WeeGUI/gui.s
2014-10-02 14:59:13 -07:00

122 lines
1.7 KiB
ArmAsm

;
; gui.s
; Top level management routines
;
; Created by Quinn Dunki on 8/15/14.
; Copyright (c) 2014 One Girl, One Laptop Productions. All rights reserved.
;
.org $4000
; Common definitions
.include "zeropage.s"
.include "switches.s"
.include "macros.s"
; Main
main:
jsr WGInit
jsr WG80
rts
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; WGInit
; Initialization. Should be called once at app startup
WGInit:
SAVE_AXY
jsr WGInitApplesoft
ldy #15 ; Clear our block allocators
WGInit_clearMemLoop:
tya
asl
asl
asl
asl
tax
lda #0
sta WG_STRINGS,x
dey
bpl WGInit_clearMemLoop
lda #$ff
sta WG_PENDINGACTIONVIEW
sta WG_FOCUSVIEW
RESTORE_AXY
rts
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; WG80
; Enables 80 column mode (and enhanced video firmware)
WG80:
pha
; lda #3
; jsr $fe95
lda #$a0
jsr $c300
SETSWITCH TEXTON
SETSWITCH PAGE2OFF
SETSWITCH COL80ON
SETSWITCH STORE80ON
pla
rts
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; waitForKey
; Spinlocks until a key is pressed
waitForKey:
lda KBDSTRB
bpl waitForKey
rts
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; read80ColSwitch
; Returns value of the 80 col switch on //c and //c+ machines
; OUT A: Switch state (non-zero=80 cols)
; NOTE: Untested
read80ColSwitch:
lda $c060
bpl read80ColSwitch_40
lda #$1
rts
read80ColSwitch_40:
lda #$0
rts
; Code modules
.include "utility.s"
.include "painting.s"
.include "rects.s"
.include "views.s"
.include "mouse.s"
.include "applesoft.s"
;.include "unit_test.s"
.include "memory.s"
; Suppress some linker warnings - Must be the last thing in the file
.SEGMENT "ZPSAVE"
.SEGMENT "EXEHDR"
.SEGMENT "STARTUP"
.SEGMENT "INIT"
.SEGMENT "LOWCODE"