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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)); |
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26 | |
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27 | Pico32x.regs[0] = 0x0082; // SH2 reset? |
28 | Pico32x.vdp_regs[0x0a/2] = P32XV_VBLK|P32XV_HBLK|P32XV_PEN; |
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29 | } |
30 | |
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31 | void PicoUnload32x(void) |
32 | { |
33 | if (Pico32xMem != NULL) |
34 | free(Pico32xMem); |
35 | Pico32xMem = NULL; |
36 | |
37 | PicoAHW &= ~PAHW_32X; |
38 | } |
39 | |
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40 | void PicoReset32x(void) |
41 | { |
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42 | extern int p32x_csum_faked; |
43 | p32x_csum_faked = 0; // tmp |
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44 | } |
45 | |
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46 | static void p32x_start_blank(void) |
47 | { |
48 | // enter vblank |
49 | Pico32x.vdp_regs[0x0a/2] |= P32XV_VBLK|P32XV_PEN; |
50 | |
51 | // swap waits until vblank |
52 | if ((Pico32x.vdp_regs[0x0a/2] ^ Pico32x.pending_fb) & P32XV_FS) { |
53 | Pico32x.vdp_regs[0x0a/2] &= ~P32XV_FS; |
54 | Pico32x.vdp_regs[0x0a/2] |= Pico32x.pending_fb; |
55 | Pico32xSwapDRAM(Pico32x.pending_fb ^ 1); |
56 | } |
57 | } |
58 | |
59 | // FIXME.. |
60 | static __inline void SekRunM68k(int cyc) |
61 | { |
62 | int cyc_do; |
63 | SekCycleAim+=cyc; |
64 | if ((cyc_do=SekCycleAim-SekCycleCnt) <= 0) return; |
65 | #if defined(EMU_CORE_DEBUG) |
66 | // this means we do run-compare |
67 | SekCycleCnt+=CM_compareRun(cyc_do, 0); |
68 | #elif defined(EMU_C68K) |
69 | PicoCpuCM68k.cycles=cyc_do; |
70 | CycloneRun(&PicoCpuCM68k); |
71 | SekCycleCnt+=cyc_do-PicoCpuCM68k.cycles; |
72 | #elif defined(EMU_M68K) |
73 | SekCycleCnt+=m68k_execute(cyc_do); |
74 | #elif defined(EMU_F68K) |
75 | SekCycleCnt+=fm68k_emulate(cyc_do+1, 0, 0); |
76 | #endif |
77 | } |
78 | |
79 | #define PICO_32X |
80 | #include "../pico_cmn.c" |
81 | |
82 | void PicoFrame32x(void) |
83 | { |
84 | if ((Pico32x.vdp_regs[0] & 3 ) != 0) // no forced blanking |
85 | Pico32x.vdp_regs[0x0a/2] &= ~(P32XV_VBLK|P32XV_PEN); // get out of vblank |
86 | |
87 | PicoFrameStart(); |
88 | PicoFrameHints(); |
89 | } |