X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=Pico%2FSek.c;h=24fda926fbf7ba2d27cef23fd14415052410d5c1;hb=0af33fe0ef24a3e3b65217ad0d7aa2db03d16fc1;hp=3ce710fecb4ed9ad4f1dca0e9eda1beee2cb9c55;hpb=2d0b15bb2c532cacdbc8fcecb915177b1bd5f2af;p=picodrive.git diff --git a/Pico/Sek.c b/Pico/Sek.c index 3ce710f..24fda92 100644 --- a/Pico/Sek.c +++ b/Pico/Sek.c @@ -43,12 +43,13 @@ static int (*ResetCallback)()=DoReset; #ifdef EMU_C68K // interrupt acknowledgment -static void SekIntAck(int level) +static int SekIntAck(int level) { // try to emulate VDP's reaction to 68000 int ack if (level == 4) Pico.video.pending_ints = 0; else if(level == 6) Pico.video.pending_ints &= ~0x20; PicoCpu.irq = 0; + return CYCLONE_INT_ACK_AUTOVECTOR; } static void SekResetAck() @@ -69,7 +70,7 @@ static int SekUnrecognizedOpcode() // see if we are not executing trash if (pc < 0x200 || (pc > Pico.romsize+4 && (pc&0xe00000)!=0xe00000)) { PicoCpu.cycles = 0; - PicoCpu.stopped = 1; + PicoCpu.state_flags |= 1; return 1; } #ifdef EMU_M68K // debugging cyclone @@ -92,6 +93,11 @@ static int SekIntAckM68K(int level) CPU_INT_LEVEL = 0; return M68K_INT_ACK_AUTOVECTOR; } + +static int SekTasCallback(void) +{ + return 0; // no writeback +} #endif @@ -118,6 +124,7 @@ int SekInit() m68k_set_cpu_type(M68K_CPU_TYPE_68000); m68k_init(); m68k_set_int_ack_callback(SekIntAckM68K); + m68k_set_tas_instr_callback(SekTasCallback); m68k_pulse_reset(); // Init cpu emulator m68k_set_context(oldcontext); } @@ -132,7 +139,7 @@ int SekReset() if (Pico.rom==NULL) return 1; #ifdef EMU_C68K - PicoCpu.stopped=0; + PicoCpu.state_flags=0; PicoCpu.osp=0; PicoCpu.srh =0x27; // Supervisor mode PicoCpu.flags=4; // Z set @@ -161,6 +168,13 @@ int SekReset() int SekInterrupt(int irq) { +#if defined(EMU_C68K) && defined(EMU_M68K) + { + extern unsigned int dbg_irq_level; + dbg_irq_level=irq; + return 0; + } +#endif #ifdef EMU_C68K PicoCpu.irq=irq; #endif