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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 716 | lvd | 1 | // └фЁхё ьюцхЄ яЁхт√°рЄ№ 0xFFFF |
| 2 | // (ўЄюс√ т ърцфющ ъюьрэфх ЁрсюЄ√ ё ЁхушёЄЁрьш эх фхырЄ№ &= 0xFFFF) |
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| 3 | Z80INLINE unsigned char xm(unsigned addr) |
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| 4 | { |
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| 5 | addr &= 0xFFFF; |
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| 6 | |||
| 7 | unsigned char byte = *am_r(addr); |
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| 8 | if ((addr & 0xE000) == 0x6000) |
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| 9 | gs_byte_to_dac(addr, byte); |
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| 10 | return byte; |
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| 11 | } |
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| 12 | |||
| 13 | // └фЁхё ьюцхЄ яЁхт√°рЄ№ 0xFFFF |
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| 14 | // (ўЄюс√ т ърцфющ ъюьрэфх ЁрсюЄ√ ё ЁхушёЄЁрьш эх фхырЄ№ &= 0xFFFF) |
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| 15 | Z80INLINE unsigned char rm(unsigned addr) |
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| 16 | { |
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| 17 | addr &= 0xFFFF; |
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| 18 | #ifdef Z80_DBG |
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| 19 | unsigned char *membit = z80gs::membits + (addr & 0xFFFF); |
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| 20 | *membit |= MEMBITS_R; |
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| 21 | dbgbreak |= (*membit & MEMBITS_BPR); |
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| 22 | gscpu.dbgbreak |= (*membit & MEMBITS_BPR); |
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| 23 | #endif |
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| 24 | |||
| 25 | return xm(addr); |
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| 26 | } |
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| 27 | |||
| 28 | // └фЁхё ьюцхЄ яЁхт√°рЄ№ 0xFFFF |
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| 29 | // (ўЄюс√ т ърцфющ ъюьрэфх ЁрсюЄ√ ё ЁхушёЄЁрьш эх фхырЄ№ &= 0xFFFF) |
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| 30 | Z80INLINE void wm(unsigned addr, unsigned char val) |
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| 31 | { |
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| 32 | addr &= 0xFFFF; |
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| 33 | #ifdef Z80_DBG |
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| 34 | unsigned char *membit = z80gs::membits + (addr & 0xFFFF); |
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| 35 | *membit |= MEMBITS_W; |
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| 36 | dbgbreak |= (*membit & MEMBITS_BPW); |
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| 37 | gscpu.dbgbreak |= (*membit & MEMBITS_BPW); |
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| 38 | #endif |
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| 39 | |||
| 40 | u8 *bank = gsbankw[(addr >> 14) & 3]; |
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| 41 | #ifndef TRASH_PAGE |
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| 42 | if (!bank) |
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| 43 | return; |
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| 44 | #endif |
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| 45 | bank[addr & (PAGE-1)] = val; |
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| 46 | } |
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| 47 | |||
| 796 | DimkaM | 48 | static void z80loop() |
| 716 | lvd | 49 | { |
| 50 | u64 end = u64((float(cpu.t) * float(GSCPUFQI)) / float(conf.frame) + 0.5f);//((cpu.t * mult_gs2) >> MULT_GS_SHIFT); //; // t*GSCPUFQI/conf.frame; |
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| 51 | end += gscpu_t_at_frame_start; |
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| 52 | for (;;) |
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| 53 | { // while (gs_t_states+gscpu.t < end) |
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| 54 | // assert(end >= gs_t_states); |
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| 55 | // int max_gscpu_t = min(GSCPUINT, (int)(end - gs_t_states)); |
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| 56 | /* |
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| 57 | if(gs_t_states + gscpu.t >= end) |
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| 58 | { |
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| 59 | printf("%s->SyncLost %llu, %u, %llu\n", __FUNCTION__, gs_t_states, gscpu.t, end); |
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| 60 | } |
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| 61 | else |
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| 62 | { |
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| 63 | printf("%s->SyncOk %llu, %u, %llu\n", __FUNCTION__, gs_t_states, gscpu.t, end); |
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| 64 | } |
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| 65 | */ |
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| 66 | while ((gs_t_states + gscpu.t < end) && (gscpu.t < GSCPUINT)) // (int)gscpu.t < max_gscpu_t |
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| 67 | { |
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| 68 | #ifdef Z80_DBG |
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| 69 | debug_events(&gscpu); |
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| 70 | #endif |
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| 71 | /* [vv] |
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| 72 | if (gscpu.halted) |
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| 73 | { |
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| 74 | unsigned st = (GSCPUINT - gscpu.t - 1) / 4 + 1; |
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| 75 | gscpu.t += 4 * st; |
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| 76 | gscpu.r_low += st; |
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| 77 | break; |
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| 78 | } |
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| 79 | */ |
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| 80 | stepi(); |
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| 81 | } |
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| 82 | if (gscpu.t < GSCPUINT) |
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| 83 | break; |
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| 84 | |||
| 85 | gscpu.int_pend = true; |
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| 86 | if (gscpu.iff1 && gscpu.t != gscpu.eipos) // interrupt, but not after EI |
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| 87 | handle_int(&gscpu, gscpu.IntVec()); |
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| 88 | |||
| 89 | gscpu.t -= GSCPUINT; |
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| 90 | gs_t_states += GSCPUINT; |
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| 91 | } |
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| 92 | } |