Set Decimal Flag; Set F,I; Set Flags Using Immediate Data I - Epson 6200A Core Cpu Manual

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

SET F,i

Source Format:
Operation:
OP-Code:
Type:
Clock Cycles:
Flag:
Description:
Example:
S1C6200/6200A CORE CPU MANUAL

Set decimal flag

SDF
D 1
1 1 1 1 0 1 0 0
MSB
VI
7
C – Not affected
Z – Not affected
D – Set
I – Not affected
Sets the D (decimal) flag.
D flag 0

Set flags using immediate data i

SET F,i
F F i to i
3 0
1 1 1 1 0 1 0 0
MSB
IV
7
C – Set if i is 1; otherwise, not affected.
0
Z – Set if i is 1; otherwise, not affected.
1
D – Set if i is 1; otherwise, not affected.
2
I – Set if i is 1; otherwise, not affected.
3
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
0 1 0 0 F44H
LSB
SDF
1
i i i i F40H to F4FH
3 2 1 0
LSB
1111
EPSON
3 INSTRUCTION SET
79