Zilog Z80380 Manual de usuario Pagina 197

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Z380
USER'S MANUAL
ZILOG
DC-8297-03
SET
SET BIT
SET b, dst dst = R, IR, X
Operation: dst(b) 1
The specified bit b within the destination operand is set to 1. The other bits in the destination
are unaffected. The bit to be set is specified by a 3-bit field in the instruction; this field
contains the binary encoding for the bit number to be set. The bit number b must be between
0 and 7.
Flags: S: Unaffected
Z: Unaffected
H: Unaffected
V: Unaffected
N: Unaffected
C: Unaffected
Addressing Execute
Mode Syntax Instruction Format Time Note
R: SET b,R 11001011 11bbb -r- 2
IR: SET b,(HL) 11001011 11bbb110 2+r
X: SET b,(XY+d) 11y11101 11001011 ——d— 11bbb110 4+r I
Field Encodings: r: per convention
y: 0 for IX, 1 for IY
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