Epson S1C6200A - Set Flags Using Immediate Data I; Set Decimal Flag; Set F,I

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 79
3 INSTRUCTION SET
SDF Set decimal flag
SDF
D ← 1
11110100 0 100 F44H
VI
7
Not affected
Not affected
Set
Not affected
Sets the D (decimal) flag.
SDF
D flag 0 1
SET F,i Set flags using immediate data i
SET F,i
F ← F ∨ i
3 to i0
11110100 i3 i2 i1 i0 F40H to F4FH
IV
7
Set if i0 is 1; otherwise, not affected.
Set if i
1 is 1; otherwise, not affected.
Set if i
2 is 1; otherwise, not affected.
Set if i
3 is 1; otherwise, not affected.
Performs a logical OR operation between immediate data i and the contents of the
flags. The results are stored in each respective flag.
SET F,0DH
Flags (C,Z,D,I) 0011 1111