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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 75
3 INSTRUCTION SET
RRC r Rotate r-register right with carry
RRC r
d
3 ← C, d2 ← d3, d1 ← d2, d0 ← d1, C ← d0
11101000 1 1r1 r0 E8CH to E8FH
V
5
Set when the low-order bit of the r-register is 1; otherwise, reset.
Not affected
Not affected
Not affected
Shifts the contents of the r-register one bit to the right. The low-order bit is shifted
into the carry flag and the carry bit becomes the high-order bit of the r-register.
RRC MY
Memory (MY) 1010 1101
C flag 1 0
RST F,i Reset flags using immediate data i
RST F,i
F ← F ∧ i
3 to i0
11110101 i3 i2 i1 i0 F50H to F5FH
IV
7
Reset if i0 is zero; otherwise, not affected.
Reset if i
1 is zero; otherwise, not affected.
Reset if i
2 is zero; otherwise, not affected.
Reset if i
3 is zero; otherwise, not affected.
Performs a logical AND operation between immediate data i and the contents of
the flags. The result is stored in each respective flag.
RST F,2
Flags (I,D,Z,C) 1010 0010
Source Format:
Operation:
OP-Code:
Type:
Clock Cycles:
Flag:
Description:
Example:
d
3
d
2
d
1
d
0
r-register
C
C
d
3
d
2
d
1
r-register
C
C
d
0