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Use structs

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2778 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2003-12-16 22:38:28 +00:00
parent b15e4106dc
commit bfc4e54c41
1 changed files with 15 additions and 12 deletions
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27
asminc/joy-kernel.inc
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@ -39,19 +39,22 @@
;------------------------------------------------------------------------------
; Driver header stuff
JOY_HDR_ID = 0 ; $6A, $6F, $79 ("joy")
JOY_HDR_VERSION = 3 ; Interface version
.struct JOY_HDR
ID .byte 3 ; $6A, $6F, $79 ("joy")
VERSION .byte 1 ; Interface version
MASKS .byte 8 ; Joystick state mask array
JUMPTAB .struct
INSTALL .word ; INSTALL routine
UNINSTALL .word ; UNINSTALL routine
COUNT .word ; COUNT routine
READ .word ; READ routine
.endstruct
.endstruct
JOY_MASKS = 4 ; Joystick state mask array
JOY_MASK_COUNT = 8 ; Size of the array
;------------------------------------------------------------------------------
; The JOY API version, stored in JOY_HDR::VERSION
JOY_HDR_JUMPTAB = 12
JOY_HDR_INSTALL = JOY_HDR_JUMPTAB+0 ; INSTALL routine
JOY_HDR_UNINSTALL = JOY_HDR_JUMPTAB+2 ; UNINSTALL routine
JOY_HDR_COUNT = JOY_HDR_JUMPTAB+4 ; COUNT routine
JOY_HDR_READ = JOY_HDR_JUMPTAB+6 ; READ routine
JOY_HDR_JUMPCOUNT = 4 ; Number of jump vectors
JOY_API_VERSION = $00
;------------------------------------------------------------------------------
; Variables
@ -74,4 +77,4 @@ JOY_HDR_JUMPCOUNT = 4 ; Number of jump vectors
.global _joy_count
.global _joy_read