Source Format:
Operation:
OP-Code:
Type:
Clock Cycles:
Flag:
Description:
Example:
Source Format:
Operation:
OP-Code:
Type:
Clock Cycles:
Flag:
Description:
Example:
MSB LSB
MSB LSB
C
Z
D
I
C
Z
D
I
S1C6200/6200A CORE CPU MANUAL EPSON 39
3 INSTRUCTION SET
DI Disable interrupts
DI
I 0
111101010111 F57H
VI
7
Not affected
Not affected
Not affected
Reset
Disables all interrupts.
DI
C flag 0 0
Z flag 1 1
D flag 0 0
I flag 1 0
EI Enable interrupts
EI
I 1
111101001000 F48H
VI
7
Not affected
Not affected
Not affected
Set
Enables all interrupts.
EI
C flag 1 1
Z flag 0 0
D flag 0 0
I flag 0 1