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https://github.com/a2-4am/4cade.git
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54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
Plaintext
!cpu 6502
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!to "build/LAUNCHER.SYSTEM",plain
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*=$2000
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MEMFLAG = $FF ; bit 7 = 0 if 64K, 1 if 128K
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MACHID = $BF98 ; machine identification byte
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lda MACHID
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and #$30
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cmp #$30 ; C=0 if 64K, C=1 if 128K
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ror MEMFLAG ; set bit 7 from C
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; jsr init ; initialize ProRWTS2
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; lda $C08B
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; lda $C08B
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; lda #<cover
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; sta namlo
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; lda #>cover
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; sta namhi
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; lda #0
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; sta sizelo
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; lda #$20
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; sta sizehi
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; jsr hddopendir
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; bit $C055
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; bit $C052
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; bit $C057
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; bit $C050
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- lda #0
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beq -
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cover !byte cover_e-cover_b
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cover_b !text "COVER"
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cover_e
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;LoadDHGR
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; sta $C000
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; ldx #$20 ; copy $2000 bytes to auxmem
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; stx @copya+2
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; stx @copyb+2
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; ldy #0
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;@writeToAuxLoop
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; sta $C005
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;@copya lda $FF00, y
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;@copyb sta $FF00, y
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; iny
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; bne @copya
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; sta $C004
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; inc @copya+2
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; inc @copyb+2
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; dex
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; bne @writeToAuxLoop
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