; Driver signature
.byte $6A, $6F, $79 ; "joy"
- .byte $00 ; Driver API version number
+ .byte JOY_API_VERSION ; Driver API version number
; Button state masks (8 values)
.byte $08 ; JOY_LEFT
.byte $80 ; JOY_RIGHT
.byte $10 ; JOY_FIRE
- .byte $00 ; Future expansion
+ .byte $00 ; JOY_FIRE2 unavailable
.byte $00 ; Future expansion
.byte $00 ; Future expansion
; Jump table.
- .word INSTALL
- .word UNINSTALL
- .word COUNT
- .word READ
+ .addr INSTALL
+ .addr UNINSTALL
+ .addr COUNT
+ .addr READ
+ .addr 0 ; IRQ entry unused
; ------------------------------------------------------------------------
; Constants
INSTALL:
lda #<JOY_ERR_OK
ldx #>JOY_ERR_OK
-
-; rts ; Run into DEINSTALL instead
+; rts ; Run into UNINSTALL instead
; ------------------------------------------------------------------------
; UNINSTALL routine. Is called before the driver is removed from memory.