W741C260 Datasheet, PDF (56/92 Pages) Winbond – 4-BIT MICROCONTROLLER

W741C260
Instruction Set Table 2, continued
INC R
Increment R contents
Machine Code:
01001010
0 R6 R5 R4 R3 R2 R1 R0
Machine Cycle:
Operation:
Description:
Flag Affected:
JB0 L
1
ACC, R ← (R) + 1
Increment the data memory contents and load the result into the ACC and
the data memory.
CF & ZF
Jump when bit 0 of ACC is "1"
Machine Code:
1 0 0 0 0 L10 L9 L8
L7 L6 L5 L4 L3 L2 L1 L0
Machine Cycle:
Operation:
1
PC10−PC0 ← L10−L0; if ACC.0 = "1"
Description:
JB1 L
If bit 0 of the ACC is "1," PC10 to PC0 of the program counter are replaced
with the data specified by L10 to L0 and a jump occurs. If bit 0 of the ACC
is "0," the program counter (PC) is incremented.
Jump when bit 1 of ACC is "1"
Machine Code:
1 0 0 1 0 L10 L9 L8
L7 L6 L5 L4 L3 L2 L1 L0
Machine Cycle:
Operation:
1
PC10−PC0 ← L10−L0; if ACC.1 = "1"
Description:
If bit 1 of the ACC is "1," PC10 to PC0 of the program counter are replaced
with the data specified by L10 to L0 and a jump occurs. If bit 1 of the ACC
is "0," the program counter (PC) is incremented.
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