Normalized coding style.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5494 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
ol.sc
2012-02-07 22:37:13 +00:00
parent 286d5979a2
commit baa6c53dec
24 changed files with 1164 additions and 1169 deletions

View File

@@ -5,53 +5,49 @@
; Ullrich von Bassewitz, 2002-12-20
;
.include "zeropage.inc"
.include "joy-kernel.inc"
.include "joy-error.inc"
.include "geossym.inc"
.macpack generic
.include "zeropage.inc"
.include "joy-kernel.inc"
.include "joy-error.inc"
.include "geossym.inc"
.macpack generic
; ------------------------------------------------------------------------
; Header. Includes jump table
.segment "JUMPTABLE"
.segment "JUMPTABLE"
; Driver signature
.byte $6A, $6F, $79 ; "joy"
.byte JOY_API_VERSION ; Driver API version number
.byte $6A, $6F, $79 ; "joy"
.byte JOY_API_VERSION ; Driver API version number
; Button state masks (8 values)
.byte $01 ; JOY_UP
.byte $02 ; JOY_DOWN
.byte $04 ; JOY_LEFT
.byte $08 ; JOY_RIGHT
.byte $10 ; JOY_FIRE
.byte $00 ; Future expansion
.byte $00 ; Future expansion
.byte $00 ; Future expansion
.byte $01 ; JOY_UP
.byte $02 ; JOY_DOWN
.byte $04 ; JOY_LEFT
.byte $08 ; JOY_RIGHT
.byte $10 ; JOY_FIRE
.byte $00 ; Future expansion
.byte $00 ; Future expansion
.byte $00 ; Future expansion
; Jump table.
.word INSTALL
.word UNINSTALL
.word COUNT
.word READ
.word INSTALL
.word UNINSTALL
.word COUNT
.word READ
; ------------------------------------------------------------------------
; Constants
JOY_COUNT = 2 ; Number of joysticks we support
JOY_COUNT = 2 ; Number of joysticks we support
; ------------------------------------------------------------------------
; Data.
.code
; ------------------------------------------------------------------------
@@ -62,9 +58,9 @@ JOY_COUNT = 2 ; Number of joysticks we support
;
INSTALL:
lda #<JOY_ERR_OK
ldx #>JOY_ERR_OK
; rts ; Run into UNINSTALL instead
lda #<JOY_ERR_OK
ldx #>JOY_ERR_OK
; rts ; Run into UNINSTALL instead
; ------------------------------------------------------------------------
; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -72,7 +68,7 @@ INSTALL:
;
UNINSTALL:
rts
rts
; ------------------------------------------------------------------------
@@ -80,9 +76,9 @@ UNINSTALL:
;
COUNT:
lda #<JOY_COUNT
ldx #>JOY_COUNT
rts
lda #<JOY_COUNT
ldx #>JOY_COUNT
rts
; ------------------------------------------------------------------------
; READ: Read a particular joystick passed in A.
@@ -91,36 +87,36 @@ COUNT:
READ:
tax
php
sei ; disable IRQ
lda $01
sei ; disable IRQ
lda $01
pha
lda #$35
sta $01 ; enable I/O
lda #$35
sta $01 ; enable I/O
txa ; Joystick number into X
bne joy2
txa ; Joystick number into X
bne joy2
; Read joystick 1
joy1:
lda #$7F
sta cia1base
lda cia1base+1
lda #$7F
sta cia1base
lda cia1base+1
back: tay
pla
sta $01
sta $01
plp
tya
and #$1F
eor #$1F
rts
and #$1F
eor #$1F
rts
; Read joystick 2
joy2: ldx #0
lda #$E0
ldy #$FF
sta cia1base+2
lda cia1base+1
sty cia1base+2
jmp back
joy2: ldx #0
lda #$E0
ldy #$FF
sta cia1base+2
lda cia1base+1
sty cia1base+2
jmp back