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Adjusted to recent driver interface change.

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Please note that this change is absolutely untested!
This commit is contained in:
Oliver Schmidt 2017-08-20 14:25:02 +02:00
parent b5a4e5667a
commit a817da7c6b
1 changed files with 52 additions and 18 deletions
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70
libsrc/c64/joy/c64-numpad.s
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@ -30,17 +30,6 @@
.addr $0000
; Button state masks (8 values)
.byte $02 ; JOY_UP "8"
.byte $10 ; JOY_DOWN "2"
.byte $20 ; JOY_LEFT "4"
.byte $08 ; JOY_RIGHT "6"
.byte $04 ; JOY_FIRE "5" ENTER
.byte $00 ; JOY_FIRE2 unavailable
.byte $00 ; Future expansion
.byte $00 ; Future expansion
; Jump table.
.addr INSTALL
@ -58,6 +47,49 @@ JOY_COUNT = 1 ; Number of joysticks we support
; ------------------------------------------------------------------------
; Data.
.rodata
; <U>p '8' key
; <D>own '2' key
; <L>eft '4' key
; <R>ight '6' key
; <B>utton '5' or ENTER key
masktable:
; Input: LDRBU
; Output: BRLDU
.byte %00000000 ; $00
.byte %00000001 ; $01
.byte %00010000 ; $02
.byte %00010001 ; $03
.byte %00001000 ; $04
.byte %00001001 ; $05
.byte %00011000 ; $06
.byte %00011001 ; $07
.byte %00000010 ; $08
.byte %00000011 ; $09
.byte %00010010 ; $0A
.byte %00010011 ; $0B
.byte %00001010 ; $0C
.byte %00001011 ; $0D
.byte %00011010 ; $0E
.byte %00011011 ; $0F
.byte %00000100 ; $10
.byte %00000101 ; $11
.byte %00010100 ; $12
.byte %00010101 ; $13
.byte %00001100 ; $14
.byte %00001101 ; $15
.byte %00011100 ; $16
.byte %00011101 ; $17
.byte %00000110 ; $18
.byte %00000111 ; $19
.byte %00010110 ; $1A
.byte %00010111 ; $1B
.byte %00001110 ; $1C
.byte %00001111 ; $1D
.byte %00011110 ; $1E
.byte %00011111 ; $1F
.code
@ -100,21 +132,23 @@ COUNT: lda #JOY_COUNT
;
READ: tax ; Clear high byte
lda #$FD
ldy #$FE
lda #$FD ; For ENTER and '6'
ldy #$FE ; For '8', '5', '2', '4'
sei
sta VIC_KBD_128
lda CIA1_PRB
and #%00110000
eor #%00110000
lsr
lsr
lsr ; Map ENTER ...
lsr ; ... onto '5'
sty VIC_KBD_128
eor CIA1_PRB
iny
sty VIC_KBD_128 ; Reset to $FF
cli
and #%11111110
eor #%11111110
and #%00111110
eor #%00111110
lsr
tay
lda masktable,y ; Convert LDRBU to BRLDU
rts