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1 | #include "../pico_int.h" |
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2 | #include "../sound/ym2612.h" |
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3 | |
4 | struct Pico32x Pico32x; |
5 | |
6 | void Pico32xStartup(void) |
7 | { |
8 | elprintf(EL_STATUS|EL_32X, "32X startup"); |
9 | |
10 | PicoAHW |= PAHW_32X; |
11 | PicoMemSetup32x(); |
12 | |
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13 | if (!Pico.m.pal) |
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14 | Pico32x.vdp_regs[0] |= P32XV_nPAL; |
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15 | |
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16 | emu_32x_startup(); |
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17 | } |
18 | |
19 | void Pico32xInit(void) |
20 | { |
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21 | } |
22 | |
23 | void PicoPower32x(void) |
24 | { |
25 | memset(&Pico32x, 0, sizeof(Pico32x)); |
26 | Pico32x.regs[0] = 0x0082; // SH2 reset? |
27 | Pico32x.vdp_regs[0x0a/2] = P32XV_VBLK|P32XV_HBLK|P32XV_PEN; |
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28 | } |
29 | |
30 | void PicoReset32x(void) |
31 | { |
32 | } |
33 | |
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34 | static void p32x_start_blank(void) |
35 | { |
36 | // enter vblank |
37 | Pico32x.vdp_regs[0x0a/2] |= P32XV_VBLK|P32XV_PEN; |
38 | |
39 | // swap waits until vblank |
40 | if ((Pico32x.vdp_regs[0x0a/2] ^ Pico32x.pending_fb) & P32XV_FS) { |
41 | Pico32x.vdp_regs[0x0a/2] &= ~P32XV_FS; |
42 | Pico32x.vdp_regs[0x0a/2] |= Pico32x.pending_fb; |
43 | Pico32xSwapDRAM(Pico32x.pending_fb ^ 1); |
44 | } |
45 | } |
46 | |
47 | // FIXME.. |
48 | static __inline void SekRunM68k(int cyc) |
49 | { |
50 | int cyc_do; |
51 | SekCycleAim+=cyc; |
52 | if ((cyc_do=SekCycleAim-SekCycleCnt) <= 0) return; |
53 | #if defined(EMU_CORE_DEBUG) |
54 | // this means we do run-compare |
55 | SekCycleCnt+=CM_compareRun(cyc_do, 0); |
56 | #elif defined(EMU_C68K) |
57 | PicoCpuCM68k.cycles=cyc_do; |
58 | CycloneRun(&PicoCpuCM68k); |
59 | SekCycleCnt+=cyc_do-PicoCpuCM68k.cycles; |
60 | #elif defined(EMU_M68K) |
61 | SekCycleCnt+=m68k_execute(cyc_do); |
62 | #elif defined(EMU_F68K) |
63 | SekCycleCnt+=fm68k_emulate(cyc_do+1, 0, 0); |
64 | #endif |
65 | } |
66 | |
67 | #define PICO_32X |
68 | #include "../pico_cmn.c" |
69 | |
70 | void PicoFrame32x(void) |
71 | { |
72 | if ((Pico32x.vdp_regs[0] & 3 ) != 0) // no forced blanking |
73 | Pico32x.vdp_regs[0x0a/2] &= ~(P32XV_VBLK|P32XV_PEN); // get out of vblank |
74 | |
75 | PicoFrameStart(); |
76 | PicoFrameHints(); |
77 | } |