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MSM80C154S/83C154S/85C154HVS
244
Mnemonic
Instruction code
D7 D6 D5 D4 D3 D2 D1 D0
Byte Cycle Description Page
Classifi-
cation
Branching instructions
JNZ rel 2 2 (PC)←(PC)+2
IF (A)
≠
0
THEN
(PC)←(PC)+relative offset
01110000
R
7 R6 R5 R4 R3 R2 R1 R0
JC rel 2 2 (PC)←(PC)+2
IF (C)=1
THEN
(PC)←(PC)+relative offset
01000000
R
7 R6 R5 R4 R3 R2 R1 R0
JNC rel 2 2 (PC)←(PC)+2
IF (C)=0
THEN
(PC)←(PC)+relative offset
01010000
R
7 R6 R5 R4 R3 R2 R1 R0
JB bit, rel 3 2 (PC)←(PC)+3
IF (bit address)=1
THEN
(PC)←(PC)+relative offset
00100000
R
7 R6 R5 R4 R3 R2 R1 R0
JNB bit, rel 3 2 (PC)←(PC)+3
IF (bit address)=0
THEN
(PC)←(PC)+relative offset
00110000
R
7 R6 R5 R4 R3 R2 R1 R0
JBC bit, rel 3 2 (PC)←(PC)+3
IF (bit address)=1
THEN
(bit address)←0
(PC)←(PC)+relative offset
305
298
303
294
301
29600010000
R
7 R6 R5 R4 R3 R2 R1 R0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0