Or r,q, Pop f, Logical or q-register with r-register – Epson 6200A User Manual
Page 69: Pop stack data into flags
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
63
3 INSTRUCTION SET
OR r,q
Logical OR q-register with r-register
OR r,q
r
←
r
∨
q
1
0
1
0
1
1
0
1
r
1
r
0
q
1
q
0
AD0H to ADFH
IV
7
Not affected
Set if the result is zero; otherwise, reset.
Not affected
Not affected
Performs a logical OR operation between the contents of the q-register and the
contents of the r-register. The result is stored in the r-register.
OR MY,0
OR A,0CH
A register
0011
0011
1111
Memory (MY)
0000
0000
0000
Z flag
0
1
0
POP F
Pop stack data into flags
POP F
F
←
M(SP), SP
←
SP + 1
1
1
1
1
1
1
0
1
1
0 1
0
FDAH
VI
5
Set or Reset by M(SP) data
Set or Reset by M(SP) data
Set or Reset by M(SP) data
Set or Reset by M(SP) data
Replaces the flags (F) with the contents of the data memory location addressed by
the stack pointer. SP is incremented by 1.
POP F
SP
C0
C1
Memory (C0H)
1001
1001
Flags (I,D,Z,C)
0001
1001
2
3
2
2
2
1
2
0
M(SP) =
flag
flag
flag
flag
C
Z
D
I