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https://github.com/a2-4am/4cade.git
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initial instructions in input buffer, add play label once game is selected
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4am
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@ -4,16 +4,18 @@ CIRCUITOUS font information
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- $80 characters only (high bit is always 0)
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- $20 and above are standard ASCII
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- $00..$1F are various shapes and characters in no standard order
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- Capital letters are full-width, which makes all-caps drawing look bad, so
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don't do that
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Font routines are near the top of LC RAM, accessible to either bank. However,
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font data is stored in LC RAM bank 2, because that's where we have space.
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Note that most strings are in LC RAM bank 1, which is admittedly inconvenient.
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You are responsible for copying characters to a place where the drawing routine
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can access them. (See src/ui.font.a) The drawing routines will switch to LC 2
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to access font data, then back to LC 1 before returning.
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font data is stored in LC RAM bank 2, because that's where we have space. Note
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that most strings are in LC RAM bank 1, which is admittedly inconvenient. You
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are responsible for copying characters to a place where the drawing routine can
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access them. (See src/ui.font.a) The drawing routines will switch to LC 2 to
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access font data, then back to LC 1 before returning.
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Font data is stored non-consecutively. Row 0 data starts at $D600, in order,
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so row 0 of character $00 is at $D600, row 0 of character $01 is at $D601, &c.
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Font data is stored non-consecutively. Row 0 data starts at $D600, in order, so
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row 0 of character $00 is at $D600, row 0 of character $01 is at $D601, &c.
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Row 1 starts at $D680; row 2 starts at $D700. The entire font set finishes at
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$D9FF.
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@ -31,15 +33,15 @@ $09 rounded bottom-right quadrant circuit path
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$0A
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$0B right arrow
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$0C
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$0D
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$0D carriage return symbol
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$0E
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$0F times
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$0F
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$10 dot, small
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$11 dot, medium
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$12 dot, large
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$13 dot, extra large
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$14
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$15
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$15 times
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$16
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$17
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$18
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@ -24,7 +24,7 @@ tmp = $F8 ; byte
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gamelength= $F9 ; byte
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firstletter= $FA ; byte
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MaxInputLength = 24
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MaxInputLength = 26
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InputLength
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!byte 0
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InputBuffer
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@ -152,6 +152,11 @@ BrowseMode
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sta UILine2,y
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cpy #MaxInputLength+1
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bcc -
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ldx #8
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- lda ReturnToPlay,x ; replace games count with 'to play' label
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sta UI_ToPlay,x
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dex
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bpl -
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ldx #40
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lda #0
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- sta UILine1-1,x ; reset UI line 1
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@ -38,15 +38,23 @@ UILine1
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!byte 0,0,0,0,0,0,0,0,0,0
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!byte 0,0,0,0,0,0,0,0,0,0
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!byte 0,0,0,0,0,0,0,0,0,0
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UILine2
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!text "["
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!byte $7F
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!text " "
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!text "] "
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!byte 0,0,0,0,0,0,0,0,0,0
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!byte 0,0,0,0,0,0,0,0,0,0
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!byte 0,0,0,0,0,0,0,0,0,0
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!byte 0
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UI_ToPlay
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!byte 0,0,0,0,0,0,0,0,0
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Instructions
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!text "[Type to search, "
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!byte $0B
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!text " to browse] "
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VisibleGameCount
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!text "000"
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!text " games"
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!text "000 games"
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ReturnToPlay
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!byte $0D
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!text " to play"
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GetOffscreenAddress
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; in: none
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@ -16,6 +16,12 @@ FontDataRow0
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!byte $80
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!byte $9C
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!byte $9C
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!byte $00
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!byte $80
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!byte $00
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!byte $E0
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!byte $00
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!byte $00
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!byte $80
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!byte $80
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!byte $80
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@ -27,12 +33,6 @@ FontDataRow0
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $EC
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!byte $B0
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!byte $B0
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@ -145,6 +145,12 @@ FontDataRow1
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!byte $80
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!byte $BC
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!byte $9E
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!byte $00
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!byte $98
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!byte $00
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!byte $E0
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!byte $00
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!byte $00
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!byte $80
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!byte $80
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!byte $80
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@ -156,12 +162,6 @@ FontDataRow1
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $80
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!byte $98
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!byte $98
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@ -274,6 +274,12 @@ FontDataRow2
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!byte $87
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!byte $FC
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!byte $9F
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!byte $00
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!byte $B0
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!byte $00
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!byte $EC
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!byte $00
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!byte $00
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!byte $80
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!byte $88
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!byte $9C
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@ -285,12 +291,6 @@ FontDataRow2
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $FC
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!byte $BC
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!byte $80
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@ -403,6 +403,12 @@ FontDataRow3
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!byte $8F
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!byte $F8
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!byte $8F
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!byte $00
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!byte $FF
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!byte $00
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!byte $E6
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!byte $00
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!byte $00
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!byte $88
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!byte $9C
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!byte $BE
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@ -414,12 +420,6 @@ FontDataRow3
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $E6
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!byte $E6
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!byte $9C
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@ -532,6 +532,12 @@ FontDataRow4
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!byte $9F
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!byte $F0
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!byte $87
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!byte $00
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!byte $FF
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!byte $00
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!byte $FF
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!byte $00
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!byte $00
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!byte $80
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!byte $9C
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!byte $BE
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@ -543,12 +549,6 @@ FontDataRow4
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $E6
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!byte $B6
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!byte $98
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@ -661,6 +661,12 @@ FontDataRow5
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!byte $9E
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!byte $80
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!byte $80
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!byte $00
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!byte $B0
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!byte $00
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!byte $BF
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!byte $00
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!byte $00
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!byte $80
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!byte $88
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!byte $9C
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@ -672,12 +678,6 @@ FontDataRow5
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $EE
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!byte $9E
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!byte $B8
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@ -790,6 +790,12 @@ FontDataRow6
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!byte $9C
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!byte $80
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!byte $80
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!byte $00
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!byte $98
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!byte $00
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!byte $86
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!byte $00
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!byte $00
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!byte $80
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!byte $80
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!byte $80
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@ -801,12 +807,6 @@ FontDataRow6
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $EC
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!byte $FC
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!byte $B8
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@ -919,6 +919,12 @@ FontDataRow7
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!byte $9C
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!byte $80
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!byte $80
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!byte $00
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!byte $80
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!byte $00
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!byte $8C
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!byte $00
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!byte $00
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!byte $80
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!byte $80
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!byte $80
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@ -930,12 +936,6 @@ FontDataRow7
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $00
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!byte $80
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!byte $80
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!byte $80
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@ -38,9 +38,7 @@ SearchMode
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; we want to switch to Browse Mode with the keyboard still hot so
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; that mode finds and dispatches the arrow key.
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cmp #$88 ; left arrow switches to browse mode
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beq @arrow
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cmp #$8B ; also right arrow
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cmp #$8B ; right arrow switches to browse mode
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beq @arrow
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cmp #$95 ; also up arrow
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beq @arrow
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@ -64,9 +62,13 @@ SearchMode
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+
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cmp #$FF ; delete key
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bne +
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ldx #kInputBack
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- ldx #kInputBack
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bne @InputDispatch ; always branches
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+
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cmp #$88 ; left arrow = delete (may as well, since
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; popular emulators remap this anyway)
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beq -
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cmp #$89 ; TAB switches to mini attract mode
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bne + ; if there is a game selected
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ldx #kInputTab
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@ -153,18 +155,13 @@ SearchMode
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; no input, reset params and UI
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lda #$FF
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sta SelectedIndex ; no game selected
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ldx #40 ; reset visible line
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lda #0
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- sta UILine1-1,x
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ldx #39 ; reset visible line
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- lda #0
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sta UILine1,x
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lda Instructions,x
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sta UILine2,x
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dex
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bne -
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ldy #MaxInputLength ; clear visible search bar
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lda #" "
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- sta UILine2+1,y
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dey
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bne -
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lda #$7F
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sta UILine2+1
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bpl -
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jsr LoadTitleOffscreen
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jsr DrawSearchBarOffscreen
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jsr ShowOtherPage
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@ -233,6 +230,11 @@ SearchMode
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sta UILine2,y
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cpy #MaxInputLength+1
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bcc -
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ldx #8
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- lda ReturnToPlay,x ; replace games count with 'to play' label
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sta UI_ToPlay,x
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dex
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bpl -
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ldx #40
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lda #0
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- sta UILine1-1,x ; reset search bar
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@ -245,7 +247,7 @@ SearchMode
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+LOW_ASCII_TO_LOWER
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cmp InputBuffer,x
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bne +
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lda #$0B ; add dots to highlight matched characters
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lda #$11 ; add dots to highlight matched characters
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sta UILine1,y
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inx
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cpx InputLength ; if input buffer is exhausted, we're done
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