//--------------------------------------------------------------------------- extern struct CPU_Regs cpu; //--------------------------------------------------------------------------- //extern char CPU_emul(struct CPU_Regs cpu); extern void CIA_emul(); extern void VIC_emul(); extern void CIA_Reset(); extern void VIC_Reset(); extern void SID_Reset(); extern void CPU_Reset(); extern void C64_Reset(); extern void SID_Create(); extern unsigned int SID_calc_buffer(); extern void VIC_Recalcdatas(); //--------------------------------------------------------------------------- static int start_pc=-1; static int init_breakpoint=-1; //--------------------------------------------------------------------------- static char emulation_run=0; //--------------------------------------------------------------------------- //- Debugging datas --------------------------------------------------------- //--------------------------------------------------------------------------- static char opcodes[256][4]={ "brk\0","ora\0","???\0","???\0","???\0","ora\0","asl\0","???\0","php\0","ora\0","asl\0","???\0","NOP\0","ora\0","asl\0","???\0", // 0x00 "bpl\0","ora\0","???\0","???\0","???\0","ora\0","asl\0","???\0","clc\0","ora\0","NOP\0","???\0","NOP\0","ora\0","asl\0","???\0", // 0x10 "jsr\0","and\0","???\0","???\0","bit\0","and\0","rol\0","???\0","plp\0","and\0","rol\0","???\0","bit\0","and\0","rol\0","???\0", // 0x20 "bmi\0","and\0","???\0","???\0","???\0","and\0","rol\0","???\0","sec\0","and\0","NOP\0","???\0","NOP\0","and\0","rol\0","???\0", // 0x30 "rti\0","eor\0","???\0","???\0","???\0","eor\0","lsr\0","???\0","pha\0","eor\0","lsr\0","???\0","jmp\0","eor\0","lsr\0","???\0", // 0x40 "bvc\0","eor\0","???\0","???\0","???\0","eor\0","lsr\0","???\0","cli\0","eor\0","NOP\0","???\0","NOP\0","eor\0","lsr\0","???\0", // 0x50 "rts\0","adc\0","???\0","???\0","???\0","adc\0","ror\0","???\0","pla\0","adc\0","ror\0","???\0","jmp\0","adc\0","ror\0","???\0", // 0x60 "bvs\0","adc\0","???\0","???\0","???\0","adc\0","ror\0","???\0","sei\0","adc\0","NOP\0","???\0","NOP\0","adc\0","ror\0","???\0", // 0x70 "???\0","sta\0","???\0","???\0","sty\0","sta\0","stx\0","???\0","dey\0","???\0","txa\0","???\0","sty\0","sta\0","stx\0","AXS\0", // 0x80 "bcc\0","sta\0","???\0","???\0","sty\0","sta\0","stx\0","???\0","tya\0","sta\0","txs\0","???\0","???\0","sta\0","???\0","???\0", // 0x90 "ldy\0","lda\0","ldx\0","LDT\0","ldy\0","lda\0","ldx\0","LDT\0","tay\0","lda\0","tax\0","???\0","ldy\0","lda\0","ldx\0","LDT\0", // 0xa0 "bcs\0","lda\0","???\0","LDT\0","ldy\0","lda\0","ldx\0","LDT\0","clv\0","lda\0","tsx\0","???\0","ldy\0","lda\0","ldx\0","LDT\0", // 0xb0 "cpy\0","cmp\0","???\0","???\0","cpy\0","cmp\0","dec\0","DCP\0","iny\0","cmp\0","dex\0","???\0","cpy\0","cmp\0","dec\0","DCP\0", // 0xc0 "bne\0","cmp\0","???\0","???\0","???\0","cmp\0","dec\0","???\0","cld\0","cmp\0","NOP\0","???\0","NOP\0","cmp\0","dec\0","???\0", // 0xd0 "cpx\0","sbc\0","???\0","???\0","cpx\0","sbc\0","inc\0","???\0","inx\0","sbc\0","nop\0","???\0","cpx\0","sbc\0","inc\0","???\0", // 0xe0 "beq\0","sbc\0","???\0","ISB\0","???\0","sbc\0","inc\0","???\0","sed\0","sbc\0","NOP\0","???\0","NOP\0","sbc\0","inc\0","???\0"}; static char codesizetable[256]={ 1,2,1,1,1,2,2,1,1,2,1,1,3,3,3,1, // 0x00 2,2,1,1,1,2,2,1,1,3,1,1,3,3,3,1, // 0x10 3,2,1,1,2,2,2,1,1,2,1,1,3,3,3,1, // 0x20 2,2,1,1,1,2,2,1,1,3,1,1,3,3,3,1, // 0x30 1,2,1,1,1,2,2,1,1,2,1,1,3,3,3,1, // 0x40 2,2,1,1,1,2,2,1,1,3,1,1,3,3,3,1, // 0x50 1,2,1,1,1,2,2,1,1,2,1,1,3,3,3,1, // 0x60 2,2,1,1,1,2,2,1,1,3,1,1,3,3,3,1, // 0x70 1,2,1,1,2,2,2,1,1,1,1,1,3,3,3,3, // 0x80 2,2,1,1,2,2,2,1,1,3,1,1,1,3,1,1, // 0x90 2,2,2,2,2,2,2,2,1,2,1,1,3,3,3,3, // 0xa0 2,2,1,2,2,2,2,2,1,3,1,1,3,3,3,3, // 0xb0 2,2,1,1,2,2,2,2,1,2,1,1,3,3,3,3, // 0xc0 2,2,1,1,1,2,2,1,1,3,1,1,3,3,3,1, // 0xd0 2,2,1,1,2,2,2,1,1,2,1,1,3,3,3,1, // 0xe0 2,2,1,3,1,2,2,1,1,3,1,1,3,3,3,1}; /* 0 - nothin' 1 - ix ($xx,x) 2 - np $xx 3 - abs $xxyy 4 - iy ($xx),y 5 - npx $xx,x 6 - aby $xxyy,y 7 - abx $xxyy,x 8 - rel +-127 9 - ind ($xxyy) 10 - npy $xx,y 11 - dir #$xx 12 - ajm $xxxx */ static char addrmode[256]={ 0,1, 0, 0,0,2, 2, 0,0,11,0,0, 3,3,3,0, // 0x00 8,4, 0, 0,0,5, 5, 0,0, 6,0,0, 3,7,7,0, // 0x10 12,1, 0, 0,2,2, 2, 0,0,11,0,0, 3,3,3,0, // 0x20 8,4, 0, 0,0,5, 5, 0,0, 6,0,0, 3,7,7,0, // 0x30 0,1, 0, 0,0,2, 2, 0,0,11,0,0,12,3,3,0, // 0x40 8,4, 0, 0,0,5, 5, 0,0, 6,0,0, 3,7,7,0, // 0x50 0,1, 0, 0,0,2, 2, 0,0,11,0,0, 9,3,3,0, // 0x60 8,4, 0, 0,0,5, 5, 0,0, 6,0,0, 3,7,7,0, // 0x70 0,1, 0, 0,2,2, 2, 0,0, 0,0,0, 3,3,3,3, // 0x80 8,4, 0, 0,5,5,10, 0,0, 6,0,0, 0,7,0,0, // 0x90 11,1,11, 1,2,2, 2, 2,0,11,0,0, 3,3,3,3, // 0xa0 8,4, 0, 4,5,5,10,10,0, 6,0,0, 7,7,6,6, // 0xb0 11,1, 0, 0,2,2, 2, 2,0,11,0,0, 3,3,3,3, // 0xc0 8,4, 0, 0,0,5, 5, 0,0, 6,0,0, 3,7,7,0, // 0xd0 11,1, 0, 0,2,2, 2, 0,0,11,0,0, 3,3,3,0, // 0xe0 8,4, 0, 0,0,5, 5, 0,0, 6,0,0, 3,7,7,0}; // 0xf0 static unsigned char keycodes_normal[256]={ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x13, 0x9d, 0x91, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5e, 0x00, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x00, 0x3b, 0x00, 0x3d, 0x00, 0x00, 0x00, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3a, 0x2d, 0x2c, 0x2b, 0x2e, 0x2f, 0x5f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x3d, 0x2a, 0x3b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; static unsigned char keycodes_shifted[256]={ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x94, 0x00, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x93, 0x9d, 0x91, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5b, 0x7d, 0x3c, 0x7b, 0x3e, 0x3f, 0x5f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3d, 0x60, 0x5d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; static unsigned char keyb_rowcol[256]={ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x72, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x17, 0x75, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff, 0xff, 0xff, 0x74, 0xff, 0xff, 0xff, 0x63, 0x02, 0x07, 0x02, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x43, 0x70, 0x73, 0x10, 0x13, 0x20, 0x23, 0x30, 0x33, 0x40, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x12, 0x34, 0x24, 0x22, 0x16, 0x25, 0x32, 0x35, 0x41, 0x42, 0x45, 0x52, 0x44, 0x47, 0x46, 0x51, 0x76, 0x21, 0x15, 0x26, 0x36, 0x37, 0x11, 0x27, 0x31, 0x14, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x03, 0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x55, 0x53, 0x57, 0x50, 0x54, 0x67, 0x71, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x56, 0x65, 0x61, 0x62, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; //---------------------------------------------------------------------------