mirror of
https://github.com/mi57730/a2d.git
synced 2024-07-16 05:28:59 +00:00
1364 lines
33 KiB
ArmAsm
1364 lines
33 KiB
ArmAsm
.setcpu "65C02"
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.org $800
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.include "prodos.inc"
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.include "auxmem.inc"
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.include "a2d.inc"
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zp_code_stash := $0020 ; Scratch space used for "call 1000 main" trampoline
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start: jmp copy2aux
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save_stack:.byte 0
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;;; Copy $800 through $13FF (the DA) to aux
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.proc copy2aux
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tsx
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stx save_stack
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sta RAMWRTON
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ldy #0
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src: lda start,y ; self-modified
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dst: sta start,y ; self-modified
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dey
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bne src
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sta RAMWRTOFF
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inc src+2
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inc dst+2
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sta RAMWRTON
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lda dst+2
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cmp #$14
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bne src
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.endproc
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;;; Copy the following "call_1000_main" routine to $20
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.scope
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sta RAMWRTON
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sta RAMRDON
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ldx #(call_1000_main_end - call_1000_main)
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loop: lda call_1000_main,x
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sta zp_code_stash,x
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dex
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bpl loop
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jmp call_init
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.endscope
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.proc call_1000_main
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sta RAMRDOFF
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sta RAMWRTOFF
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jsr L1000
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sta RAMRDON
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sta RAMWRTON
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rts
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.endproc
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call_1000_main_end:
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.proc call_init
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;; run the DA
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jsr init
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;; tear down/exit
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sta ALTZPON
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lda LCBANK1
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lda LCBANK1
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sta RAMRDOFF
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sta RAMWRTOFF
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ldx save_stack
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txs
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rts
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.endproc
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;;; ==================================================
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;;; ProDOS MLI calls
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.proc open_file
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jsr copy_params_aux_to_main
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sta ALTZPOFF
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MLI_CALL OPEN, open_params
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sta ALTZPON
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jsr copy_params_main_to_aux
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rts
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.endproc
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.proc read_file
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jsr copy_params_aux_to_main
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sta ALTZPOFF
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MLI_CALL READ, read_params
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sta ALTZPON
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jsr copy_params_main_to_aux
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rts
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.endproc
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.proc get_file_eof
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jsr copy_params_aux_to_main
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sta ALTZPOFF
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MLI_CALL GET_EOF, get_eof_params
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sta ALTZPON
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jsr copy_params_main_to_aux
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rts
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.endproc
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.proc set_file_mark
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jsr copy_params_aux_to_main
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sta ALTZPOFF
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MLI_CALL SET_MARK, set_mark_params
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sta ALTZPON
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jsr copy_params_main_to_aux
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rts
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.endproc
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.proc close_file
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jsr copy_params_aux_to_main
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sta ALTZPOFF
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MLI_CALL CLOSE, close_params
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sta ALTZPON
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jsr copy_params_main_to_aux
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rts
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.endproc
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;;; ==================================================
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;;; Copies param blocks from Aux to Main
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.proc copy_params_aux_to_main
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ldy #(params_end - params_start + 1)
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sta RAMWRTOFF
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loop: lda params_start - 1,y
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sta params_start - 1,y
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dey
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bne loop
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sta RAMRDOFF
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rts
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.endproc
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;;; Copies param blocks from Main to Aux
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.proc copy_params_main_to_aux
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pha
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php
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sta RAMWRTON
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ldy #(params_end - params_start + 1)
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loop: lda params_start - 1,y
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sta params_start - 1,y
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dey
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bne loop
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sta RAMRDON
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plp
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pla
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rts
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.endproc
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;;; ----------------------------------------
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params_start:
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;;; This block gets copied between main/aux
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;;; ProDOS MLI param blocks
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.proc open_params
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.byte 3 ; param_count
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.addr pathname ; pathname
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.addr $0C00 ; io_buffer
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ref_num:.byte 0 ; ref_num
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.endproc
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default_buffer := $1200
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.proc read_params
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.byte 4 ; param_count
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ref_num:.byte 0 ; ref_num
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buffer: .addr default_buffer ; data_buffer
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.word $100 ; request_count
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.word 0 ; trans_count
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.endproc
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.proc get_eof_params
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.byte 2 ; param_count
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ref_num:.byte 0 ; ref_num
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.byte 0,0,0 ; EOF (lo, mid, hi)
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.endproc
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.proc set_mark_params
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.byte 2 ; param_count
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ref_num:.byte 0 ; ref_num
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.byte 0,0,0 ; position (lo, mid, hi)
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.endproc
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.proc close_params
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.byte 1 ; param_count
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ref_num:.byte 0 ; ref_num
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.endproc
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.proc pathname ; 1st byte is length, rest is full path
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length: .byte $00
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data: .byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.endproc
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L0945: .byte $00
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L0946: .byte $00
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L0947: .byte $00
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L0948: .byte $00
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L0949: .byte $00
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L094A: .byte $00,$00,$00,$00
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params_end:
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;;; ----------------------------------------
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.byte $00,$00,$00,$00
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L0952: .byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
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L095A: .byte $00
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L095B: .byte $FA
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L095C: .byte $01
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.proc line_pos
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left: .word 0
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base: .word 0
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.endproc
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window_width: .word 0
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window_height: .word 0
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L0965: .byte $00
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L0966: .byte $00,$00
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L0968: .byte $00
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L0969: .byte $00
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L096A: .byte $00
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L096B: .byte $00
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L096C: .byte $00
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L096D: .byte $00
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track_scroll_delta:
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.byte $00
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fixed_mode_flag:
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.byte $00 ; 0 = proportional, otherwise = fixed
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button_state:
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.byte $00
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.proc mouse_data ; queried by main input loop
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xcoord: .word 0
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ycoord: .word 0
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elem: .byte 0
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win: .byte 0
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.endproc
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;; param block used in dead code (resize button handler?)
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L0977: .byte $64 ; ??? window id again?
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xcoord1:.word 0 ; ???
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ycoord1:.word 0 ; ???
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.byte 0 ; ???
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.proc close_btn ; queried after close clicked to see if aborted/finished
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state: .byte 0 ; 0 = aborted, 1 = clicked
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.byte 0,0
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.endproc
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.proc query_client_params ; queried after a client click to identify target
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xcoord: .word 0
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ycoord: .word 0
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part: .byte 0 ; 0 = client, 1 = scroll bar, 2 = ?????
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scroll: .byte 0 ; 1 = up, 2 = down, 3 = above, 4 = below, 5 = thumb
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.endproc
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;; param block used in dead code (resize?)
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L0986: .byte $00
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L0987: .byte $00
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.proc update_scroll_params ; called to update scroll bar position
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type: .byte $00 ; 1 = vertical, 2 = horizontal ?
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pos: .byte $00 ; new position (0...250)
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.endproc
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;;; Used when dragging vscroll thumb
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.proc thumb_drag_params
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type: .byte 0 ; vscroll = 1, hscroll = 2 ??
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xcoord: .word 0
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ycoord: .word 0
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pos: .byte 0 ; position (0...255)
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moved: .byte 0 ; 0 if not moved, 1 if moved
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.endproc
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.proc text_string
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addr: .addr 0 ; address
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len: .byte 0 ; length
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.endproc
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window_id := $64
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.proc window_params
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id: .byte window_id ; window identifier
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flags: .byte 2 ; window flags (2=include close box)
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title: .addr $1000
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L0998: .byte $00,$C1 ; ???
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L099A: .byte $20 ; hscroll?
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L099B: .byte $00,$FF ; more hscroll?
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vscroll_pos:
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.byte 0
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;; unreferenced
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.byte $00,$00,$C8,$00,$33,$00,$00 ; ???
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.byte $02,$96,$00 ; ???
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.endproc
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.proc text_box ; or whole window ??
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left: .word 10
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top: .word 28
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.word $2000 ; ??? never changed
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.word $80 ; ??? never changed
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unk1: .word 0 ; ???
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unk2: .word 0 ; ???
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width: .word $200
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height: .word $96
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.endproc
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;; unused?
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.byte $00,$00,$00,$00,$00,$00,$00
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.byte $00,$FF,$00,$00,$00,$00,$00,$01
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.byte $01,$00,$7F,$00,$88,$00,$00
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;; gets copied over text_box after mode is drawn
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.proc default_box
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left: .word 10
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top: .word 28
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.word $2000
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.word $80
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unk1: .word 0
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unk2: .word 0
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width: .word $200
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height: .word $96
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.endproc
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.proc init
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L09DE: sta ALTZPON
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lda LCBANK1
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lda LCBANK1
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lda #0
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sta pathname::length
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lda $DF21 ; ???
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beq abort ; some file properties?
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lda $DF20 ; ???
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bne continue
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abort: rts
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continue:
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path := $DFB3
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src := $06
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dst := $08
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asl a
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tax
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lda path,x ; pointer to pathname?
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sta src
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lda path+1,x
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sta src+1
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ldy #0
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lda (src),y
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tax
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inc src
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bne :+
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inc src+1
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: lda #<(pathname::data)
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sta dst
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lda #>(pathname::data)
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sta dst+1
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jsr copy_pathname
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lda #'/'
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ldy #0
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sta (dst),y
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inc pathname::length
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inc dst
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bne :+
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inc dst+1
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: lda $DF22
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asl a
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tax
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lda $DD9F,x
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sta src
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lda $DDA0,x
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sta src+1
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ldy #$02
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lda (src),y
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and #$70
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bne :+
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rts ; abort ???
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: clc
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lda src
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adc #$09
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sta window_params::title
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lda src+1
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adc #$00
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sta window_params::title+1
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ldy #$09
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lda ($06),y
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tax
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dex
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dex
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clc
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lda src
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adc #$0B
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sta src
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bcc L0A61
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inc src+1
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L0A61: jsr copy_pathname
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lda #$1E
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sta $27
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lda #$40
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sta $28
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jsr zp_code_stash
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jmp open_file_and_init_window
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.proc copy_pathname ; copy x bytes from src to dst
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ldy #0 ; incrementing path length and dst
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loop: lda (src),y
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sta (dst),y
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iny
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inc pathname::length
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dex
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bne loop
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tya
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clc
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adc dst
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sta dst
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bcc end
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inc dst+1
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end: rts
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.endproc
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.endproc
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.proc open_file_and_init_window
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lda #0
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sta fixed_mode_flag
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;; copy bytes (length at $8801) from $8802 to $10FF ???
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ldx $8801
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sta RAMWRTOFF
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loop: lda $8802,x
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sta L10FF,x
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dex
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bne loop
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sta RAMWRTON
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;; open file, get length
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jsr open_file
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lda open_params::ref_num
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sta read_params::ref_num
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sta set_mark_params::ref_num
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sta get_eof_params::ref_num
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sta close_params::ref_num
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jsr get_file_eof
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;; create window
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A2D_CALL A2D_CREATE_WINDOW, window_params
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A2D_CALL $04, text_box
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jsr L1088
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jsr calc_and_draw_mode
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jsr draw_content
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A2D_CALL $2B, 0
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.endproc
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input_loop:
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A2D_CALL A2D_GET_BUTTON, button_state
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lda button_state
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cmp #1 ; was clicked?
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bne input_loop ; nope, keep waiting
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A2D_CALL A2D_GET_MOUSE, mouse_data
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lda mouse_data::win ; in our window?
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cmp #window_id
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bne input_loop
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;; which part of the window?
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lda mouse_data::elem
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cmp #A2D_ELEM_CLOSE
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beq on_close_btn_down
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ldx mouse_data::xcoord ; stash mouse location
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stx xcoord1
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stx query_client_params::xcoord
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ldx mouse_data::xcoord+1
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stx xcoord1+1
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stx query_client_params::xcoord+1
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ldx mouse_data::ycoord
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stx ycoord1
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stx query_client_params::ycoord
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cmp #A2D_ELEM_TITLE
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beq title
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cmp #A2D_ELEM_RESIZE
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beq input_loop
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jsr on_client_click
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jmp input_loop
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title: jsr on_title_bar_click
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jmp input_loop
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.proc on_close_btn_down
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A2D_CALL A2D_BTN_CLICK, close_btn ; wait to see if the click completes
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lda close_btn::state ; did click complete?
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beq input_loop ; nope
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jsr close_file
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A2D_CALL A2D_DESTROY_WINDOW, window_params
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jsr UNKNOWN_CALL ; hides the cursor?
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.byte $0C
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.addr 0
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rts ; exits input loop
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.endproc
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;;; How would control get here???? Dead code???
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.proc maybe_dead_code ; window move routine, maybe?
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A2D_CALL $45, L0977 ; run resize loop?
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jsr L10FD
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jsr L1088
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max_width := 512
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lda #>max_width
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cmp text_box::width+1
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bne skip
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lda #<max_width
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cmp text_box::width
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skip: bcs wider
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lda #<max_width
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sta text_box::width
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lda #>max_width
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sta text_box::width+1
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sec
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lda text_box::width
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sbc window_width
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sta text_box::unk1
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lda text_box::width+1
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sbc window_width+1
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sta text_box::unk1+1
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wider: lda window_params::L0998
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ldx window_width
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cpx #<max_width
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bne L0B89
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ldx window_width+1
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cpx #>max_width
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bne L0B89
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and #$FE
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jmp L0B8B
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L0B89: ora #$01
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L0B8B: sta window_params::L0998
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sec
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lda #<max_width
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sbc window_width
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sta $06
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lda #>max_width
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sbc window_width+1
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sta $07
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jsr L10DF
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sta L0987
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lda #$02
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sta L0986
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A2D_CALL $49, L0986 ; change to clamped size ???
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jsr calc_and_draw_mode
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jmp L0DF9
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.endproc
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;;; Non-title (client) area clicked
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.proc on_client_click
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A2D_CALL A2D_QUERY_CLIENT, query_client_params
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lda query_client_params::part
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cmp #A2D_VSCROLL
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beq on_vscroll_click
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cmp #A2D_HSCROLL
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bne end
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jmp on_hscroll_click
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end: rts
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.endproc
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.proc on_vscroll_click
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L0BC9: lda #A2D_VSCROLL
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sta thumb_drag_params::type
|
|
sta update_scroll_params::type
|
|
lda query_client_params::scroll
|
|
cmp #A2D_SCROLL_PART_THUMB
|
|
beq on_vscroll_thumb_click
|
|
cmp #A2D_SCROLL_PART_BELOW
|
|
beq on_vscroll_below_click
|
|
cmp #A2D_SCROLL_PART_ABOVE
|
|
beq on_vscroll_above_click
|
|
cmp #A2D_SCROLL_PART_UP
|
|
beq on_vscroll_up_click
|
|
cmp #A2D_SCROLL_PART_DOWN
|
|
bne end
|
|
jmp on_vscroll_down_click
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_thumb_click
|
|
jsr do_thumb_drag
|
|
lda thumb_drag_params::moved
|
|
beq end
|
|
lda thumb_drag_params::pos
|
|
sta update_scroll_params::pos
|
|
jsr L0D7C
|
|
jsr update_vscroll
|
|
jsr draw_content
|
|
lda L0947
|
|
beq end
|
|
lda L0949
|
|
bne end
|
|
jsr L0E1D
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_above_click
|
|
loop: lda window_params::vscroll_pos
|
|
beq end
|
|
jsr calc_track_scroll_delta
|
|
sec
|
|
lda window_params::vscroll_pos
|
|
sbc track_scroll_delta
|
|
bcs store
|
|
lda #$00 ; underflow
|
|
store: sta update_scroll_params::pos
|
|
jsr update_scroll_pos
|
|
bcc loop ; repeat while button down
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_up_click
|
|
loop : lda window_params::vscroll_pos
|
|
beq end
|
|
sec
|
|
sbc #1
|
|
sta update_scroll_params::pos
|
|
jsr update_scroll_pos
|
|
bcc loop ; repeat while button down
|
|
end: rts
|
|
.endproc
|
|
|
|
vscroll_max := $FA
|
|
|
|
.proc on_vscroll_below_click
|
|
loop: lda window_params::vscroll_pos
|
|
cmp #vscroll_max ; pos == max ?
|
|
beq end
|
|
jsr calc_track_scroll_delta
|
|
clc
|
|
lda window_params::vscroll_pos
|
|
adc track_scroll_delta ; pos + delta
|
|
bcs overflow
|
|
cmp #vscroll_max+1 ; > max ?
|
|
bcc store ; nope, it's good
|
|
overflow:
|
|
lda #vscroll_max ; set to max
|
|
store: sta update_scroll_params::pos
|
|
jsr update_scroll_pos
|
|
bcc loop ; repeat while button down
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_down_click
|
|
loop: lda window_params::vscroll_pos
|
|
cmp #vscroll_max
|
|
beq end
|
|
clc
|
|
adc #1
|
|
sta update_scroll_params::pos
|
|
jsr update_scroll_pos
|
|
bcc loop ; repeat while button down
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc update_scroll_pos ; Returns with carry set if mouse released
|
|
jsr L0D7C
|
|
jsr update_vscroll
|
|
jsr draw_content
|
|
jsr was_button_released
|
|
clc
|
|
bne end
|
|
sec
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc calc_track_scroll_delta
|
|
lda window_height ; ceil(??? / 50)
|
|
ldx #0
|
|
loop: inx
|
|
sec
|
|
sbc #50
|
|
cmp #50
|
|
bcs loop
|
|
stx track_scroll_delta
|
|
rts
|
|
.endproc
|
|
|
|
;;; Unused in STF DA, so most of this is speculation
|
|
.proc on_hscroll_click
|
|
lda #A2D_HSCROLL
|
|
sta thumb_drag_params::type
|
|
sta update_scroll_params::type
|
|
lda query_client_params::scroll
|
|
cmp #A2D_SCROLL_PART_THUMB
|
|
beq on_hscroll_thumb_click
|
|
cmp #A2D_SCROLL_PART_AFTER
|
|
beq on_hscroll_after_click
|
|
cmp #A2D_SCROLL_PART_BEFORE
|
|
beq on_hscroll_before_click
|
|
cmp #A2D_SCROLL_PART_LEFT
|
|
beq on_hscroll_left_click
|
|
cmp #A2D_SCROLL_PART_RIGHT
|
|
beq on_hscroll_right_click
|
|
rts
|
|
.endproc
|
|
|
|
.proc on_hscroll_thumb_click
|
|
jsr do_thumb_drag
|
|
lda thumb_drag_params::moved
|
|
beq end
|
|
lda thumb_drag_params::pos
|
|
jsr L10EC
|
|
lda $06
|
|
sta text_box::unk1
|
|
lda $07
|
|
sta text_box::unk1+1
|
|
clc
|
|
lda text_box::unk1
|
|
adc window_width
|
|
sta text_box::width
|
|
lda text_box::unk1+1
|
|
adc window_width+1
|
|
sta text_box::width+1
|
|
jsr L0DD1
|
|
jsr draw_content
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_hscroll_after_click
|
|
ldx #2
|
|
lda window_params::L099A
|
|
jmp hscroll_common
|
|
.endproc
|
|
|
|
.proc on_hscroll_before_click
|
|
ldx #254
|
|
lda #0
|
|
jmp hscroll_common
|
|
.endproc
|
|
|
|
.proc on_hscroll_right_click
|
|
ldx #1
|
|
lda window_params::L099A
|
|
jmp hscroll_common
|
|
.endproc
|
|
|
|
.proc on_hscroll_left_click
|
|
ldx #255
|
|
lda #0
|
|
;; fall through
|
|
.endproc
|
|
|
|
.proc hscroll_common
|
|
sta compare+1
|
|
stx delta+1
|
|
loop: lda window_params::L099B
|
|
compare:cmp #$0A ; self-modified
|
|
bne continue
|
|
rts
|
|
|
|
continue:
|
|
clc
|
|
lda window_params::L099B
|
|
delta: adc #1 ; self-modified
|
|
bmi overflow
|
|
cmp window_params::L099A
|
|
beq store
|
|
bcc store
|
|
lda window_params::L099A
|
|
jmp store
|
|
|
|
overflow:
|
|
lda #0
|
|
|
|
store: sta window_params::L099B
|
|
jsr L0D5E
|
|
jsr L0DD1
|
|
jsr draw_content
|
|
jsr was_button_released
|
|
bne loop
|
|
rts
|
|
.endproc
|
|
|
|
;; Used at start of thumb drag
|
|
.proc do_thumb_drag
|
|
lda mouse_data::xcoord
|
|
sta thumb_drag_params::xcoord
|
|
lda mouse_data::xcoord+1
|
|
sta thumb_drag_params::xcoord+1
|
|
lda mouse_data::ycoord
|
|
sta thumb_drag_params::ycoord
|
|
A2D_CALL A2D_DRAG_SCROLL, thumb_drag_params
|
|
rts
|
|
.endproc
|
|
|
|
;;; Checks button state; z clear if button was released, set otherwise
|
|
.proc was_button_released
|
|
A2D_CALL A2D_GET_BUTTON, button_state
|
|
lda button_state
|
|
cmp #2
|
|
rts
|
|
.endproc
|
|
|
|
;;; only used from hscroll code?
|
|
.proc L0D5E
|
|
lda window_params::L099B
|
|
jsr L10EC
|
|
clc
|
|
lda $06
|
|
sta text_box::unk1
|
|
adc window_width
|
|
sta text_box::width
|
|
lda $07
|
|
sta text_box::unk1+1
|
|
adc window_width+1
|
|
sta text_box::width+1
|
|
rts
|
|
.endproc
|
|
|
|
.proc L0D7C ; ?? part of vscroll
|
|
lda #0
|
|
sta text_box::unk2
|
|
sta text_box::unk2+1
|
|
ldx update_scroll_params::pos
|
|
loop: beq L0D9B
|
|
clc
|
|
lda text_box::unk2
|
|
adc #50
|
|
sta text_box::unk2
|
|
bcc skip
|
|
inc text_box::unk2+1
|
|
skip: dex
|
|
jmp loop
|
|
.endproc
|
|
|
|
.proc L0D9B ; ?? part of vscroll
|
|
clc
|
|
lda text_box::unk2
|
|
adc window_height
|
|
sta text_box::height
|
|
lda text_box::unk2+1
|
|
adc window_height+1
|
|
sta text_box::height+1
|
|
jsr L10A5
|
|
lda #0
|
|
sta L096A
|
|
sta L096B
|
|
ldx update_scroll_params::pos
|
|
loop: beq end
|
|
clc
|
|
lda L096A
|
|
adc #5
|
|
sta L096A
|
|
bcc skip
|
|
inc L096B
|
|
skip: dex
|
|
jmp loop
|
|
end: rts
|
|
.endproc
|
|
|
|
L0DD1: lda #2
|
|
sta update_scroll_params::type
|
|
lda text_box::unk1
|
|
sta $06
|
|
lda text_box::unk1+1
|
|
sta $07
|
|
jsr L10DF
|
|
sta update_scroll_params::pos
|
|
A2D_CALL A2D_UPDATE_SCROLL, update_scroll_params
|
|
rts
|
|
|
|
.proc update_vscroll ; update_scroll_params::pos set by caller
|
|
lda #1
|
|
sta update_scroll_params::type
|
|
A2D_CALL A2D_UPDATE_SCROLL, update_scroll_params
|
|
rts
|
|
.endproc
|
|
|
|
.proc L0DF9 ; only called from dead code
|
|
jsr UNKNOWN_CALL
|
|
.byte $0C
|
|
.addr 0
|
|
A2D_CALL $04, text_box
|
|
lda window_params::L0998
|
|
ror a
|
|
bcc skip
|
|
jsr L0DD1
|
|
skip: lda window_params::vscroll_pos
|
|
sta update_scroll_params::pos
|
|
jsr update_vscroll
|
|
jsr draw_content
|
|
jmp input_loop
|
|
.endproc
|
|
|
|
L0E1D: A2D_CALL $08, L0952
|
|
A2D_CALL $11, text_box::unk1
|
|
A2D_CALL $08, L094A
|
|
rts
|
|
|
|
;;; Draw content ???
|
|
.proc draw_content
|
|
lda #0
|
|
sta L0949
|
|
jsr L1129
|
|
jsr set_file_mark
|
|
lda #<default_buffer
|
|
sta read_params::buffer
|
|
sta $06
|
|
lda #>default_buffer
|
|
sta read_params::buffer+1
|
|
sta $07
|
|
lda #$00
|
|
sta L0945
|
|
sta L0946
|
|
sta L0947
|
|
sta line_pos::base+1
|
|
sta L096C
|
|
sta L096D
|
|
sta L0948
|
|
lda #$0A
|
|
sta line_pos::base
|
|
jsr L0EDB
|
|
L0E68: lda L096D
|
|
cmp L096B
|
|
bne L0E7E
|
|
lda L096C
|
|
cmp L096A
|
|
bne L0E7E
|
|
jsr L0E1D
|
|
inc L0948
|
|
L0E7E: A2D_CALL A2D_SET_TEXT_POS, line_pos
|
|
sec
|
|
lda #$FA
|
|
sbc line_pos::left
|
|
sta L095B
|
|
lda #$01
|
|
sbc line_pos::left+1
|
|
sta L095C
|
|
jsr L0EF3
|
|
bcs L0ED7
|
|
clc
|
|
lda text_string::len
|
|
adc $06
|
|
sta $06
|
|
bcc L0EA6
|
|
inc $07
|
|
L0EA6: lda L095A
|
|
bne L0E68
|
|
clc
|
|
lda line_pos::base
|
|
adc #$0A
|
|
sta line_pos::base
|
|
bcc L0EB9
|
|
inc line_pos::base+1
|
|
L0EB9: jsr L0EDB
|
|
lda L096C
|
|
cmp L0968
|
|
bne L0ECC
|
|
lda L096D
|
|
cmp L0969
|
|
beq L0ED7
|
|
L0ECC: inc L096C
|
|
bne L0ED4
|
|
inc L096D
|
|
L0ED4: jmp L0E68
|
|
|
|
L0ED7: jsr L1109
|
|
rts
|
|
.endproc
|
|
|
|
.proc L0EDB ; ???
|
|
lda #$FA
|
|
sta L095B
|
|
lda #$01
|
|
sta L095C
|
|
lda #$03
|
|
sta line_pos::left
|
|
lda #$00
|
|
sta line_pos::left+1
|
|
sta L095A
|
|
rts
|
|
.endproc
|
|
|
|
L0EF3: lda #$FF
|
|
sta L0F9B
|
|
lda #$00
|
|
sta L0F9C
|
|
sta L0F9D
|
|
sta L095A
|
|
sta text_string::len
|
|
lda $06
|
|
sta text_string::addr
|
|
lda $07
|
|
sta text_string::addr+1
|
|
L0F10: lda L0945
|
|
bne L0F22
|
|
lda L0947
|
|
beq L0F1F
|
|
jsr L0FF6
|
|
sec
|
|
rts
|
|
|
|
L0F1F: jsr L100C
|
|
L0F22: ldy text_string::len
|
|
lda ($06),y
|
|
and #$7F ; clear high bit
|
|
sta ($06),y
|
|
inc L0945
|
|
cmp #$0D ; return character
|
|
beq L0F86
|
|
cmp #$20 ; space character
|
|
bne L0F41
|
|
sty L0F9B
|
|
pha
|
|
lda L0945
|
|
sta L0946
|
|
pla
|
|
L0F41: cmp #$09
|
|
bne L0F48
|
|
jmp L0F9E
|
|
|
|
L0F48: tay
|
|
lda $8803,y
|
|
clc
|
|
adc L0F9C
|
|
sta L0F9C
|
|
bcc L0F58
|
|
inc L0F9D
|
|
L0F58: lda L095C
|
|
cmp L0F9D
|
|
bne L0F66
|
|
lda L095B
|
|
cmp L0F9C
|
|
L0F66: bcc L0F6E
|
|
inc text_string::len
|
|
jmp L0F10
|
|
|
|
L0F6E: lda #$00
|
|
sta L095A
|
|
lda L0F9B
|
|
cmp #$FF
|
|
beq L0F83
|
|
sta text_string::len
|
|
lda L0946
|
|
sta L0945
|
|
L0F83: inc text_string::len
|
|
L0F86: jsr L0FF6
|
|
ldy text_string::len
|
|
lda ($06),y
|
|
cmp #$09
|
|
beq L0F96
|
|
cmp #$0D
|
|
bne L0F99
|
|
L0F96: inc text_string::len
|
|
L0F99: clc
|
|
rts
|
|
|
|
L0F9B: .byte 0
|
|
L0F9C: .byte 0
|
|
L0F9D: .byte 0
|
|
.proc L0F9E ; ???
|
|
lda #1
|
|
sta L095A
|
|
clc
|
|
lda L0F9C
|
|
adc line_pos::left
|
|
sta line_pos::left
|
|
lda L0F9D
|
|
adc line_pos::left+1
|
|
sta line_pos::left+1
|
|
ldx #0
|
|
loop: lda times70+1,x
|
|
cmp line_pos::left+1
|
|
bne L0FC6
|
|
lda times70,x
|
|
cmp line_pos::left
|
|
L0FC6: bcs L0FD1
|
|
inx
|
|
inx
|
|
cpx #14
|
|
beq done
|
|
jmp loop
|
|
L0FD1: lda times70,x
|
|
sta line_pos::left
|
|
lda times70+1,x
|
|
sta line_pos::left+1
|
|
jmp L0F86
|
|
done: lda #0
|
|
sta L095A
|
|
jmp L0F86
|
|
|
|
times70:.word 70
|
|
.word 140
|
|
.word 210
|
|
.word 280
|
|
.word 350
|
|
.word 420
|
|
.word 490
|
|
.endproc
|
|
|
|
;;; Draws a line of content
|
|
L0FF6: lda L0948
|
|
beq L100B
|
|
lda text_string::len
|
|
beq L100B
|
|
L1000: A2D_CALL A2D_DRAW_TEXT, text_string
|
|
lda #1
|
|
sta L0949
|
|
L100B: rts
|
|
|
|
L100C: lda text_string::addr+1
|
|
cmp #$12 ; #>default_buffer?
|
|
beq L102B
|
|
ldy #$00
|
|
L1015: lda $1300,y
|
|
sta default_buffer,y
|
|
iny
|
|
bne L1015
|
|
dec text_string::addr+1
|
|
lda text_string::addr
|
|
sta $06
|
|
lda text_string::addr+1
|
|
sta $07
|
|
L102B: lda #$00
|
|
sta L0945
|
|
jsr L103E
|
|
lda read_params::buffer+1
|
|
cmp #$12 ; #>default_buffer?
|
|
bne L103D
|
|
inc read_params::buffer+1
|
|
L103D: rts
|
|
|
|
L103E:
|
|
.scope
|
|
lda read_params::buffer
|
|
sta store+1
|
|
lda read_params::buffer+1
|
|
sta store+2
|
|
lda #$20
|
|
ldx #$00
|
|
sta RAMWRTOFF
|
|
store: sta default_buffer,x ; self-modified
|
|
inx
|
|
bne store
|
|
sta RAMWRTON
|
|
lda #$00
|
|
sta L0947
|
|
jsr read_file
|
|
pha
|
|
lda #$00
|
|
sta STARTLO
|
|
sta DESTINATIONLO
|
|
lda #$FF
|
|
sta ENDLO
|
|
lda read_params::buffer+1
|
|
sta DESTINATIONHI
|
|
sta STARTHI
|
|
sta ENDHI
|
|
sec ; main>aux
|
|
jsr AUXMOVE
|
|
pla
|
|
beq end
|
|
cmp #$4C
|
|
beq done
|
|
brk ; ????
|
|
done: lda #$01
|
|
sta L0947
|
|
end: rts
|
|
.endscope
|
|
|
|
L1088: sec
|
|
lda text_box::width
|
|
sbc text_box::unk1
|
|
sta window_width
|
|
lda text_box::width+1
|
|
sbc text_box::unk1+1
|
|
sta window_width+1
|
|
sec
|
|
lda text_box::height
|
|
sbc text_box::unk2
|
|
sta window_height
|
|
L10A5: lda text_box::height
|
|
sta L0965
|
|
lda text_box::height+1
|
|
sta L0966
|
|
lda #$00
|
|
sta L0968
|
|
sta L0969
|
|
L10B9: lda L0966
|
|
bne L10C5
|
|
lda L0965
|
|
cmp #$0A
|
|
bcc L10DE
|
|
L10C5: sec
|
|
lda L0965
|
|
sbc #$0A
|
|
sta L0965
|
|
bcs L10D3
|
|
dec L0966
|
|
L10D3: inc L0968
|
|
bne L10B9
|
|
inc L0969
|
|
jmp L10B9
|
|
|
|
L10DE: rts
|
|
|
|
L10DF: ldx #$04
|
|
L10E1: clc
|
|
ror $07
|
|
ror $06
|
|
dex
|
|
bne L10E1
|
|
lda $06
|
|
rts
|
|
|
|
L10EC: sta $06
|
|
lda #$00
|
|
sta $07
|
|
ldx #$04
|
|
L10F4: clc
|
|
rol $06
|
|
rol $07
|
|
dex
|
|
bne L10F4
|
|
rts
|
|
|
|
L10FD: lda #$15
|
|
L10FF: sta $27
|
|
lda #$40
|
|
sta $28
|
|
jsr zp_code_stash
|
|
rts
|
|
|
|
;;; if fixed mode, do a main->aux copy of a code block ???
|
|
.proc L1109
|
|
lda fixed_mode_flag ; if not fixed (i.e. proportional)
|
|
beq end ; then exit
|
|
|
|
lda #$00 ; start := $1100
|
|
sta STARTLO
|
|
lda #$7E
|
|
sta ENDLO ; end := $117E
|
|
lda #$11
|
|
sta STARTHI
|
|
sta ENDHI
|
|
|
|
dest := $8803
|
|
lda #>dest
|
|
sta DESTINATIONHI
|
|
lda #<dest
|
|
sta DESTINATIONLO
|
|
sec ; main>aux
|
|
jsr AUXMOVE
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc L1129 ; ???
|
|
lda fixed_mode_flag ; if not fixed (i.e. proportional)
|
|
beq end ; then exit
|
|
ldx $8801
|
|
lda #$07
|
|
loop: sta $8802,x
|
|
dex
|
|
bne loop
|
|
end: rts
|
|
.endproc
|
|
|
|
;;; On Title Bar Click - if it's on the Fixed/Proportional label,
|
|
;;; toggle it and update.
|
|
.proc on_title_bar_click
|
|
lda mouse_data::xcoord+1 ; mouse x high byte?
|
|
cmp mode_box_left+1
|
|
bne :+
|
|
lda mouse_data::xcoord
|
|
cmp mode_box_left
|
|
: bcc ignore
|
|
lda fixed_mode_flag
|
|
beq set_flag
|
|
dec fixed_mode_flag ; clear flag (mode = proportional)
|
|
jsr L1109
|
|
jmp redraw
|
|
|
|
set_flag:
|
|
inc fixed_mode_flag ; set flag (mode = fixed)
|
|
redraw: jsr draw_mode
|
|
jsr draw_content
|
|
sec ; Click consumed
|
|
rts
|
|
|
|
ignore: clc ; Click ignored
|
|
rts
|
|
.endproc
|
|
|
|
fixed_str: A2D_DEFSTRING "Fixed "
|
|
prop_str: A2D_DEFSTRING "Proportional"
|
|
label_width := 50
|
|
title_bar_height := 12
|
|
.proc mode_box ; bounding box for mode label
|
|
left: .word 0
|
|
top: .word 0
|
|
.word $2000 ; ??
|
|
.word $80 ; ??
|
|
.word 0 ; ??
|
|
.word 0 ; ??
|
|
width: .word 80
|
|
height: .word 10
|
|
.endproc
|
|
mode_box_left := mode_box::left ; forward refs to mode_box::left don't work?
|
|
|
|
.proc mode_pos
|
|
left: .word 0 ; horizontal text offset
|
|
base: .word 10 ; vertical text offset (to baseline)
|
|
.endproc
|
|
|
|
.proc calc_and_draw_mode
|
|
sec
|
|
lda text_box::top
|
|
sbc #title_bar_height
|
|
sta mode_box::top
|
|
clc
|
|
lda text_box::left
|
|
adc window_width
|
|
pha
|
|
lda text_box::left+1
|
|
adc window_width+1
|
|
tax
|
|
sec
|
|
pla
|
|
sbc #<label_width
|
|
sta mode_box::left
|
|
txa
|
|
sbc #>label_width
|
|
sta mode_box::left+1
|
|
;; fall through...
|
|
.endproc
|
|
|
|
.proc draw_mode
|
|
A2D_CALL $06, mode_box ; guess: setting up draw location ???
|
|
A2D_CALL A2D_SET_TEXT_POS, mode_pos
|
|
lda fixed_mode_flag
|
|
beq else ; is proportional?
|
|
A2D_CALL A2D_DRAW_TEXT, fixed_str
|
|
jmp endif
|
|
else: A2D_CALL A2D_DRAW_TEXT, prop_str
|
|
|
|
endif: ldx #$0F
|
|
loop: lda default_box,x
|
|
sta text_box,x
|
|
dex
|
|
bpl loop
|
|
A2D_CALL $06, text_box
|
|
rts
|
|
.endproc
|