mirror of https://github.com/cc65/cc65.git
422 lines
8.1 KiB
ArmAsm
422 lines
8.1 KiB
ArmAsm
;
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; original lcdtest.s by PeT (mess@utanet.at)
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;
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; cl65 -t gamate -o lcdtest.bin lcdtest.s
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;
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.include "gamate.inc"
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.zeropage
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addr: .word 0
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psa: .word 0
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.bss
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temp_x: .byte 0
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temp_y: .byte 0
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temp_a: .byte 0
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irq_count: .byte 0
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nmi_count: .byte 0
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psx: .byte 0
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psy: .byte 0
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count: .word 0
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counted: .word 0
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xpos: .byte 0
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ypos: .byte 0
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.rodata
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chars: .incbin "cga2.chr"
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hex2asc: .byte "0123456789abcdef"
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format: .byte "IrqNmiCountXposYpos", 0
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xdesc: .byte "0123456789abcdefghijklmnopqrstuv", 0
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ydesc: .byte "0123456789ABCDEFGHIJKLMNOPQRSTUV", 0
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.code
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;-------------------------------------------------------------------------------
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.export IRQStub, NMIStub
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.proc NMIStub
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inc nmi_count
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rts
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.endproc
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.proc IRQStub
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inc irq_count
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lda count
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sta counted
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lda count+1
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sta counted+1
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lda #0
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sta count
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sta count+1
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rts
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.endproc
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;-------------------------------------------------------------------------------
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.export Start
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.proc Start
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sei
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lda #0
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sta ZP_IRQ_CTRL
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lda #0
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sta LCD_XPOS
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sta LCD_YPOS
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cli
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lda #LCD_MODE_INC_Y
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sta LCD_MODE
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lda #0
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sta LCD_X
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lda #<xdesc
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ldx #>xdesc
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ldy #0
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jsr printstring
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lda #LCD_XPOS_PLANE2
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sta LCD_X
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lda #<xdesc
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ldx #>xdesc
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ldy #128
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jsr printstring
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lda #0
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sta LCD_X
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lda #<ydesc
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ldx #>ydesc
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ldy #0
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sty LCD_Y
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jsr printstringy
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lda #(LCD_XPOS_PLANE2|(128/8)) ; ???
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sta LCD_X
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lda #<ydesc
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ldx #>ydesc
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ldy #0
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sty LCD_Y
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jsr printstringy
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lda #<format
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ldx #>format
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ldy #8
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jsr printstring
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lda #0
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sta LCD_MODE
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lda #24/8
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sta LCD_X
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lda #24
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sta LCD_Y
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lda #'X'
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jsr printsign
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lda #$80
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sta LCD_MODE
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lda #32/8
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sta LCD_X
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lda #32
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sta LCD_Y
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lda #'Y'
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jsr printsign
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lda #$c0
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sta LCD_MODE
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lda #40/8
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sta LCD_X
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lda #40
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sta LCD_Y
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lda #'Z'
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jsr printsign
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lda #0
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sta LCD_MODE
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lda #LCD_XPOS_PLANE2|(48/8)
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sta LCD_X
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lda #48
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sta LCD_Y
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lda #'x'
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jsr printsign
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lda #$80
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sta LCD_MODE
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lda #(LCD_XPOS_PLANE2|(56/8))
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sta LCD_X
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lda #56
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sta LCD_Y
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lda #'y'
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jsr printsign
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lda #$c0
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sta LCD_MODE
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lda #(LCD_XPOS_PLANE2|(64/8))
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sta LCD_X
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lda #64
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sta LCD_Y
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lda #'z'
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jsr printsign
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lda #LCD_MODE_INC_Y|1
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sta LCD_MODE
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lda #16/8
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sta LCD_X
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lda #72
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sta LCD_Y
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lda #'V'
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jsr printsign
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lda #LCD_MODE_INC_Y|2
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sta LCD_MODE
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lda #24/8
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sta LCD_X
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lda #72
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sta LCD_Y
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lda #'V'
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jsr printsign
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lda #LCD_MODE_INC_Y|4
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sta LCD_MODE
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lda #32/8
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sta LCD_X
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lda #72
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sta LCD_Y
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lda #'V'
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jsr printsign
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lda #LCD_MODE_INC_Y|8
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sta LCD_MODE
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lda #40/8
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sta LCD_X
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lda #72
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sta LCD_Y
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lda #'V'
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jsr printsign
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lda #1
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sta ZP_IRQ_CTRL
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loop:
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lda count
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clc
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adc #1
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sta count
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lda count+1
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adc #0
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sta count+1
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lda irq_count
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cmp irq_count
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beq loop
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jsr inputs
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lda #LCD_MODE_INC_Y
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sta LCD_MODE
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jsr printy
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jmp loop
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.endproc
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;-------------------------------------------------------------------------------
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.proc printy
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ldx #0
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ldy #16
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lda irq_count
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jsr printhex
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ldx #3
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ldy #16
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lda nmi_count
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jsr printhex
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ldx #6
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ldy #16
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lda counted+1
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jsr printhex
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ldx #8
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ldy #16
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lda counted
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jsr printhex
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ldx #11
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ldy #16
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lda xpos
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jsr printhex
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ldx #14
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ldy #16
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lda ypos
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jsr printhex
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rts
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.endproc
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.proc inputs
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lda JOY_DATA
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and #JOY_DATA_UP
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bne notup
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dec ypos
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lda ypos
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sta LCD_YPOS
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notup:
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lda JOY_DATA
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and #JOY_DATA_DOWN
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bne notdown
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inc ypos
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lda ypos
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sta LCD_YPOS
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notdown:
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lda JOY_DATA
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and #JOY_DATA_LEFT
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bne notleft
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dec xpos
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lda xpos
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sta LCD_XPOS
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notleft:
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lda JOY_DATA
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and #JOY_DATA_RIGHT
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bne notright
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inc xpos
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lda xpos
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sta LCD_XPOS
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notright:
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lda JOY_DATA
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and #JOY_DATA_START
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bne notstart
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notstart:
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lda JOY_DATA
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and #JOY_DATA_SELECT
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bne notselect
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notselect:
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lda JOY_DATA
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and #JOY_DATA_FIRE_A
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bne notbuttona
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notbuttona:
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lda JOY_DATA
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and #JOY_DATA_FIRE_B
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bne notbuttonb
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notbuttonb:
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rts
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.endproc
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;-------------------------------------------------------------------------------
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.proc printstring
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sta psa
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stx psa+1
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ldx #0
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stx psx
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sty psy
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printstring2:
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ldy #0
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lda (psa),y
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beq printstring1
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ldx psx
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stx LCD_X
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ldy psy
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sty LCD_Y
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jsr printsign
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inc psx
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lda psa
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clc
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adc #1
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sta psa
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lda psa+1
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adc #0
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sta psa+1
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jmp printstring2
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printstring1:
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rts
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.endproc
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.proc printstringy
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sta psa
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stx psa+1
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printstring2:
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ldy #0
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lda (psa),y
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beq printstring1
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jsr printsign
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lda psa
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clc
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adc #1
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sta psa
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lda psa+1
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adc #0
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sta psa+1
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jmp printstring2
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printstring1:
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rts
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.endproc
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.proc printhex
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pha
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lsr
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lsr
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lsr
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lsr
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and #$0f
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stx temp_x
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tax
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lda hex2asc,x
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ldx temp_x
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stx LCD_X
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sty LCD_Y
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jsr printsign
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pla
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and #$0f
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inx
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stx temp_x
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tax
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lda hex2asc,x
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ldx temp_x
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stx LCD_X
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sty LCD_Y
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jmp printsign
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.endproc
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.proc printsign
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sty temp_y
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stx temp_x
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sta temp_a
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lda temp_a
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sta addr
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lda #0
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sta addr+1
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asl addr
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rol addr+1
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asl addr
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rol addr+1
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asl addr
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rol addr+1
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lda addr
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clc
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adc #<chars
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sta addr
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lda addr+1
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adc #>chars
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sta addr+1
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ldx #8
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ldy #0
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printsign1:
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lda (addr),y
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sta LCD_DATA
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iny
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dex
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bne printsign1
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ldx temp_x
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ldy temp_y
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rts
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.endproc
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