mirror of
https://github.com/cc65/cc65.git
synced 2025-02-27 14:29:52 +00:00
Added two more joystick drivers from groepaz
git-svn-id: svn://svn.cc65.org/cc65/trunk@2454 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
parent
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@ -56,7 +56,7 @@ OBJS = _scrsize.o \
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EMDS = c64-georam.emd c64-ram.emd c64-ramcart.emd c64-reu.emd c64-vdc.emd
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JOYS = c64-stdjoy.joy
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JOYS = c64-hitjoy.joy c64-ptvjoy.joy c64-stdjoy.joy
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SERS = c64-swlink.ser
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252
libsrc/c64/c64-hitjoy.s
Executable file
252
libsrc/c64/c64-hitjoy.s
Executable file
@ -0,0 +1,252 @@
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;
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; DXS/HIT-4 Player joystick driver for the C64
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;
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; Groepaz/Hitmen, 2002-12-23
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; obviously based on Ullrichs driver :)
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;
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.include "zeropage.inc"
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.include "joy-kernel.inc"
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.include "joy-error.inc"
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.include "c64.inc"
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.macpack generic
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; ------------------------------------------------------------------------
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; Header. Includes jump table
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.segment "JUMPTABLE"
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; Driver signature
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.byte $6A, $6F, $79 ; "joy"
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.byte $00 ; Driver API version number
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; Button state masks (8 values)
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.byte $01 ; JOY_UP
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.byte $02 ; JOY_DOWN
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.byte $04 ; JOY_LEFT
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.byte $08 ; JOY_RIGHT
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.byte $10 ; JOY_FIRE
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.byte $00 ; Future expansion
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.byte $00 ; Future expansion
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.byte $00 ; Future expansion
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; Jump table.
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.word INSTALL
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.word DEINSTALL
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.word COUNT
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.word READ
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; ------------------------------------------------------------------------
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; Constants
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JOY_COUNT = 4 ; Number of joysticks we support
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; ------------------------------------------------------------------------
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; Data. Written in the IRQ, read by the READ routine
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.bss
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temp3: .byte 0
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temp4: .byte 0
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.code
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; ------------------------------------------------------------------------
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; INSTALL routine. Is called after the driver is loaded into memory. If
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; possible, check if the hardware is present and determine the amount of
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; memory available.
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; Must return an JOY_ERR_xx code in a/x.
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;
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INSTALL:
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sei
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lda $0314
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sta irqjmp+1
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lda $0315
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sta irqjmp+2
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lda #<pollirq
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sta $0314
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lda #>pollirq
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sta $0315
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cli
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lda #<JOY_ERR_OK
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ldx #>JOY_ERR_OK
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rts
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; ------------------------------------------------------------------------
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; DEINSTALL routine. Is called before the driver is removed from memory.
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; Can do cleanup or whatever. Must not return anything.
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;
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DEINSTALL:
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sei
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lda irqjmp+1
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sta $0314
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lda irqjmp+2
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sta $0315
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cli
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rts
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; ------------------------------------------------------------------------
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; we must use an irq here since we need timers
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; which otherwhise would conflict with system-irq
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pollirq:
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; cia 2 setup
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ldy #$00 ; port b direction
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sty $dd03 ; => input
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; ldy #$00
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sty $dd05 ; cia2 timer a highbyte
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sty $dc05 ; cia1 timer a highbyte
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iny
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; lda #$01
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sty $dd04 ; cia2 timer a lowbyte
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sty $dc04 ; cia1 timer a lowbyte
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lda #%00010001
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sta $dd0e ; control register a
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; timer: start
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; continous
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; forced load
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; serial port: input
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; cia 1 setup
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; lda #%00000001
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; sty $dc0d ; irq ctrl reg
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lda #%01010001
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sta $dc0e ; control register a
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; timer: start
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; continous
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; forced load
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; serial port: output
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; read directions 3
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lda $dd01 ;read cia 2 port b
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and #$0f
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sta temp3
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; read button 3
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lda $dd02 ;cia 2 port a
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and #%11111011 ;data direction
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sta $dd02 ;=> bit 2 input
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lda $dd00 ;read cia 2 p.A
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and #%00000100 ;check bit 2
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asl a
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asl a
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ora temp3
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sta temp3
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; read directions 4
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lda $dd01 ;read cia 2 port b
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lsr a
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lsr a
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lsr a
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lsr a
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sta temp4
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; read button 4
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ldx #$ff ;serial data register
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stx $dc0c;=> writing $ff causes
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;cia to output some
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;count signals at cnt1
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ldx $dd0c ;read cia 2 serial in
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beq fire ;button press if zero
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lda temp4
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ora #%00010000
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sta temp4
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fire:
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; Default Value: $40/64 on PAL
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; $42/66 on NTSC
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lda #$41
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sta $dc05
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; Default Value: $25/37 on PAL
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; $95/149 on NTSC
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lda #0
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sta $dc04
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irqjmp: jmp $dead
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; ------------------------------------------------------------------------
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; COUNT: Return the total number of available joysticks in a/x.
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;
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COUNT:
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lda #<JOY_COUNT
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ldx #>JOY_COUNT
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rts
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; ------------------------------------------------------------------------
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; READ: Read a particular joystick passed in A.
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;
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READ:
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tax ; Joystick number into X
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bne joy2
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; Read joystick 1
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joy1:
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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
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cli
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and #$1F
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eor #$1F
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rts
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; Read joystick 2
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joy2:
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dex
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bne joy3
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; ldx #0
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lda #$E0
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ldy #$FF
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sei
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sta CIA1_DDRA
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lda CIA1_PRA
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sty CIA1_DDRA
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cli
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and #$1F
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eor #$1F
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rts
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; Read joystick 3
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joy3:
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dex
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bne joy4
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lda temp3
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eor #$1F
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ldx #0
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rts
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; Read joystick 4
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joy4:
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lda temp4
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eor #$1F
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ldx #0
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rts
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158
libsrc/c64/c64-ptvjoy.s
Executable file
158
libsrc/c64/c64-ptvjoy.s
Executable file
@ -0,0 +1,158 @@
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;
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; PTV-4 Player joystick driver for the C64
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;
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; Groepaz/Hitmen, 2002-12-23
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; obviously based on Ullrichs driver :)
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;
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.include "zeropage.inc"
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.include "joy-kernel.inc"
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.include "joy-error.inc"
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.include "c64.inc"
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.macpack generic
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; ------------------------------------------------------------------------
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; Header. Includes jump table
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.segment "JUMPTABLE"
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; Driver signature
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.byte $6A, $6F, $79 ; "joy"
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.byte $00 ; Driver API version number
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; Button state masks (8 values)
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.byte $01 ; JOY_UP
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.byte $02 ; JOY_DOWN
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.byte $04 ; JOY_LEFT
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.byte $08 ; JOY_RIGHT
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.byte $10 ; JOY_FIRE
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.byte $00 ; Future expansion
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.byte $00 ; Future expansion
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.byte $00 ; Future expansion
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; Jump table.
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.word INSTALL
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.word DEINSTALL
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.word COUNT
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.word READ
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; ------------------------------------------------------------------------
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; Constants
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JOY_COUNT = 4 ; Number of joysticks we support
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.code
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; ------------------------------------------------------------------------
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; INSTALL routine. Is called after the driver is loaded into memory. If
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; possible, check if the hardware is present and determine the amount of
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; memory available.
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; Must return an JOY_ERR_xx code in a/x.
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;
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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 DEINSTALL instead
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; ------------------------------------------------------------------------
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; DEINSTALL routine. Is called before the driver is removed from memory.
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; Can do cleanup or whatever. Must not return anything.
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;
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DEINSTALL:
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rts
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; ------------------------------------------------------------------------
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; COUNT: Return the total number of available joysticks in a/x.
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;
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COUNT:
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lda #<JOY_COUNT
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ldx #>JOY_COUNT
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rts
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; ------------------------------------------------------------------------
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; READ: Read a particular joystick passed in A.
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;
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READ:
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tax ; Joystick number into X
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bne joy2
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; Read joystick 1
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joy1:
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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
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cli
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and #$1F
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eor #$1F
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rts
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; Read joystick 2
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joy2:
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dex
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bne joy3
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; ldx #0
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lda #$E0
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ldy #$FF
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sei
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sta CIA1_DDRA
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lda CIA1_PRA
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sty CIA1_DDRA
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cli
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and #$1F
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eor #$1F
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rts
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; Read joystick 3
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joy3:
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dex
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bne joy4
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lda #%10000000 ; cia 2 port B Data-Direction
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sta $dd03 ; bit 7: out bit 6-0: in
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lda #$80 ; cia 2 port B read/write
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sta $dd01 ; (output one at PB7)
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lda $dd01 ; cia 2 port B read/write
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and #$1f ; get bit 4-0 (PB4-PB0)
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; ldx #0
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rts
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; Read joystick 4
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joy4:
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lda #%10000000 ; cia 2 port B Data-Direction
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sta $dd03 ; bit 7: out bit 6-0: in
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lda #$00 ; cia 2 port B read/write
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sta $dd01 ; (output zero at PB7)
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lda $dd01 ; cia 2 port B read/write
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and #$0f ; get bit 3-0 (PB3-PB0)
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sta tmp1 ; joy 4 directions
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lda $dd01 ; cia 2 port B read/write
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and #%00100000 ; get bit 5 (PB5)
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lsr
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ora tmp1
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ldx #0
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rts
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