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[Chiptunes-pms150c.git] / fakeasm.h

int flag_z = 0;
int flag_c = 0;
//ignoring flag_ov, flag_ac
#define MOV(dst, src)	dst = src;
#define SL(dst)		flag_c = (dst&0x80); dst <<= 1;
#define SR(dst)		flag_c = (dst&0x01); dst >>= 1;
#define SWAP(dst)	dst = (dst<<4 | dst>>4);
#define AND(dst, src)	dst &= src; flag_z = (dst==0);
#define OR(dst, src)	dst |= src; flag_z = (dst==0);
#define CLEAR(dst)	dst = 0;
#define ADD(dst, src)	dst += src; flag_c = (src+dst>0xff); flag_z = (dst==0);
#define INC(dst)	dst += 1; flag_c = flag_z = (dst==0);
#define ADDC0(dst)	dst += flag_c; flag_c = flag_z = (dst==0);
#define CALL(addr)	addr();
#define XOR(dst, src)	dst ^= src; flag_z = (dst==0);
#define SUB(dst, src)	flag_c = (src > dst); dst -= src; flag_z = (dst==0);
#define XCH(dst)	acc ^= dst; dst ^= acc; acc ^= dst;