2019-07-10 17:37:59 +00:00
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;license:MIT
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2021-10-08 06:28:11 +00:00
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;(c) 2018-2021 by 4am & qkumba
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2019-07-10 17:37:59 +00:00
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;
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; credits page
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;
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; Public functions
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; - Credits
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2019-10-08 03:50:23 +00:00
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; - Help
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;
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2019-07-10 17:37:59 +00:00
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2019-10-14 02:22:47 +00:00
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;------------------------------------------------------------------------------
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; Credits
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; display credits page and wait
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;
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; in: none
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; out: C clear
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; all other flags and registers clobbered
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;------------------------------------------------------------------------------
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2019-07-10 17:37:59 +00:00
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Credits
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2019-09-10 02:38:17 +00:00
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jsr LoadFile ; load credits text into $8000
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!word kRootDirectory
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2019-09-21 22:04:38 +00:00
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!word kCreditsFile
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2019-09-10 02:38:17 +00:00
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!word $8000
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2020-04-02 21:58:13 +00:00
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-- jsr ForceHGRMode
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2019-07-10 17:37:59 +00:00
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jsr ClearOffscreen
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2020-11-09 20:22:38 +00:00
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ldx #0
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- lda OffscreenPage
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2019-07-10 17:37:59 +00:00
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ror ; draw on offscreen page
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+LDADDR $8000
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2020-11-09 20:22:38 +00:00
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jsr DrawPage ; draw credits
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2019-09-10 04:32:30 +00:00
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jsr ShowOtherPage ; show credits
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jsr WaitForKeyFor30Seconds; wait
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2020-03-24 20:30:14 +00:00
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bit CLEARKBD ; don't care about key
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2020-06-06 00:09:51 +00:00
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cmp #$81 ; Ctrl-A = about
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beq Credits
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2020-06-15 16:44:46 +00:00
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cmp #$90 ; Ctrl-P = launch joystick calibration program
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bne +
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jmp Joystick
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+ cmp #$83 ; Ctrl-C = toggle cheat mode
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2020-06-06 00:09:51 +00:00
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bne +
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jsr ToggleCheat
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+ sec ; if called from search mode, tell caller to refresh
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2019-07-10 17:37:59 +00:00
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rts
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2019-09-26 17:46:13 +00:00
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2019-10-14 02:22:47 +00:00
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;------------------------------------------------------------------------------
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; Help
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2020-04-02 21:58:13 +00:00
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; display per-game or global help page and wait
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2019-10-14 02:22:47 +00:00
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;
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; in: none
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2020-03-24 20:30:14 +00:00
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; out: see above
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2019-10-14 02:22:47 +00:00
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;------------------------------------------------------------------------------
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2019-09-26 17:46:13 +00:00
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Help
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2020-04-02 21:58:13 +00:00
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jsr GetGameToLaunch
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bcs @global
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2021-10-05 23:54:53 +00:00
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+ST16 SRC
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2020-04-02 21:58:13 +00:00
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jsr LoadFile
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2021-10-05 23:54:53 +00:00
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!word kRootDirectory
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!word kGameHelpFile
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!word $6000
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jsr $6000
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2020-04-02 21:58:13 +00:00
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clc
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bcc -- ; always branches
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@global jsr LoadFile ; load help text into $8000
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2019-12-20 15:25:30 +00:00
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!word kRootDirectory
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!word kHelpTextFile
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!word $8000
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2020-04-02 21:58:13 +00:00
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jsr LoadHelpOffscreen ; load fancy backdrop
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2020-06-15 16:44:46 +00:00
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ldx #7
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2020-03-24 20:30:14 +00:00
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bne - ; always branches
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2021-10-08 06:28:11 +00:00
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LoadFX
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+ST16 @filename
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inc $BF0E ; disable ROM mapping on return
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ldx #2
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ldy #0 ; SMC
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lda (zpword), y
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tay
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- iny
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lda (zpword), y
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sta @offset, x
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dex
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bpl -
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jsr $bf00 ; yes, ProDOS abstraction
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!byte $c8
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!word @c8_parms
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jsr $bf00
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!byte $ce
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!word @ce_parms
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jsr $bf00
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!byte $ca
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!word @ca_parms
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jsr $bf00
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!byte $cc
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!word @cc_parms
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dec $BF0E ; re-enable ROM mapping on return
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jmp SwitchToBank1
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@c8_parms
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!byte 3
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@filename
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!word $DFDF ; SMC
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!byte 0
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@ce_parms
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!byte $d0
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!byte 1
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@offset !byte 0, 0, 0 ; SMC
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!byte $ff
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@ca_parms
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!byte $ff
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@cc_parms
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!byte 1
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!word $6000
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!word $600
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