49 lines
1.1 KiB
ArmAsm
49 lines
1.1 KiB
ArmAsm
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;---------------------------------------------------------------------
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;; The 1351 mouse code was taken from the CC65 libraries,
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;; written by Ullrich von Bassewitz
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;---------------------------------------------------------------------
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.macpack generic
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.import _ctk_mouse_joyx, _ctk_mouse_joyy
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.import _ctk_mouse_firebutton
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.export _ctk_mouse_asm_irq
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.import _ctk_mouse_joy, _ctk_mouse_1351
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;---------------------------------------------------------------------
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;---------------------------------------------------------------------
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.code
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;---------------------------------------------------------------------
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_ctk_mouse_asm_irq:
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lda #0
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sta _ctk_mouse_firebutton
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jsr _ctk_mouse_joy
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;; jsr_ctk_mouse_1351
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; lda _ctk_mouse_joybutton
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; ora _ctk_mouse_1351button
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; sta _ctk_mouse_firebutton
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lda _ctk_mouse_joyy
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clc
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adc #$32
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sta $d001
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sta $d003
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lda _ctk_mouse_joyx
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clc
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adc #$18
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sta $d000
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sta $d002
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lda #0
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adc _ctk_mouse_joyx+1
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and #1
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beq :+
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lda #3
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:
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sta $d010
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jmp $ea31
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