mirror of
https://github.com/blondie7575/WeeGUI.git
synced 2024-06-26 18:29:47 +00:00
38da3a2c8e
- Eliminated WGInverse and WGNormal API calls - Added the basic dispatcher for ML API - Trimmed some unneeded code - Prototyped assembly language API file - Another pass on reducing code size - X register now reserved for dispatcher - API calls using X register as a parameter converted to Y register - Added WGSetGlobalCursor - Some code cleanup
115 lines
1.9 KiB
ArmAsm
115 lines
1.9 KiB
ArmAsm
;
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; gui.s
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; Top level management routines
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;
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; Created by Quinn Dunki on 8/15/14.
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; Copyright (c) 2014 One Girl, One Laptop Productions. All rights reserved.
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;
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.org $4000
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; Common definitions
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.include "zeropage.s"
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.include "switches.s"
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.include "macros.s"
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Main entry point. BRUN will land here.
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main:
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jsr WGInit
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rts ; Don't add any bytes here!
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; This is the non-negotiable entry point used by applications Don't move it!
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; $4004
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; WGDispatch
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; The dispatcher for calling the assembly-language API from assembly programs
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; X: API call number
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; P0-3,Y: Parameters to call, as needed
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WGDispatch:
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jmp (WGEntryPointTable,x)
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; Entry point jump table
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WGEntryPointTable:
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.addr WGClearScreen
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.addr WGDesktop
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.addr WGPlot
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.addr WGSetCursor
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.addr WGSetGlobalCursor
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; WGInit
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; Initialization. Should be called once at app startup
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WGInit:
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SAVE_AXY
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jsr WG80
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jsr WGInitApplesoft
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ldy #15 ; Clear our block allocators
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WGInit_clearMemLoop:
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tya
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asl
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asl
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asl
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asl
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tax
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lda #0
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sta WG_STRINGS,x
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dey
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bpl WGInit_clearMemLoop
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lda #$ff
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sta WG_PENDINGACTIONVIEW
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sta WG_FOCUSVIEW
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RESTORE_AXY
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rts
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; WG80
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; Enables 80 column mode (and enhanced video firmware)
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WG80:
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pha
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lda #$a0
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jsr $c300
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SETSWITCH TEXTON
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SETSWITCH PAGE2OFF
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SETSWITCH COL80ON
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SETSWITCH STORE80ON
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pla
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rts
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; Code modules
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.include "utility.s"
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.include "painting.s"
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.include "rects.s"
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.include "views.s"
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.include "mouse.s"
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.include "applesoft.s"
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;.include "unit_test.s"
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.include "memory.s"
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; Suppress some linker warnings - Must be the last thing in the file
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.SEGMENT "ZPSAVE"
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.SEGMENT "EXEHDR"
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.SEGMENT "STARTUP"
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.SEGMENT "INIT"
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.SEGMENT "LOWCODE"
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