Inc Sp; Increment Stack Pointer By; Inc X; Increment X-Register By - Epson 6200A Core Cpu Manual

3 INSTRUCTION SET

INC SP

Source Format:
Operation:
OP-Code:
Type:
Clock Cycles:
Flag:
Description:
Example:

INC X

Source Format:
Operation:
OP-Code:
Type:
Clock Cycles:
Flag:
Description:
Example:
42

Increment stack pointer by 1

INC SP
SP SP + 1
1 1 1 1 1 1 0 1 1 0 1 1
MSB
VI
5
C – Not affected
Z – Not affected
D – Not affected
I – Not affected
Increments the contents of the stack pointer by 1. This operation does not affect
the flags.
SP 1110 1111
C flag 0
Z flag 0

Increment X-register by 1

INC X
X X + 1
1 1 1 0 1 1 1 0 0 0 0 0
MSB
VI
5
C – Not affected
Z – Not affected
D – Not affected
I – Not affected
Increments the contents of register X by 1. This operation does not affect the
flags.
X register 1111 1110
C flag 1
Z flag 0
FDBH
LSB
INC SP
1111 0000
0
0
EE0H
LSB
INC X
1111 1111
1
0
EPSON
S1C6200/6200A CORE CPU MANUAL