S1C6200/6200A CORE CPU MANUAL
EPSON
27
3 INSTRUCTION SET
3.4 Instruction Types
Instructions are divided into six types according to the size of the operand.
(I)
MSB
LSB
ex:
JP
CALL
LBPX
s
s
MX,e
etc.
Op-code
8-bit operand
(II)
MSB
LSB
ex:
ADD
LD
FAN
r, i
r, i
r, i
etc.
Op-code
6-bit operand
(III)
MSB
LSB
ex:
PSET
p
Op-code
4-bit operand
(IV)
MSB
LSB
ex:
SET
LD
INC
F, i
r, q
Mn
etc.
Op-code
2-bit
operand
(V)
MSB
LSB
ex:
ACPX
LD
PUSH
MX, r
XH, r
r
etc.
Op-code
(VI)
ex:
JPBA
POP
INC
YL
X
etc.
MSB
LSB
Op-code
5-bit operand
3.5 Instruction Descriptions
This section describes S1C6200/6200A instructions in alphabetical order.
Summary of Contents for S1C6200
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