void);\r |
87b0845f |
873 | void PicoFrameDrawOnlyMS(void);\r |
f3a57b2d |
874 | #else\r |
875 | #define PicoPowerMS()\r |
876 | #define PicoResetMS()\r |
877 | #define PicoMemSetupMS()\r |
878 | #define PicoStateLoadedMS()\r |
879 | #define PicoFrameMS()\r |
880 | #define PicoFrameDrawOnlyMS()\r |
881 | #endif\r |
3e49ffd0 |
882 | \r |
be2c4208 |
883 | // 32x/32x.c\r |
f3a57b2d |
884 | #ifndef NO_32X\r |
be2c4208 |
885 | extern struct Pico32x Pico32x;\r |
6a98f03e |
886 | enum p32x_event {\r |
887 | P32X_EVENT_PWM,\r |
888 | P32X_EVENT_FILLEND,\r |
5ac99d9a |
889 | P32X_EVENT_HINT,\r |
6a98f03e |
890 | P32X_EVENT_COUNT,\r |
891 | };\r |
ae214f1c |
892 | extern unsigned int p32x_event_times[P32X_EVENT_COUNT];\r |
6a98f03e |
893 | \r |
be2c4208 |
894 | void Pico32xInit(void);\r |
974fdb5b |
895 | void PicoPower32x(void);\r |
be2c4208 |
896 | void PicoReset32x(void);\r |
974fdb5b |
897 | void Pico32xStartup(void);\r |
5e49c3a8 |
898 | void PicoUnload32x(void);\r |
974fdb5b |
899 | void PicoFrame32x(void);\r |
27e26273 |
900 | void Pico32xStateLoaded(int is_early);\r |
ed4402a7 |
901 | void p32x_sync_sh2s(unsigned int m68k_target);\r |
19886062 |
902 | void p32x_sync_other_sh2(SH2 *sh2, unsigned int m68k_target);\r |
4d5dfee8 |
903 | void p32x_update_irls(SH2 *active_sh2, int m68k_cycles);\r |
9e1fa0a6 |
904 | void p32x_trigger_irq(SH2 *sh2, int m68k_cycles, unsigned int mask);\r |
905 | void p32x_update_cmd_irq(SH2 *sh2, int m68k_cycles);\r |
83ff19ec |
906 | void p32x_reset_sh2s(void);\r |
19886062 |
907 | void p32x_event_schedule(unsigned int now, enum p32x_event event, int after);\r |
908 | void p32x_event_schedule_sh2(SH2 *sh2, enum p32x_event event, int after);\r |
5ac99d9a |
909 | void p32x_schedule_hint(SH2 *sh2, int m68k_cycles);\r |
a8fd6e37 |
910 | \r |
be2c4208 |
911 | // 32x/memory.c\r |
88fd63ad |
912 | extern struct Pico32xMem *Pico32xMem;\r |
be2c4208 |
913 | unsigned int PicoRead8_32x(unsigned int a);\r |
914 | unsigned int PicoRead16_32x(unsigned int a);\r |
915 | void PicoWrite8_32x(unsigned int a, unsigned int d);\r |
916 | void PicoWrite16_32x(unsigned int a, unsigned int d);\r |
917 | void PicoMemSetup32x(void);\r |
974fdb5b |
918 | void Pico32xSwapDRAM(int b);\r |
27e26273 |
919 | void Pico32xMemStateLoaded(void);\r |
8b9dbcde |
920 | void p32x_update_banks(void);\r |
19886062 |
921 | void p32x_m68k_poll_event(unsigned int flags);\r |
922 | void p32x_sh2_poll_event(SH2 *sh2, unsigned int flags, unsigned int m68k_cycles);\r |
974fdb5b |
923 | \r |
924 | // 32x/draw.c\r |
41946d70 |
925 | void PicoDrawSetOutFormat32x(pdso_t which, int use_32x_line_mode);\r |
ea38612f |
926 | void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est);\r |
5a681086 |
927 | void PicoDraw32xLayer(int offs, int lines, int mdbg);\r |
7a961c19 |
928 | void PicoDraw32xLayerMdOnly(int offs, int lines);\r |
f4750ee0 |
929 | extern int (*PicoScan32xBegin)(unsigned int num);\r |
930 | extern int (*PicoScan32xEnd)(unsigned int num);\r |
7a961c19 |
931 | enum {\r |
932 | PDM32X_OFF,\r |
933 | PDM32X_32X_ONLY,\r |
934 | PDM32X_BOTH,\r |
935 | };\r |
5a681086 |
936 | extern int Pico32xDrawMode;\r |
be2c4208 |
937 | \r |
db1d3564 |
938 | // 32x/pwm.c\r |
c1931173 |
939 | unsigned int p32x_pwm_read16(unsigned int a, SH2 *sh2,\r |
940 | unsigned int m68k_cycles);\r |
941 | void p32x_pwm_write16(unsigned int a, unsigned int d,\r |
942 | SH2 *sh2, unsigned int m68k_cycles);\r |
db1d3564 |
943 | void p32x_pwm_update(int *buf32, int length, int stereo);\r |
045a4c52 |
944 | void p32x_pwm_ctl_changed(void);\r |
df63f1a6 |
945 | void p32x_pwm_schedule(unsigned int m68k_now);\r |
19886062 |
946 | void p32x_pwm_schedule_sh2(SH2 *sh2);\r |
9e1fa0a6 |
947 | void p32x_pwm_sync_to_sh2(SH2 *sh2);\r |
df63f1a6 |
948 | void p32x_pwm_irq_event(unsigned int m68k_now);\r |
949 | void p32x_pwm_state_loaded(void);\r |
045a4c52 |
950 | \r |
951 | // 32x/sh2soc.c\r |
952 | void p32x_dreq0_trigger(void);\r |
953 | void p32x_dreq1_trigger(void);\r |
954 | void p32x_timers_recalc(void);\r |
955 | void p32x_timers_do(unsigned int m68k_slice);\r |
cd0ace28 |
956 | void sh2_peripheral_reset(SH2 *sh2);\r |
f81107f5 |
957 | unsigned int sh2_peripheral_read8(unsigned int a, SH2 *sh2);\r |
958 | unsigned int sh2_peripheral_read16(unsigned int a, SH2 *sh2);\r |
959 | unsigned int sh2_peripheral_read32(unsigned int a, SH2 *sh2);\r |
8b43bc73 |
960 | void REGPARM(3) sh2_peripheral_write8(unsigned int a, unsigned int d, SH2 *sh2);\r |
961 | void REGPARM(3) sh2_peripheral_write16(unsigned int a, unsigned int d, SH2 *sh2);\r |
962 | void REGPARM(3) sh2_peripheral_write32(unsigned int a, unsigned int d, SH2 *sh2);\r |
045a4c52 |
963 | \r |
f3a57b2d |
964 | #else\r |
965 | #define Pico32xInit()\r |
966 | #define PicoPower32x()\r |
967 | #define PicoReset32x()\r |
968 | #define PicoFrame32x()\r |
969 | #define PicoUnload32x()\r |
970 | #define Pico32xStateLoaded()\r |
f3a57b2d |
971 | #define FinalizeLine32xRGB555 NULL\r |
972 | #define p32x_pwm_update(...)\r |
973 | #define p32x_timers_recalc()\r |
974 | #endif\r |
db1d3564 |
975 | \r |
45f2f245 |
976 | /* avoid dependency on newer glibc */\r |
977 | static __inline int isspace_(int c)\r |
978 | {\r |
979 | return (0x09 <= c && c <= 0x0d) || c == ' ';\r |
980 | }\r |
981 | \r |
f4bb5d6b |
982 | #ifndef ARRAY_SIZE\r |
983 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))\r |
984 | #endif\r |
985 | \r |
b8cbd802 |
986 | // emulation event logging\r |
987 | #ifndef EL_LOGMASK\r |
9c9cda8c |
988 | # ifdef __x86_64__ // HACK\r |
91be5ebd |
989 | # define EL_LOGMASK (EL_STATUS|EL_ANOMALY)\r |
9c9cda8c |
990 | # else\r |
1555935b |
991 | # define EL_LOGMASK (EL_STATUS)\r |
9c9cda8c |
992 | # endif\r |
b8cbd802 |
993 | #endif\r |
994 | \r |
017512f2 |
995 | #define EL_HVCNT 0x00000001 /* hv counter reads */\r |
996 | #define EL_SR 0x00000002 /* SR reads */\r |
997 | #define EL_INTS 0x00000004 /* ints and acks */\r |
43e6eaad |
998 | #define EL_YMTIMER 0x00000008 /* ym2612 timer stuff */\r |
017512f2 |
999 | #define EL_INTSW 0x00000010 /* log irq switching on/off */\r |
1000 | #define EL_ASVDP 0x00000020 /* VDP accesses during active scan */\r |
1001 | #define EL_VDPDMA 0x00000040 /* VDP DMA transfers and their timing */\r |
1002 | #define EL_BUSREQ 0x00000080 /* z80 busreq r/w or reset w */\r |
1003 | #define EL_Z80BNK 0x00000100 /* z80 i/o through bank area */\r |
1004 | #define EL_SRAMIO 0x00000200 /* sram i/o */\r |
1005 | #define EL_EEPROM 0x00000400 /* eeprom debug */\r |
1006 | #define EL_UIO 0x00000800 /* unmapped i/o */\r |
1007 | #define EL_IO 0x00001000 /* all i/o */\r |
1008 | #define EL_CDPOLL 0x00002000 /* MCD: log poll detection */\r |
1009 | #define EL_SVP 0x00004000 /* SVP stuff */\r |
fa22af4c |
1010 | #define EL_PICOHW 0x00008000 /* Pico stuff */\r |
053fd9b4 |
1011 | #define EL_IDLE 0x00010000 /* idle loop det. */\r |
af37bca8 |
1012 | #define EL_CDREGS 0x00020000 /* MCD: register access */\r |
1013 | #define EL_CDREG3 0x00040000 /* MCD: register 3 only */\r |
be2c4208 |
1014 | #define EL_32X 0x00080000\r |
1b3f5844 |
1015 | #define EL_PWM 0x00100000 /* 32X PWM stuff (LOTS of output) */\r |
045a4c52 |
1016 | #define EL_32XP 0x00200000 /* 32X peripherals */\r |
ae214f1c |
1017 | #define EL_CD 0x00400000 /* MCD */\r |
017512f2 |
1018 | \r |
1019 | #define EL_STATUS 0x40000000 /* status messages */\r |
1020 | #define EL_ANOMALY 0x80000000 /* some unexpected conditions (during emulation) */\r |
b8cbd802 |
1021 | \r |
1022 | #if EL_LOGMASK\r |
1023 | #define elprintf(w,f,...) \\r |
a8fd6e37 |
1024 | do { \\r |
b8cbd802 |
1025 | if ((w) & EL_LOGMASK) \\r |
7d0143a2 |
1026 | lprintf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__); \\r |
a8fd6e37 |
1027 | } while (0)\r |
dca310c4 |
1028 | #elif defined(_MSC_VER)\r |
1029 | #define elprintf\r |
b8cbd802 |
1030 | #else\r |
1031 | #define elprintf(w,f,...)\r |
1032 | #endif\r |
1033 | \r |
f6c49d38 |
1034 | // profiling\r |
1035 | #ifdef PPROF\r |
1036 | #include <platform/linux/pprof.h>\r |
1037 | #else\r |
1038 | #define pprof_init()\r |
1039 | #define pprof_finish()\r |
1040 | #define pprof_start(x)\r |
1041 | #define pprof_end(...)\r |
1042 | #define pprof_end_sub(...)\r |
1043 | #endif\r |
1044 | \r |
19886062 |
1045 | #ifdef EVT_LOG\r |
1046 | enum evt {\r |
1047 | EVT_FRAME_START,\r |
1048 | EVT_NEXT_LINE,\r |
1049 | EVT_RUN_START,\r |
1050 | EVT_RUN_END,\r |
1051 | EVT_POLL_START,\r |
1052 | EVT_POLL_END,\r |
1053 | EVT_CNT\r |
1054 | };\r |
1055 | \r |
1056 | enum evt_cpu {\r |
1057 | EVT_M68K,\r |
1058 | EVT_S68K,\r |
1059 | EVT_MSH2,\r |
1060 | EVT_SSH2,\r |
1061 | EVT_CPU_CNT\r |
1062 | };\r |
1063 | \r |
1064 | void pevt_log(unsigned int cycles, enum evt_cpu c, enum evt e);\r |
1065 | void pevt_dump(void);\r |
1066 | \r |
1067 | #define pevt_log_m68k(e) \\r |
08769494 |
1068 | pevt_log(SekCyclesDone(), EVT_M68K, e)\r |
19886062 |
1069 | #define pevt_log_m68k_o(e) \\r |
08769494 |
1070 | pevt_log(SekCyclesDone(), EVT_M68K, e)\r |
19886062 |
1071 | #define pevt_log_sh2(sh2, e) \\r |
1072 | pevt_log(sh2_cycles_done_m68k(sh2), EVT_MSH2 + (sh2)->is_slave, e)\r |
1073 | #define pevt_log_sh2_o(sh2, e) \\r |
1074 | pevt_log((sh2)->m68krcycles_done, EVT_MSH2 + (sh2)->is_slave, e)\r |
1075 | #else\r |
1076 | #define pevt_log(c, e)\r |
1077 | #define pevt_log_m68k(e)\r |
1078 | #define pevt_log_m68k_o(e)\r |
1079 | #define pevt_log_sh2(sh2, e)\r |
1080 | #define pevt_log_sh2_o(sh2, e)\r |
1081 | #define pevt_dump()\r |
1082 | #endif\r |
1083 | \r |
f8af9634 |
1084 | #ifdef __cplusplus\r |
1085 | } // End of extern "C"\r |
1086 | #endif\r |
1087 | \r |
eff55556 |
1088 | #endif // PICO_INTERNAL_INCLUDED\r |
1089 | \r |
3162a710 |
1090 | // vim:shiftwidth=2:ts=2:expandtab\r |