Arithmetic // SUB
The s operand is subtracted from the contents of the Accumulator, and the result is stored in the Accumulator.
If the Accumulator contents are 29h, and the D Register contains 11h, then upon the execution of a SUB D instruction, the Accumulator contains 18h.
sub b 0x90,
1 bytes, 4Tsub c 0x91,
1 bytes, 4Tsub d 0x92,
1 bytes, 4Tsub e 0x93,
1 bytes, 4Tsub h 0x94,
1 bytes, 4Tsub l 0x95,
1 bytes, 4Tsub (hl) 0x96,
1 bytes, 7Tsub a 0x97,
1 bytes, 4Tsub * 0xD6,
2 bytes, 7Tsub ixh 0xDD94,
2 bytes, 8Tsub ixl 0xDD95,
2 bytes, 8Tsub (ix+*) 0xDD96,
3 bytes, 19Tsub iyh 0xFD94,
2 bytes, 8Tsub iyl 0xFD95,
2 bytes, 8Tsub (iy+*) 0xFD96,
3 bytes, 19T