mirror of
https://github.com/mi57730/a2d.git
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DeskTop Seg 1: impl details
This commit is contained in:
Joshua Bell
parent
dd02732f5c
commit
8e2d95611c
@ -131,6 +131,11 @@ A2D_SET_TEXT_MASK := $0C ; Stored to background before XORing glyph
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;; (input length 1 byte)
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;; .byte mask
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A2D_OFFSET_POS := $0D ; Adjust start of subsequent DRAW_TEXT, DRAW_LINE
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;; (input length 4 bytes)
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;; .word xdelta
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;; .word ydelta
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A2D_SET_POS := $0E ; Start of subsequent DRAW_TEXT, DRAW_LINE
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;; (input length 4 bytes)
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;; .word xcoord
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@ -59,7 +59,7 @@ LD2D0 := $D2D0
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state_hoff := $D8
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state_voff := $DA
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state_width := $DC
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state_height := $DF
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state_height := $DE
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state_pattern := $E0
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state_msk := $E8
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state_mskand := $E8
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@ -279,7 +279,7 @@ a2d_jump_table:
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.addr jt_rts ; $0A SET_THICKNESS
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.addr L586A ; $0B
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.addr jt_rts ; $0C SET_TEXT_MASK
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.addr L5742 ; $0D
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.addr OFFSET_POS_IMPL ; $0D OFFSET_POS
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.addr jt_rts ; $0E SET_POS
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.addr DRAW_LINE_IMPL ; $0F DRAW_LINE
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.addr DRAW_LINE_ABS_IMPL ; $10 DRAW_LINE_ABS
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@ -453,7 +453,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $50,$52,$54,$56,$58,$5A,$5C,$5E
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.byte $60,$62,$64,$66,$68,$6A,$6C,$6E
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.byte $70,$72,$74,$76,$78,$7A,$7C,$7E
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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L42A1: .byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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@ -469,7 +470,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $01,$01,$01,$01,$01,$01,$01,$01
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.byte $01,$01,$01,$01,$01,$01,$01,$01
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.byte $01,$01,$01,$01,$01,$01,$01,$01
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.byte $00,$04,$08,$0C,$10,$14,$18,$1C
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L4321: .byte $00,$04,$08,$0C,$10,$14,$18,$1C
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.byte $20,$24,$28,$2C,$30,$34,$38,$3C
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.byte $40,$44,$48,$4C,$50,$54,$58,$5C
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.byte $60,$64,$68,$6C,$70,$74,$78,$7C
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@ -485,7 +487,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $20,$24,$28,$2C,$30,$34,$38,$3C
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.byte $40,$44,$48,$4C,$50,$54,$58,$5C
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.byte $60,$64,$68,$6C,$70,$74,$78,$7C
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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L43A1: .byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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@ -501,7 +504,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $03,$03,$03,$03,$03,$03,$03,$03
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.byte $03,$03,$03,$03,$03,$03,$03,$03
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.byte $03,$03,$03,$03,$03,$03,$03,$03
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.byte $00,$08,$10,$18,$20,$28,$30,$38
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L4421: .byte $00,$08,$10,$18,$20,$28,$30,$38
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.byte $40,$48,$50,$58,$60,$68,$70,$78
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.byte $00,$08,$10,$18,$20,$28,$30,$38
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.byte $40,$48,$50,$58,$60,$68,$70,$78
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@ -517,7 +521,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $40,$48,$50,$58,$60,$68,$70,$78
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.byte $00,$08,$10,$18,$20,$28,$30,$38
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.byte $40,$48,$50,$58,$60,$68,$70,$78
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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L44A1: .byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $01,$01,$01,$01,$01,$01,$01,$01
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.byte $01,$01,$01,$01,$01,$01,$01,$01
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@ -533,6 +538,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $06,$06,$06,$06,$06,$06,$06,$06
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.byte $07,$07,$07,$07,$07,$07,$07,$07
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.byte $07,$07,$07,$07,$07,$07,$07,$07
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L4521: .byte $00,$10,$20,$30,$40,$50,$60,$70
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.byte $00,$10,$20,$30,$40,$50,$60,$70
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.byte $00,$10,$20,$30,$40,$50,$60,$70
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.byte $00,$10,$20,$30,$40,$50,$60,$70
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@ -548,8 +555,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $00,$10,$20,$30,$40,$50,$60,$70
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.byte $00,$10,$20,$30,$40,$50,$60,$70
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.byte $00,$10,$20,$30,$40,$50,$60,$70
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.byte $00,$10,$20,$30,$40,$50,$60,$70
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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L45A1: .byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $01,$01,$01,$01,$01,$01,$01,$01
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.byte $02,$02,$02,$02,$02,$02,$02,$02
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.byte $03,$03,$03,$03,$03,$03,$03,$03
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@ -565,6 +572,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $0D,$0D,$0D,$0D,$0D,$0D,$0D,$0D
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.byte $0E,$0E,$0E,$0E,$0E,$0E,$0E,$0E
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.byte $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F
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L4621: .byte $00,$20,$40,$60,$00,$20,$40,$60
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.byte $00,$20,$40,$60,$00,$20,$40,$60
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.byte $00,$20,$40,$60,$00,$20,$40,$60
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.byte $00,$20,$40,$60,$00,$20,$40,$60
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@ -580,8 +589,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $00,$20,$40,$60,$00,$20,$40,$60
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.byte $00,$20,$40,$60,$00,$20,$40,$60
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.byte $00,$20,$40,$60,$00,$20,$40,$60
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.byte $00,$20,$40,$60,$00,$20,$40,$60
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.byte $00,$00,$00,$00,$01,$01,$01,$01
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L46A1: .byte $00,$00,$00,$00,$01,$01,$01,$01
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.byte $02,$02,$02,$02,$03,$03,$03,$03
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.byte $04,$04,$04,$04,$05,$05,$05,$05
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.byte $06,$06,$06,$06,$07,$07,$07,$07
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@ -597,6 +606,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $1A,$1A,$1A,$1A,$1B,$1B,$1B,$1B
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.byte $1C,$1C,$1C,$1C,$1D,$1D,$1D,$1D
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.byte $1E,$1E,$1E,$1E,$1F,$1F,$1F,$1F
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L4721: .byte $00,$40,$00,$40,$00,$40,$00,$40
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.byte $00,$40,$00,$40,$00,$40,$00,$40
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.byte $00,$40,$00,$40,$00,$40,$00,$40
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.byte $00,$40,$00,$40,$00,$40,$00,$40
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@ -612,8 +623,8 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $00,$40,$00,$40,$00,$40,$00,$40
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.byte $00,$40,$00,$40,$00,$40,$00,$40
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.byte $00,$40,$00,$40,$00,$40,$00,$40
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.byte $00,$40,$00,$40,$00,$40,$00,$40
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.byte $00,$00,$01,$01,$02,$02,$03,$03
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L47A1: .byte $00,$00,$01,$01,$02,$02,$03,$03
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.byte $04,$04,$05,$05,$06,$06,$07,$07
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.byte $08,$08,$09,$09,$0A,$0A,$0B,$0B
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.byte $0C,$0C,$0D,$0D,$0E,$0E,$0F,$0F
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@ -629,8 +640,10 @@ L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
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.byte $34,$34,$35,$35,$36,$36,$37,$37
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.byte $38,$38,$39,$39,$3A,$3A,$3B,$3B
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.byte $3C,$3C,$3D,$3D,$3E,$3E,$3F,$3F
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L4821: .byte $00,$00,$00,$00
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L4825: .byte $00,$00,$00
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L4828: .byte $01,$01,$01,$01,$01,$01,$01,$02
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.byte $02,$02,$02,$02,$02,$02,$03,$03
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.byte $03,$03,$03,$03,$03,$04,$04,$04
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@ -917,13 +930,13 @@ L4CA1 := * + 1
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L4CA2 := * + 2
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jmp L4CBE
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stx $82
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L4CA3: stx $82
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ldy L5168
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lda #$00
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L4CAA: ldx $0601,y
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L4CAE := * + 1
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L4CAF := * + 2
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ora $42A1,x
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ora L42A1,x
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L4CB1 := * + 1
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sta $0602,y
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L4CB4 := * + 1
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@ -1496,27 +1509,27 @@ fail: rts
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;;; ==================================================
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SET_BOX_IMPL:
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lda $D0
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lda state_left
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sec
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sbc state_hoff
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sta $F7
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lda $D1
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lda state_left+1
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sbc state_hoff+1
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sta $F8
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lda $D2
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lda state_top
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sec
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sbc state_voff
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sta $F9
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lda $D3
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lda state_top+1
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sbc state_voff+1
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sta $FA
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rts
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L50A9: lda $DD
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L50A9: lda state_width+1
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cmp $93
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bmi L50B7
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bne L50B9
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lda $DC
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lda state_width
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cmp $92
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bcs L50B9
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L50B7: clc
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@ -1529,11 +1542,11 @@ L50B9: lda $97
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lda $96
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cmp state_hoff
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bcc L50B8
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L50C7: lda $DF
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L50C7: lda state_height+1
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cmp $95
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bmi L50B7
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bne L50D5
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lda $DE
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lda state_height
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cmp $94
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bcc L50B8
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L50D5: lda $99
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@ -1558,16 +1571,16 @@ L50E3: ldy #$00
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lda state_hoff+1
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sta $93
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iny
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L50FE: lda $DC
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L50FE: lda state_width
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sec
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sbc $96
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tax
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lda $DD
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lda state_width+1
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sbc $97
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bpl L5116
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lda $DC
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lda state_width
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sta $96
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lda $DD
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lda state_width+1
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sta $97
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tya
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ora #$04
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@ -1587,16 +1600,16 @@ L5116: lda $94
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sta $95
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iny
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iny
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L5130: lda $DE
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L5130: lda state_height
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sec
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sbc $98
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tax
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lda $DF
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lda state_height+1
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sbc $99
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bpl L5148
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lda $DE
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lda state_height
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sta $98
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lda $DF
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lda state_height+1
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sta $99
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tya
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ora #$08
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@ -1782,11 +1795,11 @@ L5250: tya
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tay
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lda L5293,y
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sta L4CAE
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lda L5294,y
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lda L5293+1,y
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sta L4CAF
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lda L5287,y
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lda L5285+2,y
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sta L4CB4
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lda L5288,y
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lda L5285+3,y
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sta L4CB5
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ldy $81
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sty L4CB1
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@ -1795,18 +1808,15 @@ L5250: tya
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ldx #$02
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L5276: lda L5285,x
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sta L4CA1
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lda L5286,x
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lda L5285+1,x
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sta L4CA2
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jmp L4CE7
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L5285: .byte $BE
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L5286: .byte $4C
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L5287: .byte $A3
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L5288: .byte $4C,$21,$42,$21,$43,$21,$44,$21,$45,$21,$46
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L5293: .byte $21
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L5294: .byte $47,$A1,$42,$A1,$43,$A1,$44,$A1
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.byte $45,$A1,$46,$A1
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.byte $47
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L5285: .addr L4CBE,L4CA3
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.addr L4221,L4321,L4421,L4521,L4621
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L5293: .addr L4721,L42A1,L43A1,L44A1,L45A1,L46A1,L47A1
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L52A1: stx $B0
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asl a
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@ -2373,7 +2383,7 @@ L56FE: lda ($B7),y
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inx
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cpx #$08
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bne L56FE
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jsr L5783
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jsr DRAW_LINE_ABS_IMPL_L5783
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lda $B9
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clc
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adc #$04
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@ -2392,7 +2402,7 @@ L5721: lda ($B7),y
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sta state_pos,y
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dey
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bpl L5721
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jsr L5783
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jsr DRAW_LINE_ABS_IMPL_L5783
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L572F: ldx #$01
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L5731: lda $B7,x
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sta $80,x
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@ -2406,16 +2416,19 @@ L5731: lda $B7,x
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;;; ==================================================
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;;; $0D IMPL
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;;; OFFSET_POS IMPL
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;;; 4 bytes of params, copied to $A1
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L5742:
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lda $A1
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ldx $A2
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jsr L5758
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lda $A3
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ldx $A4
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.proc OFFSET_POS_IMPL
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xdelta := $A1
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ydelta := $A3
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lda xdelta
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ldx xdelta+1
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jsr adjust_xpos
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lda ydelta
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ldx ydelta+1
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clc
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adc state_ypos
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sta state_ypos
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@ -2423,14 +2436,18 @@ L5742:
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adc state_ypos+1
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sta state_ypos+1
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rts
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.endproc
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L5758: clc
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;; Adjust state_xpos by (X,A)
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.proc adjust_xpos
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clc
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adc state_xpos
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sta state_xpos
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txa
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adc state_xpos+1
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sta state_xpos+1
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rts
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.endproc
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;;; ==================================================
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@ -2459,15 +2476,21 @@ loop: lda xdelta,x
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;;; 4 bytes of params, copied to $92
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DRAW_LINE_ABS_IMPL:
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ldx #$03
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L5778: lda state_pos,x
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.proc DRAW_LINE_ABS_IMPL
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params := $92
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xend := params + 0
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yend := params + 2
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ldx #3
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L5778: lda state_pos,x ; move pos to $96, assign params to pos
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sta $96,x
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lda $92,x
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sta state_pos,x
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dex
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bpl L5778
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L5783: lda $99
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L5783: lda $99 ; Called from elsewhere
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cmp $95
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bmi L57B0
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bne L57BF
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@ -2573,6 +2596,8 @@ L584A: .byte $00,$01,$01,$01,$00,$00,$06,$00
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L5852: .byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.endproc
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DRAW_LINE_ABS_IMPL_L5783 := DRAW_LINE_ABS_IMPL::L5783
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;;; ==================================================
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@ -2776,8 +2801,8 @@ L59A8: lda #$00
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sta LOWSCR
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L59B9: jsr L5EEA
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lda $A4
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ldx $A5
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jmp L5758
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ldx $A4+1
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jmp adjust_xpos
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L59C3: lda $98
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sec
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@ -2925,13 +2950,13 @@ L5AE7: jmp L5BD4
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L5AEA: tya
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asl a
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tay
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lda L5287,y
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lda L5285+2,y
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sta $40
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lda L5288,y
|
||||
lda L5285+3,y
|
||||
sta $41
|
||||
lda L5293,y
|
||||
sta $42
|
||||
lda L5294,y
|
||||
lda L5293+1,y
|
||||
sta $43
|
||||
L5B02 := * + 1
|
||||
L5B03 := * + 2
|
||||
@ -3596,11 +3621,11 @@ L60EE: tay
|
||||
tay
|
||||
lda L5293,y
|
||||
sta L6164
|
||||
lda L5294,y
|
||||
lda L5293+1,y
|
||||
sta L6165
|
||||
lda L5287,y
|
||||
lda L5285+2,y
|
||||
sta L616A
|
||||
lda L5288,y
|
||||
lda L5285+3,y
|
||||
sta L616B
|
||||
ldx #$03
|
||||
L6116: lda $82,x
|
||||
@ -4852,9 +4877,9 @@ L6A00: lda $BB
|
||||
L6A24: sta $B9
|
||||
stx $BA
|
||||
jsr L68A9
|
||||
lda #$0C
|
||||
ldx #$00
|
||||
jsr L5758
|
||||
lda #<12
|
||||
ldx #>12
|
||||
jsr adjust_xpos
|
||||
ldx $A7
|
||||
inx
|
||||
cpx $A8
|
||||
|
||||
Loading…
Reference in New Issue
Block a user