ZiLOG Z8 - Page 56

INC
Increment
INC dst
Instruction Format:
ope
Address Hade
Cycles (Hex)
dst
dst OPC
6
rE
r
r=O to
r
L- ______ O_P_C ______ ~I ~I _______ ds_t ______ ~
6
20 R
21
IR
Operation:
Flags:
EXaq>le:
Note:
5-22
dst <-- dst + 1
The destination operand's contents are incremented by one.
C: Unaffected
Z: Set if the result is zero; cleared otherwise
V: Set if arithmetic overflow occurred; cleared otherwise
S: Set if the result is negative; cleared otherwise
H: Unaffected
0: Unaffected
If working register 10 contains %2A, the statement
INC R10
leaves the value %28 in that register. The Z, V, and S flags are cleared.
When used to specify a 4-bit working-register address, address modes R or IR use the
format:
E
dst