Epson 6200A - Manual (Page 45)

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
1 1 1 1 0 1 0 1 0 1 1 1 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
1 1 1 1 0 1 0 0 1 0 0 0 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