/usr/share/gputils/header/p18macro.inc is in gputils-common 0.13.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;==========================================================================
;
; MACROS
;
;==========================================================================
LIST
StkSetPtrToOffset macro Ptr,Offset
; Set pointer Ptr to argument in stack frame at Offset.
movlw LOW(Offset)
addwf FSR1L,W,ACCESS
movwf Ptr,ACCESS
movlw HIGH(Offset&0xFFFF)
addwfc FSR1H,W,ACCESS
movwf Ptr+1
endm
StkPushPtrToOffset macro Offset
; Push pointer onto stack to point to Offset location in stack.
; Offset defined before push.
movlw LOW(Offset)
addwf FSR1L,W,ACCESS
movwf INDF1,ACCESS
movlw HIGH(Offset&0xFFFF)
addwfc FSR1H,W,ACCESS
movwf PREINC1,ACCESS
movf POSTINC1,F,ACCESS ; increment FSR1
endm
StkAddStackPtr macro N
; Add N to FSR1
movlw LOW(N)
addwf FSR1L,F,ACCESS
movlw HIGH(N&0xFFFF)
addwfc FSR1H,F,ACCESS
endm
Stk1PushFromFSR0 macro
; Get one byte from FSR0 and push on stack. FSR0, WREG unchanged.
movff INDF0,POSTINC1
endm
Stk2PushFromFSR0 macro
; Get two bytes from FSR0 and push on stack. FSR0, WREG unchanged.
movff POSTINC0,POSTINC1
movff POSTDEC0,POSTINC1
endm
Stk3PushFromFSR0 macro
; Get three bytes from FSR0 and push on stack. FSR0, WREG unchanged.
movff POSTINC0,POSTINC1
movff POSTINC0,POSTINC1
movff POSTDEC0,POSTINC1
movf POSTDEC0,F,ACCESS
endm
Stk1PushFromFSR2 macro
; Get one byte from FSR2 and push on stack. FSR2, WREG unchanged.
movff INDF2,POSTINC1
endm
Stk2PushFromFSR2 macro
; Get two bytes from FSR2 and push on stack. FSR2, WREG unchanged.
movff POSTINC2,POSTINC1
movff POSTDEC2,POSTINC1
endm
Stk3PushFromFSR2 macro
; Get three bytes from FSR2 and push on stack. FSR2, WREG unchanged.
movff POSTINC2,POSTINC1
movff POSTINC2,POSTINC1
movff POSTDEC2,POSTINC1
movf POSTDEC2,F,ACCESS
endm
Stk1PushFromReg macro Reg
; Get one byte from Reg and push on stack. WREG unchanged.
movff Reg,POSTINC1
endm
Stk2PushFromReg macro Reg
; Get two bytes from Reg and push on stack. WREG unchanged.
movff Reg,POSTINC1
movff Reg+1,POSTINC1
endm
Stk3PushFromReg macro Reg
; Get three bytes from Reg and push on stack. WREG unchanged.
movff Reg,POSTINC1
movff Reg+1,POSTINC1
movff Reg+2,POSTINC1
endm
Stk1PopToFSR0 macro
; Pop one byte from stack and put it at FSR0 without exposing stack.
; WREG changed, FSR0 unchanged.
movlw 0xFF
movff PLUSW1,INDF0
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk2PopToFSR0 macro
; Pop two bytes from stack and put them at FSR0 without exposing stack.
; WREG changed, FSR0 unchanged.
movlw 0xFE
movff PLUSW1,POSTINC0
movlw 0xFF
movff PLUSW1,POSTDEC0
movf POSTDEC1,F,ACCESS ; decrement FSR1
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk3PopToFSR0 macro
; Pop three bytes from stack and put them at FSR0 without exposing stack.
; WREG changed, FSR0 unchanged.
movlw 0xFD
movff PLUSW1,POSTINC0
movlw 0xFE
movff PLUSW1,POSTINC0
movlw 0xFF
movff PLUSW1,POSTDEC0
movf POSTDEC0,F,ACCESS ; restore FSR0
movf POSTDEC1,F,ACCESS ; decrement FSR1
movf POSTDEC1,F,ACCESS ; decrement FSR1
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk1PopToFSR2 macro
; Pop one byte from stack and put it at FSR2 without exposing stack.
; WREG changed, FSR2 unchanged.
movlw 0xFF
movff PLUSW1,INDF2
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk2PopToFSR2 macro
; Pop two bytes from stack and put them at FSR2 without exposing stack.
; WREG changed, FSR2 unchanged.
movlw 0xFE
movff PLUSW1,POSTINC2
movlw 0xFF
movff PLUSW1,POSTDEC2
movf POSTDEC1,F,ACCESS ; decrement FSR1
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk3PopToFSR2 macro
; Pop three bytes from stack and put them at FSR2 without exposing stack.
; WREG changed, FSR2 unchanged.
movlw 0xFD
movff PLUSW1,POSTINC2
movlw 0xFE
movff PLUSW1,POSTINC2
movlw 0xFF
movff PLUSW1,POSTDEC2
movf POSTDEC2,F,ACCESS ; restore FSR2
movf POSTDEC1,F,ACCESS ; decrement FSR1
movf POSTDEC1,F,ACCESS ; decrement FSR1
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk1PopToReg macro Reg
; Pop one byte from stack and put it at Reg without exposing stack.
; WREG changed.
movlw 0xFF
movff PLUSW1,Ptr
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk2PopToReg macro Reg
; Pop two bytes from stack and put them at Reg without exposing stack.
; WREG changed.
movlw 0xFF
movff PLUSW1,Reg+1
movf POSTDEC1,F,ACCESS ; decrement FSR1
movlw 0xFF
movff PLUSW1,Reg
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk3PopToReg macro Reg
; Pop three bytes from stack and put them at Reg without exposing stack.
; WREG changed.
movlw 0xFF
movff PLUSW1,Reg+2
movf POSTDEC1,F,ACCESS ; decrement FSR1
movlw 0xFF
movff PLUSW1,Reg+1
movf POSTDEC1,F,ACCESS ; decrement FSR1
movlw 0xFF
movff PLUSW1,Reg
movf POSTDEC1,F,ACCESS ; decrement FSR1
endm
Stk1CpyToFSR0 macro Offset
; Copy one byte from stack frame at Offset to FSR0
; WREG changed, FSR0 unchanged.
movlw LOW(Offset)
movff PLUSW1,INDF0
endm
Stk2CpyToFSR0 macro Offset
; Copy two bytes from stack frame at Offset to FSR0
; WREG changed, FSR0 unchanged.
movlw LOW(Offset)
movff PLUSW1,POSTINC0
movlw LOW(Offset+1)
movff PLUSW1,POSTDEC0
endm
Stk1CpyToFSR2 macro Offset
; Copy one byte from stack frame at Offset to FSR2
; WREG changed, FSR2 unchanged.
movlw LOW(Offset)
movff PLUSW1,INDF2
endm
Stk2CpyToFSR2 macro Offset
; Copy two bytes from stack frame at Offset to FSR2
; WREG changed, FSR2 unchanged.
movlw LOW(Offset)
movff PLUSW1,POSTINC2
movlw LOW(Offset+1)
movff PLUSW1,POSTDEC2
endm
Stk4CpyToFSR2 macro Offset
; Copy four bytes from stack frame at Offset to FSR2
; WREG changed, FSR2 unchanged.
movlw LOW(Offset)
movff PLUSW1,POSTINC2
movlw LOW(Offset+1)
movff PLUSW1,POSTINC2
movlw LOW(Offset+2)
movff PLUSW1,POSTINC2
movlw LOW(Offset+3)
movff PLUSW1,POSTDEC2
movf POSTDEC2,F,ACCESS
movf POSTDEC2,F,ACCESS
endm
Stk1CpyToReg macro Offset,Reg
; Copy one byte from stack frame at Offset to Reg
movlw LOW(Offset)
movff PLUSW1,Reg
endm
Stk2CpyToReg macro Offset,Reg
; Copy two bytes from stack frame at Offset to Reg
movlw LOW(Offset)
movff PLUSW1,Reg
movlw LOW(Offset+1)
movff PLUSW1,Reg+1
endm
Stk3CpyToReg macro Offset,Reg
; Copy three bytes from stack frame at Offset to Reg
movlw LOW(Offset)
movff PLUSW1,Reg
movlw LOW(Offset+1)
movff PLUSW1,Reg+1
movlw LOW(Offset+2)
movff PLUSW1,Reg+2
endm
Stk1CpyFromFSR0 macro Offset
; Copy one byte from FSR0 to stack frame at Offset
movlw LOW(Offset)
movff INDF0,PLUSW1
endm
Stk2CpyFromFSR0 macro Offset
; Copy two bytes from FSR0 to stack frame at Offset
movlw Offset
movff POSTINC0,PLUSW1
movlw Offset+1
movff POSTDEC0,PLUSW1
endm
Stk3CpyFromFSR0 macro Offset
; Copy three bytes from FSR0 to stack frame at Offset
movlw Offset
movff POSTINC0,PLUSW1
movlw Offset+1
movff POSTDEC0,PLUSW1
movlw Offset+2
movff POSTDEC0,PLUSW1
endm
Stk4CpyFromFSR0 macro Offset
; Copy four bytes from FSR0 to stack frame at Offset
movlw Offset
movff POSTINC0,PLUSW1
movlw Offset+1
movff POSTINC0,PLUSW1
movlw Offset+2
movff POSTINC0,PLUSW1
movlw Offset+3
movff POSTDEC0,PLUSW1
movf POSTDEC0,F,ACCESS
movf POSTDEC0,F,ACCESS
endm
Stk1CpyFromFSR2 macro Offset
; Copy one byte from FSR2 to stack frame at Offset
movlw LOW(Offset)
movff INDF2,PLUSW1
endm
Stk2CpyFromFSR2 macro Offset
; Copy two bytes from FSR2 to stack frame at Offset
movlw Offset
movff POSTINC2,PLUSW1
movlw Offset+1
movff POSTDEC2,PLUSW1
endm
Stk4CpyFromFSR2 macro Offset
; Copy four bytes from FSR2 to stack frame at Offset
movlw Offset
movff POSTINC2,PLUSW1
movlw Offset+1
movff POSTINC2,PLUSW1
movlw Offset+2
movff POSTINC2,PLUSW1
movlw Offset+3
movff POSTDEC2,PLUSW1
movf POSTDEC2,F,ACCESS
movf POSTDEC2,F,ACCESS
endm
Stk1CpyFromReg macro Reg,Offset
; Copy one byte from Reg to stack frame at Offset
movlw LOW(Offset)
movff Reg,PLUSW1
endm
Stk2CpyFromReg macro Reg,Offset
; Copy two bytes from Reg to stack frame at Offset
movlw Offset
movff Reg,PLUSW1
movlw Offset+1
movff Reg+1,PLUSW1
endm
Stk3CpyFromReg macro Reg,Offset
; Copy three bytes from Reg to stack frame at Offset
movlw Offset
movff Reg,PLUSW1
movlw Offset+1
movff Reg+1,PLUSW1
movlw Offset+2
movff Reg+2,PLUSW1
endm
Stk1Inc macro Offset
; Increment byte in stack at Offset
movlw Offset
incf PLUSW1,F,ACCESS
endm
Stk2Inc macro Offset
; Increment 2 bytes in stack at Offset
movlw Offset
incf PLUSW1,F,ACCESS
movlw Offset+1
btfsc STATUS,Z
incf PLUSW1,F,ACCESS
endm
Stk3Inc macro Offset
; Increment 3 bytes in stack at Offset
local jEnd
movlw Offset
incf PLUSW1,F,ACCESS
bnz jEnd
movlw Offset+1
incf PLUSW1,F,ACCESS
bnz jEnd
movlw Offset+2
incf PLUSW1,F,ACCESS
jEnd:
endm
Stk1Dec macro Offset
; Decrement byte in stack at Offset
movlw Offset
decf PLUSW1,F,ACCESS
endm
Stk2Dec macro Offset
; Decrement 2 bytes in stack at Offset
local jEnd
movlw Offset
decf PLUSW1,F,ACCESS
bc jEnd
movlw Offset+1
decf PLUSW1,F,ACCESS
jEnd:
endm
Stk3Dec macro Offset
; Decrement 3 bytes in stack at Offset
local jEnd
movlw Offset
decf PLUSW1,F,ACCESS
bc jEnd
movlw Offset+1
decf PLUSW1,F,ACCESS
bc jEnd
movlw Offset+2
decf PLUSW1,F,ACCESS
jEnd:
endm
Stk1TestForZero macro Offset,jZero
; Test 1 byte at Offset. Branch if zero. Returns 0 in WREG if zero.
movlw Offset
movf PLUSW1,W,ACCESS
bz jZero
endm
Stk2TestForZero macro Offset,jZero
; Test 2 bytes at Offset. Branch if zero. Returns 0 in WREG if zero.
local jContinue
movlw Offset
movf PLUSW1,W,ACCESS
bnz jContinue
movlw Offset+1
movf PLUSW1,W,ACCESS
bz jZero
jContinue
endm
Stk3TestForZero macro Offset,jZero
; Test 3 bytes at Offset. Branch if zero. Returns 0 in WREG if zero.
local jContinue
movlw Offset
movf PLUSW1,W,ACCESS
bnz jContinue
movlw Offset+1
movf PLUSW1,W,ACCESS
bnz jContinue
movlw Offset+2
movf PLUSW1,W,ACCESS
bz jZero
jContinue
endm
Stk1AddToFSR0 macro Offset
; Add 1 byte in stack at Offset to byte at FSR0. Pointer FSR0 unchanged.
movlw Offset
movf PLUSW1,W,ACCESS
addwf INDF0,F,ACCESS
endm
Stk2AddToFSR0 macro Offset
; Add 2 bytes in stack at Offset to 2 bytes at FSR0. Pointer FSR0 unchanged.
movlw Offset
movf PLUSW1,W,ACCESS
addwf POSTINC0,F,ACCESS
movlw Offset+1
movf PLUSW1,W,ACCESS
addwfc POSTDEC0,F,ACCESS
endm
Stk3AddToFSR0 macro Offset
; Add 3 bytes in stack at Offset to 3 bytes at FSR0. Pointer FSR0 unchanged.
movlw Offset
movf PLUSW1,W,ACCESS
addwf POSTINC0,F,ACCESS
movlw Offset+1
movf PLUSW1,W,ACCESS
addwfc POSTINC0,F,ACCESS
movlw Offset+2
movf PLUSW1,W,ACCESS
addwfc POSTDEC0,F,ACCESS
movf POSTDEC0,F,ACCESS
endm
Stk4AddToFSR0 macro Offset
; Add 4 bytes in stack at Offset to 4 bytes at FSR0. Pointer FSR0 unchanged.
movlw Offset
movf PLUSW1,W,ACCESS
addwf POSTINC0,F,ACCESS
movlw Offset+1
movf PLUSW1,W,ACCESS
addwfc POSTINC0,F,ACCESS
movlw Offset+2
movf PLUSW1,W,ACCESS
addwfc POSTINC0,F,ACCESS
movlw Offset+3
movf PLUSW1,W,ACCESS
addwfc POSTDEC0,F,ACCESS
movf POSTDEC0,F,ACCESS
movf POSTDEC0,F,ACCESS
endm
Stk1AddToFSR2 macro Offset
; Add 1 byte in stack at Offset to byte at FSR2. Pointer FSR2 unchanged.
movlw Offset
movf PLUSW1,W,ACCESS
addwf INDF2,F,ACCESS
endm
Stk2AddToFSR2 macro Offset
; Add 2 bytes in stack at Offset to 2 bytes at FSR2. Pointer FSR2 unchanged.
movlw Offset
movf PLUSW1,W,ACCESS
addwf POSTINC2,F,ACCESS
movlw Offset+1
movf PLUSW1,W,ACCESS
addwfc POSTDEC2,F,ACCESS
endm
Stk3AddToFSR2 macro Offset
; Add 3 bytes in stack at Offset to 3 bytes at FSR2. Pointer FSR2 unchanged.
movlw Offset
movf PLUSW1,W,ACCESS
addwf POSTINC2,F,ACCESS
movlw Offset+1
movf PLUSW1,W,ACCESS
addwfc POSTINC2,F,ACCESS
movlw Offset+2
movf PLUSW1,W,ACCESS
addwfc POSTDEC2,F,ACCESS
movf POSTDEC2,F,ACCESS
endm
Stk4AddToFSR2 macro Offset
; Add 4 bytes in stack at Offset to 4 bytes at FSR2. Pointer FSR2 unchanged.
movlw Offset
movf PLUSW1,W,ACCESS
addwf POSTINC2,F,ACCESS
movlw Offset+1
movf PLUSW1,W,ACCESS
addwfc POSTINC2,F,ACCESS
movlw Offset+2
movf PLUSW1,W,ACCESS
addwfc POSTINC2,F,ACCESS
movlw Offset+3
movf PLUSW1,W,ACCESS
addwfc POSTDEC2,F,ACCESS
movf POSTDEC2,F,ACCESS
movf POSTDEC2,F,ACCESS
endm
Stk1ShiftLeft macro Offset
; Shift left 1 byte in stack at Offset
bcf STATUS,C
movlw Offset
rlcf PLUSW1,F,ACCESS
endm
Stk2ShiftLeft macro Offset
; Shift left 2 bytes in stack at Offset
bcf STATUS,C
movlw Offset
rlcf PLUSW1,F,ACCESS
movlw Offset+1
rlcf PLUSW1,F,ACCESS
endm
Stk4ShiftLeft macro Offset
; Shift left 4 bytes in stack at Offset
bcf STATUS,C
movlw Offset
rlcf PLUSW1,F,ACCESS
movlw Offset+1
rlcf PLUSW1,F,ACCESS
movlw Offset+2
rlcf PLUSW1,F,ACCESS
movlw Offset+3
rlcf PLUSW1,F,ACCESS
endm
Stk1Negate macro Offset
; Negate 1 byte in stack at Offset
movlw Offset
comf PLUSW1,F,ACCESS
incf PLUSW1,F,ACCESS
endm
Stk2Negate macro Offset
; Negate 2 bytesin stack at Offset
movlw Offset
comf PLUSW1,F,ACCESS
incf PLUSW1,F,ACCESS
movlw Offset+1
btfsc STATUS,Z
decf PLUSW1,F,ACCESS
comf PLUSW1,F,ACCESS
endm
Stk4Negate macro Offset
; Negate 4 bytes in stack at Offset
local jEnd
movlw Offset
comf PLUSW1,F,ACCESS
movlw Offset+1
comf PLUSW1,F,ACCESS
movlw Offset+2
comf PLUSW1,F,ACCESS
movlw Offset+3
comf PLUSW1,F,ACCESS
movlw Offset
incf PLUSW1,F,ACCESS
bnz jEnd
movlw Offset+1
incf PLUSW1,F,ACCESS
bnz jEnd
movlw Offset+2
incf PLUSW1,F,ACCESS
bnz jEnd
movlw Offset+3
incf PLUSW1,F,ACCESS
jEnd:
endm
Stk1NegateFSR2 macro
; Negate 1 byte at FSR2. FSR2 unchanged.
comf INDF2,F,ACCESS
incf INDF2,F,ACCESS
endm
Stk2NegateFSR2 macro
; Negate 2 bytes at FSR2. FSR2 unchanged.
comf INDF2,F,ACCESS
incf POSTINC2,F,ACCESS
btfsc STATUS,Z
decf INDF2,F,ACCESS
comf POSTDEC2,F,ACCESS
endm
;====== These branches are short ==============
jmpWeqZ macro Label ; jmp if W == 0
movf WREG,F,ACCESS
bz Label
endm
jmpWneZ macro Label ; jmp if W != 0
tstfsz WREG,ACCESS
bra Label
endm
jmpFeqZ macro Reg,Acc,Label
movf Reg,F,Acc
bz Label
endm
jmpFneZ macro Reg,Acc,Label
movf Reg,F,Acc
bnz Label
endm
jmpFeqL macro Reg,Acc,bVal,Label
movlw bVal
subwf Reg,W,Acc
bz Label
endm
jmpFneL macro Reg,Acc,bVal,Label
movlw bVal
subwf Reg,W,Acc
bnz Label
endm
jmpFleL macro Reg,Acc,bVal,Label
movlw bVal
cpfsgt Reg,Acc
bra Label
endm
jmpFgeL macro Reg,Acc,bVal,Label
movlw bVal
cpfslt Reg,Acc
bra Label
endm
jmpFeqF macro Reg1,Acc1,Reg2,Acc2,Label
movf Reg1,W,Acc1
subwf Reg2,W,Acc2
bz Label
endm
jmpFneF macro Reg1,Acc1,Reg2,Acc2,Label
movf Reg1,W,Acc1
subwf Reg2,W,Acc2
bnz Label
endm
jmpClr macro Reg,Bit,Acc,Label
btfss Reg,Bit,Acc
bra Label
endm
jmpSet macro Reg,Bit,Acc,Label
btfsc Reg,Bit,Acc
bra Label
endm
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