ABOV SEMICONDUCTOR MC81F4204 - Page 148

MC81F4204
148 April 24, 2012 Ver.1.41
NO. MNEMONIC
OP
CODE
BYTE
NO
CYCLE
NO
OPERATION
FLAG
NVGBHIZC
83 SBC !abs 27 3 4
84 SBC !abs + Y 35 3 5
85 SBC [ dp + X ] 36 2 6
86 SBC [ dp ] + Y 37 2 6
87 SBC { X } 34 1 3
88 TST dlp 4C 2 3
Test memory contents for negative or zero
( dp ) – 00H
N-----Z-
89 XCN CE 1 5
Exchange nibbles within the accumulator
A7~A4 ↔ A3~A0
N-----Z-