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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
53
3 INSTRUCTION SET
LD r,XH
Load XH into r-register
LD r,XH
r
←
XH
1
1
1
0
1
0
1
0
0
1
r
1
r
0
EA4H to EA7H
V
5
Not affected
Not affected
Not affected
Not affected
Loads the four high-order bits of register X into the r-register.
LD B,XH
LD MX,XH
XH register
1010
1010
1010
B register
0010
1010
1010
Memory (MX)
0000
0000
1010
LD r,XL
Load XL into r-register
LD r,XL
r
←
XL
1
1
1
0
1
0
1
0
1
0
r
1
r
0
EA8H to EABH
V
5
Not affected
Not affected
Not affected
Not affected
Loads the four low-order bits of register X into the r-register.
LD MY,XL
LD A,XL
XL register
0000
0000
0000
A register
1101
1101
0000
Memory (MY)
0001
0000
0000
Содержание 6200A
Страница 1: ...MF297 07a Core CPU Manual CMOS 4 BIT SINGLE CHIP MICROCOMPUTER S1C6200 6200A ...
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