mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-04 20:06:09 +00:00
65 lines
761 B
ArmAsm
65 lines
761 B
ArmAsm
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SET_GR = $C050
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FULLGR = $C052
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PAGE0 = $C054
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HIRES = $C057
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WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
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KEYPRESS = $C000
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KEYRESET = $C010
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the_1980s:
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bit SET_GR
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bit FULLGR
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bit PAGE0
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bit HIRES
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forever:
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lda KEYPRESS
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bpl forever
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bit KEYRESET
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;============================
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; setup load code
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;============================
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; enable drive motor
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lda $c0e9 ; fixme, patch
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; wait 1s
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ldx #6
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wait_1s:
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lda #255
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jsr WAIT
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dex
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bne wait_1s
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entry=$1f00
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phase=$bf2e
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lda #>(entry-1)
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pha
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lda #<(entry-1)
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pha
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lda #<(8*2)
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sta phase+1
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ldx #33
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lda #$1f
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ldy #0
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jmp $be07
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.align $100
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.incbin "new_80s.hgr"
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