Ld r,yl, Ld r,yp, Load yl into r-register – Epson S1C6200 User Manual
Page 61: Load yp into r-register
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
55
3 INSTRUCTION SET
LD r,YL
Load YL into r-register
LD r,YL
r
←
YL
1
1
1
0
1
0
1
1
1
0
r
1
r
0
EB8H to EBBH
V
5
Not affected
Not affected
Not affected
Not affected
Loads the four low-order bits of register Y into the r-register.
LD B,YL
LD MX,YL
YL register
0000
0000
0000
B register
0110
0000
0000
Memory (MX)
1011
1011
0000
LD r,YP
Load YP into r-register
LD r,YP
r
←
YP
1
1
1
0
1
0
1
1
0
0
r
1
r
0
EB0H to EB3H
V
5
Not affected
Not affected
Not affected
Not affected
Loads the 4-bit page part of index register IY into the r-register.
LD MY,YP
LD B,YP
YP register
1010
1010
1010
B register
1100
1100
1010
Memory (MY)
0110
1010
1010