irq wait bit shift fix

soypat · deadprogram · commit dda05c3be987 · 2025-11-10T14:00:37.000+01:00
diff --git a/rp2-pio/instrv1.go b/rp2-pio/instrv1.go
@@ -123,7 +123,7 @@ func (asm AssemblerV1) IRQWait(irqIndex uint8, idxMode IRQIndexMode) instruction
 }
 
 func (asm AssemblerV1) irq(clear, wait bool, irqIndex uint8, idxMode IRQIndexMode) instructionV0 {
-	instr := _INSTR_BITS_IRQ | uint16(boolAsU8(clear))<<6 | uint16(boolAsU8(wait))<<6 | uint16(idxMode)<<3 | uint16(irqIndex&0b111)
+	instr := _INSTR_BITS_IRQ | uint16(boolAsU8(clear))<<6 | uint16(boolAsU8(wait))<<5 | uint16(idxMode&0b11)<<3 | uint16(irqIndex&0b111)
 	return asm.v0().instr(instr)
 }
 

Original file line number	Diff line number	Diff line change
`@@ -123,7 +123,7 @@ func (asm AssemblerV1) IRQWait(irqIndex uint8, idxMode IRQIndexMode) instruction`
`123`	`123`	`}`
`124`	`124`
`125`	`125`	`func (asm AssemblerV1) irq(clear, wait bool, irqIndex uint8, idxMode IRQIndexMode) instructionV0 {`
`126`		`- instr := _INSTR_BITS_IRQ \| uint16(boolAsU8(clear))<<6 \| uint16(boolAsU8(wait))<<6 \| uint16(idxMode)<<3 \| uint16(irqIndex&0b111)`
	`126`	`+ instr := _INSTR_BITS_IRQ \| uint16(boolAsU8(clear))<<6 \| uint16(boolAsU8(wait))<<5 \| uint16(idxMode&0b11)<<3 \| uint16(irqIndex&0b111)`
`127`	`127`	`return asm.v0().instr(instr)`
`128`	`128`	`}`
`129`	`129`