Removed (pretty inconsistently used) tab chars from source code base.
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@@ -5,10 +5,10 @@
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; Ullrich von Bassewitz, 2003-02-16
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;
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.include "zeropage.inc"
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.include "zeropage.inc"
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.include "../extzp.inc"
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.include "joy-kernel.inc"
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.include "joy-kernel.inc"
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.include "joy-error.inc"
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.include "cbm510.inc"
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@@ -22,7 +22,7 @@
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; Driver signature
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.byte $6A, $6F, $79 ; "joy"
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.byte $6A, $6F, $79 ; "joy"
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.byte JOY_API_VERSION ; Driver API version number
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; Button state masks (8 values)
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@@ -66,7 +66,7 @@ JOY_COUNT = 2 ; Number of joysticks we support
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INSTALL:
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lda #<JOY_ERR_OK
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ldx #>JOY_ERR_OK
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; rts ; Run into UNINSTALL instead
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; rts ; Run into UNINSTALL instead
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; ------------------------------------------------------------------------
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; UNINSTALL routine. Is called before the driver is removed from memory.
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@@ -92,45 +92,45 @@ COUNT:
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READ: ldx #$0F ; Switch to the system bank
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stx IndReg
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tax ; Save joystick number
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tax ; Save joystick number
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; Get the direction bits
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ldy #CIA::PRB
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lda (cia2),y ; Read joystick inputs
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sta tmp1
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ldy #CIA::PRB
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lda (cia2),y ; Read joystick inputs
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sta tmp1
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; Get the fire bits
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ldy #CIA::PRA
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lda (cia2),y
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lda (cia2),y
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; Make the result value
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cpx #$00 ; Joystick 0?
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bne @L1 ; Jump if no
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cpx #$00 ; Joystick 0?
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bne @L1 ; Jump if no
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; Joystick 1, fire is in bit 6, direction in bit 0-3
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asl a
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jmp @L2
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asl a
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jmp @L2
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; Joystick 2, fire is in bit 7, direction in bit 5-7
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@L1: ldx #$00 ; High byte of return value
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lsr tmp1
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lsr tmp1
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lsr tmp1
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lsr tmp1
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@L1: ldx #$00 ; High byte of return value
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lsr tmp1
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lsr tmp1
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lsr tmp1
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lsr tmp1
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; Mask the relavant bits, get the fire bit
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@L2: asl a ; Fire bit into carry
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lda tmp1
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and #$0F
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bcc @L3
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ora #$10
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@L3: eor #$1F ; All bits are inverted
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@L2: asl a ; Fire bit into carry
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lda tmp1
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and #$0F
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bcc @L3
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ora #$10
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@L3: eor #$1F ; All bits are inverted
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; Switch back to the execution bank and return the joystick mask in a/x
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