mirror of
https://github.com/blondie7575/WeeGUI.git
synced 2024-09-28 21:54:56 +00:00
58deae7241
- Fixed AppleSoft flag not getting set properly on buttons and checkboxes - Added macros for 16 and 32 bit function calls - Some code cleanup
176 lines
2.3 KiB
ArmAsm
176 lines
2.3 KiB
ArmAsm
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; macros.s
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; Generally useful macros for 6502 code
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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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; Macros
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.macro SETSWITCH name ; Sets the named softswitch (assumes write method)
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sta name
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.endmacro
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.macro SAVE_AXY ; Saves all registers
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pha
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txa
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pha
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tya
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pha
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.endmacro
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.macro RESTORE_AXY ; Restores all registers
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pla
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tay
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pla
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tax
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pla
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.endmacro
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.macro SAVE_AY ; Saves accumulator and Y index
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pha
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tya
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pha
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.endmacro
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.macro RESTORE_AY ; Restores accumulator and Y index
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pla
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tay
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pla
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.endmacro
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.macro SAVE_AX ; Saves accumulator and X index
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pha
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txa
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pha
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.endmacro
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.macro RESTORE_AX ; Restores accumulator and X index
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pla
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tax
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pla
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.endmacro
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.macro SAVE_ZPP ; Saves Zero Page locations we use for parameters
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lda PARAM0
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pha
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lda PARAM1
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pha
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lda PARAM2
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pha
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lda PARAM3
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pha
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.endmacro
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.macro RESTORE_ZPP ; Restores Zero Page locations we use for parameters
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pla
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sta PARAM3
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pla
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sta PARAM2
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pla
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sta PARAM1
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pla
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sta PARAM0
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.endmacro
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.macro SAVE_ZPS ; Saves Zero Page locations we use for scratch
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lda SCRATCH0
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pha
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lda SCRATCH1
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pha
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.endmacro
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.macro RESTORE_ZPS ; Restores Zero Page locations we use for scratch
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pla
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sta SCRATCH1
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pla
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sta SCRATCH0
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.endmacro
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.macro PARAM16 addr
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lda #<addr
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sta PARAM0
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lda #>addr
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sta PARAM1
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.endmacro
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.macro CALL16 func,addr
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PARAM16 addr
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jsr func
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.endmacro
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.macro PARAMQUAD p0,p1,p2,p3
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lda #p0
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sta PARAM0
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lda #p1
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sta PARAM1
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lda #p2
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sta PARAM2
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lda #p3
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sta PARAM3
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.endmacro
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.macro CALLQUAD func,p0,p1,p2,p3
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PARAMQUAD p0,p1,p2,p3
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jsr func
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.endmacro
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Rendering macros
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;
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.macro LDY_ACTIVEVIEW
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lda WG_ACTIVEVIEW ; Find our new view record
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asl
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asl
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asl
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asl ; Records are 16 bytes wide
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tay
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.endmacro
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.macro LDX_ACTIVEVIEW
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lda WG_ACTIVEVIEW ; Find our new view record
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asl
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asl
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asl
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asl ; Records are 16 bytes wide
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tax
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.endmacro
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.macro LDY_FOCUSVIEW
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lda WG_FOCUSVIEW ; Find our new view record
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asl
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asl
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asl
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asl ; Records are 16 bytes wide
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tay
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.endmacro
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.macro VBL_SYNC ; Synchronize with vertical blanking
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lda #$80
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macroWaitVBLToFinish:
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bit RDVBLBAR
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bmi macroWaitVBLToFinish
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macroWaitVBLToStart:
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bit RDVBLBAR
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bpl macroWaitVBLToStart
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.endmacro
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