mirror of
https://github.com/robmcmullen/fujirun.git
synced 2024-07-01 03:29:28 +00:00
58 lines
698 B
ArmAsm
58 lines
698 B
ArmAsm
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*= $6000
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; os memory map
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KEYBOARD = $c000
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KBDSTROBE = $c010
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CLRTEXT = $c050
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SETTEXT = $c051
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CLRMIXED = $c052
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SETMIXED = $c053
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TXTPAGE1 = $c054
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TXTPAGE2 = $c055
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CLRHIRES = $c056
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SETHIRES = $c057
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; defines
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start nop
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bit CLRTEXT ; start with HGR page 1, full screen
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bit CLRMIXED
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bit TXTPAGE1
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bit SETHIRES
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jsr clrscr
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jsr init_game
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jsr game_loop
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forever
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jmp forever
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clrscr
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lda #0
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sta clr1+1
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lda #$20
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sta clr1+2
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clr0
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lda #$81
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ldy #0
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clr1
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sta $ffff,y
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iny
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bne clr1
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inc clr1+2
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ldx clr1+2
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cpx #$40
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bcc clr1
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rts
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init_game nop
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jsr rand_test
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rts
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game_loop nop
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jmp game_loop
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.include "rand.s"
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