mirror of
https://github.com/mist64/perfect6502.git
synced 2024-12-29 02:31:21 +00:00
33 lines
840 B
C
33 lines
840 B
C
extern unsigned char RAM[65536];
|
|
|
|
extern unsigned char A, X, Y, S;
|
|
extern unsigned short PC;
|
|
extern unsigned char V, B, D, I, C, N, Z;
|
|
|
|
#define SETZ(a) Z=a;
|
|
#define SETSZ(a) Z = (a)? 0:1; N = ((signed char)(a))<0?1:0
|
|
#define SETNC(a) C = (a)&0x100? 0:1
|
|
#define SETV(a) /* not needed */
|
|
#define STACK16(i) (RAM[0x0100+i]|(RAM[0x0100+i+1]<<8))
|
|
#define PUSH(b) RAM[0x0100+S--] = (b)
|
|
#define PUSH_WORD(b) PUSH((b)>>8); PUSH((b)&0xFF)
|
|
|
|
void CHRGET(void);
|
|
void CHRGOT(void);
|
|
|
|
int main(int, char **);
|
|
|
|
#define VEC_ERROR 0x0300
|
|
#define VEC_MAIN 0x0302
|
|
#define VEC_CRNCH 0x0304
|
|
#define VEC_QPLOP 0x0306
|
|
#define VEC_GONE 0x0308
|
|
#define VEC_EVAL 0x030A
|
|
#define MAGIC_ERROR 0xFF00
|
|
#define MAGIC_MAIN 0xFF01
|
|
#define MAGIC_CRNCH 0xFF02
|
|
#define MAGIC_QPLOP 0xFF03
|
|
#define MAGIC_GONE 0xFF04
|
|
#define MAGIC_EVAL 0xFF05
|
|
#define MAGIC_CONTINUATION 0xFFFF
|