mirror of https://github.com/cc65/cc65.git
458 lines
9.1 KiB
ArmAsm
458 lines
9.1 KiB
ArmAsm
;
|
|
; original audiotest.s by PeT (mess@utanet.at)
|
|
;
|
|
; cl65 -t gamate -o audiotest.bin audiotest.s
|
|
;
|
|
|
|
.include "gamate.inc"
|
|
|
|
.zeropage
|
|
addr: .word 0
|
|
psa: .word 0
|
|
readaddr: .word 0
|
|
editbuffer1: .byte 0,0,0,0, 0,0,0,0
|
|
writeaddr: .word 0
|
|
editbuffer2: .byte 0,0,0,0, 0,0,0,0
|
|
cursor: .byte 0
|
|
controlslast: .byte 0
|
|
controlsedge: .byte 0
|
|
|
|
.bss
|
|
temp_x: .byte 0
|
|
temp_y: .byte 0
|
|
temp_a: .byte 0
|
|
irq_count: .byte 0
|
|
nmi_count: .byte 0
|
|
psx: .byte 0
|
|
psy: .byte 0
|
|
xpos: .byte 0
|
|
ypos: .byte 0
|
|
|
|
.rodata
|
|
|
|
chars: .incbin "cga2.chr"
|
|
hex2asc: .byte "0123456789abcdef"
|
|
|
|
.code
|
|
|
|
;-------------------------------------------------------------------------------
|
|
.export IRQStub, NMIStub
|
|
|
|
.proc NMIStub
|
|
inc nmi_count
|
|
rts
|
|
.endproc
|
|
|
|
.proc IRQStub
|
|
inc irq_count
|
|
rts
|
|
.endproc
|
|
|
|
;-------------------------------------------------------------------------------
|
|
.export Start
|
|
|
|
.proc Start
|
|
sei
|
|
lda #0
|
|
sta ZP_IRQ_CTRL
|
|
|
|
lda #>AUDIO_BASE
|
|
sta writeaddr+1
|
|
sta readaddr+1
|
|
lda #<AUDIO_BASE
|
|
sta writeaddr
|
|
sta readaddr
|
|
|
|
lda #$10
|
|
sta editbuffer1+6
|
|
lda #$e
|
|
sta editbuffer2+5
|
|
lda #$ff
|
|
sta editbuffer2+3
|
|
lda #$ff
|
|
sta editbuffer2+4
|
|
lda #$0f
|
|
sta editbuffer2
|
|
lda #$0f
|
|
sta editbuffer2+1
|
|
lda #$0e
|
|
sta editbuffer2+2
|
|
lda #$38
|
|
sta editbuffer1+7
|
|
|
|
lda #0
|
|
sta LCD_XPOS
|
|
sta LCD_YPOS
|
|
sta irq_count
|
|
sta cursor
|
|
lda #1
|
|
sta nmi_count
|
|
cli
|
|
lda #LCD_MODE_INC_Y
|
|
sta LCD_MODE
|
|
|
|
jsr printy
|
|
|
|
lda #1
|
|
sta ZP_IRQ_CTRL
|
|
|
|
loop:
|
|
lda irq_count
|
|
loop1:
|
|
cmp irq_count
|
|
beq loop1
|
|
lda irq_count
|
|
and #7
|
|
bne loop1
|
|
|
|
lda #LCD_MODE_INC_Y
|
|
sta LCD_MODE
|
|
|
|
ldx #3
|
|
ldy #32
|
|
lda irq_count
|
|
jsr printhex
|
|
|
|
lda cursor
|
|
ldy #0
|
|
cmp #20
|
|
bcc firstline
|
|
sec
|
|
sbc #20
|
|
ldy #24
|
|
firstline:
|
|
sta LCD_X
|
|
sty LCD_Y
|
|
lda #' '
|
|
jsr printsign
|
|
norclearcursor:
|
|
|
|
jsr inputs
|
|
|
|
lda irq_count
|
|
and #8
|
|
bne nocursor
|
|
lda cursor
|
|
ldy #0
|
|
cmp #20
|
|
bcc firstline2
|
|
sec
|
|
sbc #20
|
|
ldy #24
|
|
firstline2:
|
|
sta LCD_X
|
|
sty LCD_Y
|
|
lda #'x'
|
|
jsr printsign
|
|
nocursor:
|
|
|
|
lda #LCD_MODE_INC_Y
|
|
sta LCD_MODE
|
|
jsr printy
|
|
jmp loop
|
|
.endproc
|
|
|
|
.proc printy
|
|
|
|
ldy #0
|
|
loop1:
|
|
tya
|
|
pha
|
|
asl
|
|
tax
|
|
lda readaddr,y
|
|
ldy #8
|
|
jsr printhex
|
|
pla
|
|
tay
|
|
iny
|
|
cpy #10
|
|
bne loop1
|
|
|
|
loop2:
|
|
tya
|
|
pha
|
|
tya
|
|
sec
|
|
sbc #10
|
|
asl
|
|
tax
|
|
lda readaddr,y
|
|
ldy #16
|
|
jsr printhex
|
|
pla
|
|
tay
|
|
iny
|
|
cpy #20
|
|
bne loop2
|
|
|
|
ldx #0
|
|
ldy #32
|
|
lda nmi_count
|
|
jsr printhex
|
|
|
|
rts
|
|
.endproc
|
|
|
|
;-------------------------------------------------------------------------------
|
|
|
|
.proc inputs
|
|
lda controlslast
|
|
eor JOY_DATA
|
|
and controlslast
|
|
eor #$ff
|
|
sta controlsedge
|
|
and #JOY_DATA_UP
|
|
bne notup
|
|
|
|
lda cursor
|
|
lsr
|
|
tay
|
|
bcs uplow
|
|
lda readaddr,y
|
|
clc
|
|
adc #$10
|
|
sta readaddr,y
|
|
jmp notup
|
|
uplow:
|
|
lda readaddr,y
|
|
clc
|
|
adc #1
|
|
sta readaddr,y
|
|
notup:
|
|
lda controlsedge
|
|
and #JOY_DATA_DOWN
|
|
bne notdown
|
|
lda cursor
|
|
lsr
|
|
tay
|
|
bcs downlow
|
|
lda readaddr,y
|
|
sec
|
|
sbc #$10
|
|
sta readaddr,y
|
|
jmp notdown
|
|
downlow:
|
|
lda readaddr,y
|
|
sec
|
|
sbc #1
|
|
sta readaddr,y
|
|
notdown:
|
|
lda controlsedge
|
|
and #JOY_DATA_LEFT
|
|
bne notleft
|
|
lda cursor
|
|
beq notleft
|
|
dec cursor
|
|
notleft:
|
|
lda controlsedge
|
|
and #JOY_DATA_RIGHT
|
|
bne notright
|
|
lda cursor
|
|
cmp #40
|
|
beq notright
|
|
inc cursor
|
|
notright:
|
|
lda controlsedge
|
|
and #JOY_DATA_START
|
|
bne notstart
|
|
lda #0
|
|
sta AUDIO_BASE
|
|
sta AUDIO_BASE+1
|
|
sta AUDIO_BASE+2
|
|
sta AUDIO_BASE+3
|
|
sta AUDIO_BASE+4
|
|
sta AUDIO_BASE+5
|
|
sta AUDIO_BASE+6
|
|
sta AUDIO_BASE+8
|
|
sta AUDIO_BASE+9
|
|
sta AUDIO_BASE+10
|
|
sta AUDIO_BASE+11
|
|
sta AUDIO_BASE+12
|
|
sta AUDIO_BASE+13
|
|
sta AUDIO_BASE+7
|
|
notstart:
|
|
lda controlsedge
|
|
and #JOY_DATA_SELECT
|
|
bne notselect
|
|
|
|
lda editbuffer1
|
|
sta AUDIO_BASE
|
|
lda editbuffer1+1
|
|
sta AUDIO_BASE+1
|
|
lda editbuffer1+2
|
|
sta AUDIO_BASE+2
|
|
lda editbuffer1+3
|
|
sta AUDIO_BASE+3
|
|
lda editbuffer1+4
|
|
sta AUDIO_BASE+4
|
|
lda editbuffer1+5
|
|
sta AUDIO_BASE+5
|
|
lda editbuffer1+6
|
|
sta AUDIO_BASE+6
|
|
lda editbuffer2
|
|
sta AUDIO_BASE+8
|
|
lda editbuffer2+1
|
|
sta AUDIO_BASE+9
|
|
lda editbuffer2+2
|
|
sta AUDIO_BASE+10
|
|
lda editbuffer2+3
|
|
sta AUDIO_BASE+11
|
|
lda editbuffer2+4
|
|
sta AUDIO_BASE+12
|
|
lda editbuffer2+5
|
|
sta AUDIO_BASE+13
|
|
lda editbuffer1+7
|
|
sta AUDIO_BASE+7
|
|
notselect:
|
|
lda controlsedge
|
|
and #JOY_DATA_FIRE_A
|
|
bne notbuttona
|
|
ldy #0
|
|
ldy #0
|
|
writea:
|
|
lda editbuffer1,y
|
|
sta (writeaddr),y
|
|
iny
|
|
cpy #8
|
|
bne writea
|
|
writeb:
|
|
lda editbuffer2-8,y
|
|
sta (writeaddr),y
|
|
iny
|
|
cpy #16
|
|
bne writeb
|
|
notbuttona:
|
|
lda controlsedge
|
|
and #JOY_DATA_FIRE_B
|
|
bne notbuttonb
|
|
ldy #0
|
|
reada:
|
|
lda (readaddr),y
|
|
sta editbuffer1,y
|
|
iny
|
|
cpy #8
|
|
bne reada
|
|
|
|
readb: lda (readaddr),y
|
|
sta editbuffer2-8,y
|
|
iny
|
|
cpy #16
|
|
bne readb
|
|
notbuttonb:
|
|
lda JOY_DATA
|
|
sta controlslast
|
|
rts
|
|
.endproc
|
|
|
|
;-------------------------------------------------------------------------------
|
|
|
|
.proc printstring
|
|
sta psa
|
|
stx psa+1
|
|
ldx #0
|
|
stx psx
|
|
sty psy
|
|
printstring2:
|
|
ldy #0
|
|
lda (psa),y
|
|
beq printstring1
|
|
ldx psx
|
|
stx LCD_X
|
|
ldy psy
|
|
sty LCD_Y
|
|
jsr printsign
|
|
inc psx
|
|
lda psa
|
|
clc
|
|
adc #1
|
|
sta psa
|
|
lda psa+1
|
|
adc #0
|
|
sta psa+1
|
|
jmp printstring2
|
|
printstring1:
|
|
rts
|
|
.endproc
|
|
|
|
.proc printstringy
|
|
sta psa
|
|
stx psa+1
|
|
printstring2:
|
|
ldy #0
|
|
lda (psa),y
|
|
beq printstring1
|
|
jsr printsign
|
|
lda psa
|
|
clc
|
|
adc #1
|
|
sta psa
|
|
lda psa+1
|
|
adc #0
|
|
sta psa+1
|
|
jmp printstring2
|
|
printstring1:
|
|
rts
|
|
.endproc
|
|
|
|
|
|
.proc printhex
|
|
pha
|
|
lsr
|
|
lsr
|
|
lsr
|
|
lsr
|
|
and #$0f
|
|
stx temp_x
|
|
tax
|
|
lda hex2asc,x
|
|
ldx temp_x
|
|
stx LCD_X
|
|
sty LCD_Y
|
|
jsr printsign
|
|
pla
|
|
and #$0f
|
|
inx
|
|
stx temp_x
|
|
tax
|
|
lda hex2asc,x
|
|
ldx temp_x
|
|
stx LCD_X
|
|
sty LCD_Y
|
|
jmp printsign
|
|
.endproc
|
|
|
|
.proc printsign
|
|
sty temp_y
|
|
stx temp_x
|
|
sta temp_a
|
|
lda temp_a
|
|
sta addr
|
|
lda #0
|
|
sta addr+1
|
|
asl addr
|
|
rol addr+1
|
|
asl addr
|
|
rol addr+1
|
|
asl addr
|
|
rol addr+1
|
|
lda addr
|
|
clc
|
|
adc #<chars
|
|
sta addr
|
|
lda addr+1
|
|
adc #>chars
|
|
sta addr+1
|
|
ldx #8
|
|
ldy #0
|
|
printsign1:
|
|
lda (addr),y
|
|
sta LCD_DATA
|
|
iny
|
|
dex
|
|
bne printsign1
|
|
ldx temp_x
|
|
ldy temp_y
|
|
rts
|
|
.endproc
|