Pop yh, Pop yl, Pop stack data into yh – Epson 6200A User Manual
Page 72: Pop stack data into yl
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 –
66
EPSON
S1C6200/6200A CORE CPU MANUAL
3 INSTRUCTION SET
POP YH
Pop stack data into YH
POP YH
YH
←
M(SP), SP
←
SP + 1
1
1
1
1
1
1
0
1
1
0 0
0
FD8H
VI
5
Not affected
Not affected
Not affected
Not affected
Loads the contents of the data memory location addressed by the stack pointer
into YH, the four high-order bits of Y. SP is incremented by 1.
POP YH
SP
C1
C2
Memory (C1H)
1101
1101
YH register
0010
1101
POP YL
Pop stack data into YL
POP YL
YL
←
M(SP), SP
←
SP + 1
1
1
1
1
1
1
0
1
1
0 0
1
FD9H
VI
5
Not affected
Not affected
Not affected
Not affected
Loads the contents of the data memory location addressed by the stack pointer
into YL, the four low-order bits of Y. SP is incremented by 1.
POP YL
SP
CA
CB
Memory (CAH)
0100
0100
YL register
0101
0100
2
3
2
2
2
1
2
0
M(SP) =
= YH
2
0
2
1
2
2
2
3
2
3
2
2
2
1
2
0
M(SP) =
= YL
2
0
2
1
2
2
2
3