2019-11-03 16:23:53 +00:00
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; Autogenerates code for Type2 (escape)
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; First 9 (?) lines = text mode
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2019-11-07 16:44:05 +00:00
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;
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2019-11-03 16:23:53 +00:00
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2019-11-15 05:52:10 +00:00
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; 22 + 192*(2+(47*18)+38)+15 = 170,149
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; play every 15787 cycles = 10.7 times
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; every 18 times through loop
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2019-11-07 16:44:05 +00:00
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UPDATE2_START = $9800
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2019-11-03 16:23:53 +00:00
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;DEFAULT_COLOR = $0
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create_update_type2:
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2019-11-15 05:52:10 +00:00
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ldx #192 ; 2
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lda #<UPDATE2_START ; 2
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sta OUTL ; 3
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lda #>UPDATE2_START ; 2
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sta OUTH ; 3
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lda #<another_scanline ; 2
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sta INL ; 3
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lda #>another_scanline ; 2
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sta INH ; 3
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lda #18
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sta FORCE_MUSIC
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;=====
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; 22
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2019-11-03 16:23:53 +00:00
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create_update2_outer_loop:
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2019-11-15 05:52:10 +00:00
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ldy #0 ; 2
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2019-11-03 16:23:53 +00:00
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create_update2_inner_loop:
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2019-11-15 05:52:10 +00:00
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lda (INL),Y ; 5
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sta (OUTL),Y ; 6
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iny ; 2
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cpy #47 ; 2
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bne create_update2_inner_loop ; 3
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;===========
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; 18
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;-1
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2019-11-03 16:23:53 +00:00
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; toggle PAGE0/PAGE1
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2019-11-15 05:52:10 +00:00
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txa ; 2
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and #$1 ; ror? ; 2
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clc ; 2
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adc #$54 ; 2
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ldy #1 ; 2
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sta (OUTL),Y ; 6
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clc ; 2
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lda #47 ; 2
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adc OUTL ; 3
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sta OUTL ; 3
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lda OUTH ; 3
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adc #0 ; 2
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sta OUTH ; 3
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dec FORCE_MUSIC ; 5
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bne no_force_music2 ; 3
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lda #18
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sta FORCE_MUSIC
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txa
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pha
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jsr play_frame_compressed
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pla
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tax
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no_force_music2:
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dex ; 2
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bne create_update2_outer_loop ; 3
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;===========
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; 38
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; -1
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ldy #0 ; 2
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lda #$60 ; rts ; 2
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sta (OUTL),Y ; 6
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rts ; 6
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;=============
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; 15
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2019-11-03 16:23:53 +00:00
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2019-11-06 20:30:22 +00:00
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ESCAPE_START = 30
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2019-11-03 16:23:53 +00:00
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2019-11-06 19:59:26 +00:00
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2019-11-03 16:23:53 +00:00
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;===========================
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2019-11-15 05:52:10 +00:00
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;
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; 42+18+42+17+128*(7+(7*73)+5)+54+5 = 67,122
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; / 15,787 = 4.25
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; 128/4.25=30
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2019-11-06 19:59:26 +00:00
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setup_update_type2:
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; add call to TEXT
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2019-11-15 05:52:10 +00:00
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lda #$2c ; bit C051 ; 4 ; 2
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sta UPDATE2_START+3 ; $9003 ; 4
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lda #$51 ; 2
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sta UPDATE2_START+4 ; $9004 ; 4
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lda #$c0 ; 2
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sta UPDATE2_START+5 ; $9005 ; 4
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lda #$A5 ; lda ZERO ; 3 ; 2
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sta UPDATE2_START+6 ; $9006 ; 4
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lda #$FA ; 2
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sta UPDATE2_START+7 ; $9007 ; 4
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lda #$A2 ; ldx, 1 ; 3 ; 2
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sta UPDATE2_START+8 ; $9008 ; 4
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lda #$01 ; 2
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sta UPDATE2_START+9 ; $9009 ; 4
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;===========
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; 42
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2019-11-06 19:59:26 +00:00
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; set first 9 lines to PAGE0
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2019-11-15 05:52:10 +00:00
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lda #$54 ; 2
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sta UPDATE2_START+$30 ; $9030 ; 4
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sta UPDATE2_START+$8E ; $908E ; 4
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sta UPDATE2_START+$EC ; $90EC ; 4
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sta UPDATE2_START+$14A ; $914A ; 4
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;===========
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; 18
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2019-11-06 19:59:26 +00:00
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; add call to GRAPHICS
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; line 9 (91a7)
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2019-11-15 05:52:10 +00:00
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lda #$2c ; bit C051 ; 4 ; 2
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sta UPDATE2_START+$1aa ; $91aa ; 4
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lda #$50 ; 2
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sta UPDATE2_START+$1ab ; $91ab ; 4
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lda #$c0 ; 2
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sta UPDATE2_START+$1ac ; $91ac ; 4
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lda #$A5 ; lda ZERO ; 3 ; 2
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sta UPDATE2_START+$1ad ; $91ad ; 4
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lda #$FA ; 2
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sta UPDATE2_START+$1ae ; $91ae ; 4
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lda #$A2 ; ldx, 1 ; 3 ; 2
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sta UPDATE2_START+$1af ; $91af ; 4
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lda #$01 ; 2
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sta UPDATE2_START+$1b0 ; $91b0 ; 4
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;===========
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; 42
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2019-11-06 20:30:22 +00:00
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;====================
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;====================
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2019-11-03 16:23:53 +00:00
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2019-11-15 05:52:10 +00:00
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lda #4 ; which page ; 2
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sta RASTER_PAGE ; 3
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ldx #ESCAPE_START ; 2
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lda #<(UPDATE_START+(ESCAPE_START*47)) ; 2
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sta OUTL ; 3
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lda #>(UPDATE_START+(ESCAPE_START*47)) ; 2
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sta OUTH ; 3
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lda #30
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sta FORCE_MUSIC
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2019-11-03 16:23:53 +00:00
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2019-11-15 05:52:10 +00:00
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;===========
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; 17
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2019-11-06 20:30:22 +00:00
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setup_escape_outer_loop:
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2019-11-15 05:52:10 +00:00
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ldy #8 ; 2
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lda #0 ; 2
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sta RASTER_X ; 3
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;===========
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; 7
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2019-11-06 20:30:22 +00:00
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setup_escape_inner_loop:
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2019-11-15 05:52:10 +00:00
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txa ; 2
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pha ; 3
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inx ; 2
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txa ; start one earlier ; 2
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lsr ; 2
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lsr ; 2
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and #$fe ; 2
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tax ; 2
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clc ; 2
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lda gr_offsets,X ; 4+
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adc RASTER_X ; 3
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inc RASTER_X ; 5
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sta (OUTL),Y ; 6
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iny ; 2
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clc ; 2
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lda gr_offsets+1,X ; 4+
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adc RASTER_PAGE ; 3
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sta (OUTL),Y ; 6
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iny ; 2
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iny ; 2
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iny ; 2
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iny ; 2
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pla ; 4
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tax ; 2
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cpy #43 ; 2
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bne no_fixup ; 3
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;===========
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; 73
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; -1
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iny ; special case last one ; 2
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iny ; 2
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2019-11-06 20:52:47 +00:00
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no_fixup:
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2019-11-15 05:52:10 +00:00
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cpy #50 ; 2
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bne setup_escape_inner_loop ; 3
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;===========
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; 5
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2019-11-03 16:23:53 +00:00
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2019-11-15 05:52:10 +00:00
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;-1
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2019-11-06 20:52:47 +00:00
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; fix the one at the end
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2019-11-15 05:52:10 +00:00
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dey ; 2
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dey ; 2
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dey ; 2
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dey ; 2
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dey ; 2
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lda (OUTL),Y ; 5
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and #$f8 ; 2
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sta (OUTL),Y ; 5
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clc ; 2
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lda #47 ; 2
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adc OUTL ; 3
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sta OUTL ; 3
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lda OUTH ; 3
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adc #0 ; 2
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sta OUTH ; 3
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dec FORCE_MUSIC ; 5
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bne no_force_music3 ; 3
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lda #30
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sta FORCE_MUSIC
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txa
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pha
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jsr play_frame_compressed
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pla
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tax
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no_force_music3:
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lda RASTER_PAGE ; 3
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eor #$04 ; 2
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sta RASTER_PAGE ; 3
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inx ; 2
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cpx #(128+ESCAPE_START) ; 2
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bne setup_escape_outer_loop ; 3
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;===========
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; 54
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; -1
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rts ; 6
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2019-11-06 20:30:22 +00:00
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2019-11-03 16:23:53 +00:00
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another_scanline:
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.byte $2C,$54,$C0 ; bit PAGE0 ; 4
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.byte $A2,$01 ;smc018: ldx #$01 ; 2
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.byte $A9,$00 ; lda #$00 ; 2
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.byte $9D,$00,$02 ; sta $c00,X ; 5
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.byte $A9,$00 ; lda #$00 ; 2
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.byte $9D,$00,$02 ; sta $c00,X ; 5
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.byte $A9,$00 ; lda #$00 ; 2
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.byte $9D,$00,$02 ; sta $c00,X ; 5
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.byte $A9,$00 ; lda #$00 ; 2
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.byte $9D,$00,$02 ; sta $c00,X ; 5
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.byte $A9,$00 ; lda #$00 ; 2
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.byte $9D,$00,$02 ; sta $c00,X ; 5
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.byte $A9,$00 ; lda #$00 ; 2
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.byte $9D,$00,$02 ; sta $c00,X ; 5
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.byte $A9,$00 ; lda #$00 ; 2
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.byte $9D,$00,$02 ; sta $c00,X ; 5
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.byte $A2,$00 ; ldx #$00 ; 2
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2019-11-06 21:11:14 +00:00
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.byte $A5,$C5 ; lda ZERO ; 3
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2019-11-03 16:23:53 +00:00
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.byte $9D,$00,$02 ; sta $c00,X ; 5
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;========== ;===
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; 47??? ; 65
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