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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 716 | lvd | 1 | #include "std.h" |
| 2 | |||
| 3 | #include "emul.h" |
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| 4 | #include "vars.h" |
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| 5 | #include "sound.h" |
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| 6 | #include "draw.h" |
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| 7 | #include "dx.h" |
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| 8 | #include "dxr_rsm.h" |
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| 9 | #include "leds.h" |
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| 10 | #include "memory.h" |
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| 11 | #include "snapshot.h" |
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| 12 | #include "emulkeys.h" |
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| 13 | #include "vs1001.h" |
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| 14 | #include "z80.h" |
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| 15 | |||
| 16 | #include "util.h" |
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| 17 | |||
| 18 | void spectrum_frame() |
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| 19 | { |
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| 20 | if (!temp.inputblock || input.keymode != K_INPUT::KM_DEFAULT) |
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| 21 | input.make_matrix(); |
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| 22 | |||
| 23 | init_snd_frame(); |
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| 24 | init_frame(); |
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| 25 | |||
| 26 | if(cpu.dbgchk) |
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| 27 | { |
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| 28 | cpu.SetDbgMemIf(); |
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| 29 | z80dbg::z80loop(); |
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| 30 | } |
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| 31 | else |
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| 32 | { |
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| 33 | cpu.SetFastMemIf(); |
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| 34 | z80fast::z80loop(); |
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| 35 | } |
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| 36 | if (modem.open_port) |
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| 37 | modem.io(); |
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| 38 | |||
| 39 | flush_snd_frame(); |
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| 40 | flush_frame(); |
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| 41 | showleds(); |
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| 42 | |||
| 43 | if (!cpu.iff1 || // int disabled in CPU |
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| 44 | ((conf.mem_model == MM_ATM710 || conf.mem_model == MM_ATM3) && !(comp.pFF77 & 0x20))) // int disabled by ATM hardware |
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| 45 | { |
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| 46 | unsigned char *mp = am_r(cpu.pc); |
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| 47 | if (cpu.halted) |
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| 48 | { |
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| 49 | strcpy(statusline, "CPU HALTED"); |
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| 50 | statcnt = 10; |
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| 51 | } |
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| 52 | if (*(unsigned short*)mp == WORD2(0x18,0xFE) || |
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| 53 | ((*mp == 0xC3) && *(unsigned short*)(mp+1) == (unsigned short)cpu.pc)) |
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| 54 | { |
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| 55 | strcpy(statusline, "CPU STOPPED"); |
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| 56 | statcnt = 10; |
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| 57 | } |
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| 58 | } |
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| 59 | |||
| 60 | comp.t_states += conf.frame; |
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| 61 | cpu.t -= conf.frame; |
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| 62 | cpu.eipos -= conf.frame; |
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| 63 | comp.frame_counter++; |
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| 64 | } |
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| 65 | |||
| 66 | static void do_idle() |
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| 67 | { |
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| 68 | if(conf.SyncMode != SM_TSC) |
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| 69 | return; |
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| 70 | |||
| 71 | static unsigned long long last_cpu = rdtsc(); |
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| 72 | |||
| 73 | unsigned long long cpu = rdtsc(); |
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| 74 | if(conf.sleepidle && ((cpu-last_cpu) < temp.ticks_frame)) |
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| 75 | { |
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| 76 | ULONG Delay = ULONG(((temp.ticks_frame - (cpu-last_cpu)) * 1000ULL) / temp.cpufq); |
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| 77 | |||
| 78 | if(Delay > 5) |
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| 79 | { |
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| 80 | Sleep(Delay-1); |
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| 81 | } |
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| 82 | } |
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| 83 | |||
| 84 | for (cpu = rdtsc(); (cpu-last_cpu) < temp.ticks_frame; cpu = rdtsc()) |
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| 85 | { |
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| 86 | asm_pause(); |
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| 87 | } |
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| 88 | last_cpu = rdtsc(); |
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| 89 | } |
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| 90 | |||
| 91 | // version before frame resampler |
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| 92 | //uncommented by Alone Coder |
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| 93 | /* |
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| 94 | void mainloop() |
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| 95 | { |
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| 96 | unsigned char skipped = 0; |
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| 97 | for (;;) |
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| 98 | { |
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| 99 | if (skipped < temp.frameskip) |
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| 100 | { |
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| 101 | skipped++; |
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| 102 | temp.vidblock = 1; |
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| 103 | } |
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| 104 | else |
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| 105 | skipped = temp.vidblock = 0; |
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| 106 | |||
| 107 | temp.sndblock = !conf.sound.enabled; |
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| 108 | temp.inputblock = 0; //temp.vidblock; //Alone Coder |
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| 109 | spectrum_frame(); |
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| 110 | |||
| 111 | // message handling before flip (they paint to rbuf) |
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| 112 | if (!temp.inputblock) |
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| 113 | dispatch(conf.atm.xt_kbd ? ac_main_xt : ac_main); |
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| 114 | if (!temp.vidblock) |
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| 115 | flip(); |
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| 116 | if (!temp.sndblock) |
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| 117 | { |
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| 118 | do_sound(); |
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| 119 | Vs1001.Play(); |
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| 120 | |||
| 121 | // if(conf.sound.do_sound != do_sound_ds) |
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| 122 | do_idle(); |
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| 123 | } |
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| 124 | } |
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| 125 | } |
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| 126 | */ |
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| 127 | |||
| 128 | void mainloop(const bool &Exit) |
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| 129 | { |
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| 130 | // printf("%s\n", __FUNCTION__); |
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| 131 | unsigned char skipped = 0; |
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| 132 | for (;!Exit;) |
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| 133 | { |
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| 134 | if (skipped < temp.frameskip) |
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| 135 | { |
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| 136 | skipped++; |
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| 137 | temp.vidblock = 1; |
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| 138 | } |
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| 139 | else |
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| 140 | skipped = temp.vidblock = 0; |
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| 141 | |||
| 142 | if (!temp.vidblock) |
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| 143 | flip(); |
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| 144 | |||
| 145 | for (unsigned f = rsm.needframes[rsm.frame]; f; f--) |
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| 146 | { |
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| 147 | temp.sndblock = !conf.sound.enabled; |
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| 148 | temp.inputblock = temp.vidblock && conf.sound.enabled; |
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| 149 | spectrum_frame(); |
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| 150 | //VideoSaver(); |
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| 151 | if(videosaver_state) |
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| 152 | savevideo_gfx(); |
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| 153 | |||
| 154 | // message handling before flip (they paint to rbuf) |
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| 155 | if (!temp.inputblock) |
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| 156 | { |
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| 157 | dispatch(conf.atm.xt_kbd ? ac_main_xt : ac_main); |
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| 158 | } |
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| 159 | if (!temp.sndblock) |
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| 160 | { |
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| 161 | if(videosaver_state) |
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| 162 | savevideo_snd(); |
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| 163 | do_sound(); |
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| 164 | Vs1001.Play(); |
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| 165 | } |
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| 166 | if (rsm.mix_frames > 1) |
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| 167 | { |
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| 168 | memcpy(rbuf_s + rsm.rbuf_dst * rb2_offs, rbuf, temp.scx * temp.scy / 4); |
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| 169 | if (++rsm.rbuf_dst == rsm.mix_frames) |
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| 170 | rsm.rbuf_dst = 0; |
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| 171 | } |
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| 172 | if (!temp.sndblock) |
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| 173 | { |
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| 174 | do_idle(); |
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| 175 | } |
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| 176 | } |
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| 177 | |||
| 178 | if (++rsm.frame == rsm.period) |
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| 179 | rsm.frame = 0; |
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| 180 | |||
| 181 | } |
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| 182 | correct_exit(); |
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| 183 | } |