Instruction Reference Manual 31
Description
If the data in IX or IY does not equal zero, then that register is set to 1.
BOOL IX
BOOL IY
Opcode Instruction Clocks Operation
DD CC BOOL IX 4 (2,2) If (IX != 0) IX = 1
FD CC BOOL IY 4 (2,2) If (IY != 0) IY = 1
Flags ALTD I/O
S Z L/V C F R SP S D
• • 0 0 •
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