Pop yp, Pset p, Pop stack data into yp – Epson 6200A User Manual
Page 73: Page set
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
67
3 INSTRUCTION SET
POP YP
Pop stack data into YP
POP YP
YP
←
M(SP), SP
←
SP + 1
1
1
1
1
1
1
0
1
0
1 1
1
FD7H
VI
5
Not affected
Not affected
Not affected
Not affected
Loads the contents of the data memory location addressed by the stack pointer
into YP, the 4-bit page part of IY. SP is incremented by 1.
POP YP
SP
C0
C1
Memory (C0H)
0000
0000
YP register
0001
0000
PSET p
Page set
PSET p
NBP
←
p
4
, NPP
←
p
3
to p
0
1
1
1
0
0
1
0 p
4
p
3
p
2
p
1
p
0
E40H to E5FH
III
5
Not affected
Not affected
Not affected
Not affected
Loads the most-significant bit of the 5-bit immediate data p to the new bank
pointer (NBP) and the four low-order bits to the new page pointer (NPP).
PSET 1FH
JP 00H
PCB
0
0
1
NBP
0
1
1
PCP
1000
1000
1111
NPP
0001
1111
1111
PCS
0010 0011
0010 0100
0000 0000
2
3
2
2
2
1
2
0
M(SP) =
= YP
2
0
2
1
2
2
2
3