Removed (pretty inconsistently used) tab chars from source code base.
This commit is contained in:
Oliver Schmidt
@@ -7,7 +7,7 @@
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.include "zeropage.inc"
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.include "mouse-kernel.inc"
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.include "c128.inc"
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.include "c128.inc"
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.macpack generic
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@@ -64,18 +64,18 @@ SCREEN_WIDTH = 320
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.bss
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Vars:
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OldPotX: .res 1 ; Old hw counter values
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OldPotY: .res 1
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OldPotX: .res 1 ; Old hw counter values
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OldPotY: .res 1
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YPos: .res 2 ; Current mouse position, Y
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XPos: .res 2 ; Current mouse position, X
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XMin: .res 2 ; X1 value of bounding box
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YMin: .res 2 ; Y1 value of bounding box
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XMax: .res 2 ; X2 value of bounding box
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YMax: .res 2 ; Y2 value of bounding box
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XMin: .res 2 ; X1 value of bounding box
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YMin: .res 2 ; Y1 value of bounding box
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XMax: .res 2 ; X2 value of bounding box
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YMax: .res 2 ; Y2 value of bounding box
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OldValue: .res 1 ; Temp for MoveCheck routine
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NewValue: .res 1 ; Temp for MoveCheck routine
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OldValue: .res 1 ; Temp for MoveCheck routine
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NewValue: .res 1 ; Temp for MoveCheck routine
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; Default values for above variables
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@@ -177,7 +177,7 @@ SETBOX: sta ptr1
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bpl @L1
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cli
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rts
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rts
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;----------------------------------------------------------------------------
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; GETBOX: Return the mouse bounding box. The parameters are passed as they
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@@ -195,7 +195,7 @@ GETBOX: sta ptr1
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bpl @L1
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cli
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rts
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rts
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;----------------------------------------------------------------------------
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; MOVE: Move the mouse to a new position. The position is passed as it comes
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@@ -219,47 +219,47 @@ MOVE: sei ; No interrupts
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lda (sp),y
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sta XPos ; New X position
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jsr CMOVEX ; Move the cursor
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jsr CMOVEX ; Move the cursor
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cli ; Allow interrupts
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rts
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cli ; Allow interrupts
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rts
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;----------------------------------------------------------------------------
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; BUTTONS: Return the button mask in a/x.
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BUTTONS:
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lda #$7F
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sei
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sta CIA1_PRA
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lda CIA1_PRB ; Read joystick #0
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cli
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lda #$7F
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sei
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sta CIA1_PRA
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lda CIA1_PRB ; Read joystick #0
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cli
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ldx #0
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and #$1F
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eor #$1F
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and #$1F
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eor #$1F
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rts
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;----------------------------------------------------------------------------
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; POS: Return the mouse position in the MOUSE_POS struct pointed to by ptr1.
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; No return code required.
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POS: ldy #MOUSE_POS::XCOORD ; Structure offset
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POS: ldy #MOUSE_POS::XCOORD ; Structure offset
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sei ; Disable interrupts
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lda XPos ; Transfer the position
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sta (ptr1),y
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lda XPos+1
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iny
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sta (ptr1),y
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lda YPos
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sei ; Disable interrupts
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lda XPos ; Transfer the position
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sta (ptr1),y
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lda XPos+1
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iny
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sta (ptr1),y
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lda YPos+1
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cli ; Enable interrupts
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lda YPos
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iny
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sta (ptr1),y
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lda YPos+1
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cli ; Enable interrupts
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iny
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sta (ptr1),y ; Store last byte
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rts ; Done
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rts ; Done
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;----------------------------------------------------------------------------
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; INFO: Returns mouse position and current button mask in the MOUSE_INFO
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@@ -270,15 +270,15 @@ POS: ldy #MOUSE_POS::XCOORD ; Structure offset
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; call _mouse_pos to initialize the struct pointer and fill the position
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; fields.
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INFO: jsr POS
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INFO: jsr POS
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; Fill in the button state
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jsr BUTTONS ; Will not touch ptr1
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ldy #MOUSE_INFO::BUTTONS
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sta (ptr1),y
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jsr BUTTONS ; Will not touch ptr1
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ldy #MOUSE_INFO::BUTTONS
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sta (ptr1),y
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rts
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rts
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;----------------------------------------------------------------------------
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; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
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@@ -297,10 +297,10 @@ IOCTL: lda #<MOUSE_ERR_INV_IOCTL ; We don't support ioclts for now
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; MUST return carry clear.
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;
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IRQ: lda SID_ADConv1 ; Get mouse X movement
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ldy OldPotX
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jsr MoveCheck ; Calculate movement vector
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sty OldPotX
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IRQ: lda SID_ADConv1 ; Get mouse X movement
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ldy OldPotX
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jsr MoveCheck ; Calculate movement vector
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sty OldPotX
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; Skip processing if nothing has changed
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@@ -308,29 +308,29 @@ IRQ: lda SID_ADConv1 ; Get mouse X movement
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; Calculate the new X coordinate (--> a/y)
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add XPos
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tay ; Remember low byte
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txa
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adc XPos+1
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tax
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add XPos
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tay ; Remember low byte
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txa
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adc XPos+1
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tax
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; Limit the X coordinate to the bounding box
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cpy XMin
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sbc XMin+1
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bpl @L1
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ldy XMin
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ldx XMin+1
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jmp @L2
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@L1: txa
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cpy XMin
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sbc XMin+1
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bpl @L1
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ldy XMin
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ldx XMin+1
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jmp @L2
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@L1: txa
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cpy XMax
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sbc XMax+1
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bmi @L2
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ldy XMax
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ldx XMax+1
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@L2: sty XPos
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stx XPos+1
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cpy XMax
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sbc XMax+1
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bmi @L2
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ldy XMax
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ldx XMax+1
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@L2: sty XPos
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stx XPos+1
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; Move the mouse pointer to the new X pos
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@@ -339,10 +339,10 @@ IRQ: lda SID_ADConv1 ; Get mouse X movement
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; Calculate the Y movement vector
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@SkipX: lda SID_ADConv2 ; Get mouse Y movement
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ldy OldPotY
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jsr MoveCheck ; Calculate movement
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sty OldPotY
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@SkipX: lda SID_ADConv2 ; Get mouse Y movement
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ldy OldPotY
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jsr MoveCheck ; Calculate movement
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sty OldPotY
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; Skip processing if nothing has changed
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@@ -350,32 +350,32 @@ IRQ: lda SID_ADConv1 ; Get mouse X movement
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; Calculate the new Y coordinate (--> a/y)
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sta OldValue
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lda YPos
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sub OldValue
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tay
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stx OldValue
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lda YPos+1
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sbc OldValue
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tax
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sta OldValue
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lda YPos
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sub OldValue
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tay
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stx OldValue
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lda YPos+1
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sbc OldValue
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tax
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; Limit the Y coordinate to the bounding box
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cpy YMin
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sbc YMin+1
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bpl @L3
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ldy YMin
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ldx YMin+1
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jmp @L4
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@L3: txa
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cpy YMin
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sbc YMin+1
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bpl @L3
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ldy YMin
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ldx YMin+1
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jmp @L4
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@L3: txa
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cpy YMax
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sbc YMax+1
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bmi @L4
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ldy YMax
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ldx YMax+1
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@L4: sty YPos
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stx YPos+1
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cpy YMax
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sbc YMax+1
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bmi @L4
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ldy YMax
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ldx YMax+1
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@L4: sty YPos
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stx YPos+1
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; Move the mouse pointer to the new X pos
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@@ -391,38 +391,38 @@ IRQ: lda SID_ADConv1 ; Get mouse X movement
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;
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; Move check routine, called for both coordinates.
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;
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; Entry: y = old value of pot register
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; a = current value of pot register
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; Exit: y = value to use for old value
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; x/a = delta value for position
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; Entry: y = old value of pot register
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; a = current value of pot register
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; Exit: y = value to use for old value
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; x/a = delta value for position
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;
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MoveCheck:
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sty OldValue
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sta NewValue
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ldx #$00
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sty OldValue
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sta NewValue
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ldx #$00
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sub OldValue ; a = mod64 (new - old)
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and #%01111111
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cmp #%01000000 ; if (a > 0)
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bcs @L1 ;
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lsr a ; a /= 2;
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beq @L2 ; if (a != 0)
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ldy NewValue ; y = NewValue
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sub OldValue ; a = mod64 (new - old)
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and #%01111111
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cmp #%01000000 ; if (a > 0)
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bcs @L1 ;
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lsr a ; a /= 2;
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beq @L2 ; if (a != 0)
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ldy NewValue ; y = NewValue
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sec
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rts ; return
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rts ; return
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@L1: ora #%11000000 ; else or in high order bits
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cmp #$FF ; if (a != -1)
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beq @L2
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sec
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ror a ; a /= 2
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dex ; high byte = -1 (X = $FF)
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ldy NewValue
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@L1: ora #%11000000 ; else or in high order bits
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cmp #$FF ; if (a != -1)
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beq @L2
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sec
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rts
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ror a ; a /= 2
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dex ; high byte = -1 (X = $FF)
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ldy NewValue
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sec
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rts
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@L2: txa ; A = $00
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@L2: txa ; A = $00
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clc
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rts
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rts
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