mirror of
https://github.com/mi57730/a2d.git
synced 2024-07-07 10:28:55 +00:00
1407 lines
35 KiB
ArmAsm
1407 lines
35 KiB
ArmAsm
.setcpu "65C02"
|
|
.org $800
|
|
|
|
.include "../../inc/prodos.inc"
|
|
.include "../../inc/auxmem.inc"
|
|
.include "a2d.inc"
|
|
|
|
start: jmp copy2aux
|
|
|
|
save_stack:.byte 0
|
|
|
|
;;; Copy $800 through $13FF (the DA) to aux
|
|
.proc copy2aux
|
|
tsx
|
|
stx save_stack
|
|
sta RAMWRTON
|
|
ldy #0
|
|
src: lda start,y ; self-modified
|
|
dst: sta start,y ; self-modified
|
|
dey
|
|
bne src
|
|
sta RAMWRTOFF
|
|
inc src+2
|
|
inc dst+2
|
|
sta RAMWRTON
|
|
lda dst+2
|
|
cmp #$14
|
|
bne src
|
|
.endproc
|
|
|
|
call_main_trampoline := $20 ; installed on ZP, turns off auxmem and calls...
|
|
call_main_addr := call_main_trampoline+7 ; address patched in here
|
|
|
|
;;; Copy the following "call_main_template" routine to $20
|
|
.scope
|
|
sta RAMWRTON
|
|
sta RAMRDON
|
|
ldx #(call_main_template_end - call_main_template)
|
|
loop: lda call_main_template,x
|
|
sta call_main_trampoline,x
|
|
dex
|
|
bpl loop
|
|
jmp call_init
|
|
.endscope
|
|
|
|
.proc call_main_template
|
|
sta RAMRDOFF
|
|
sta RAMWRTOFF
|
|
jsr $1000 ; overwritten (in zp version)
|
|
sta RAMRDON
|
|
sta RAMWRTON
|
|
rts
|
|
.endproc
|
|
call_main_template_end: ; can't .sizeof(proc) before declaration
|
|
;; https://github.com/cc65/cc65/issues/478
|
|
|
|
.proc call_init
|
|
;; run the DA
|
|
jsr init
|
|
|
|
;; tear down/exit
|
|
sta ALTZPON
|
|
lda LCBANK1
|
|
lda LCBANK1
|
|
sta RAMRDOFF
|
|
sta RAMWRTOFF
|
|
ldx save_stack
|
|
txs
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; ProDOS MLI calls
|
|
|
|
.proc open_file
|
|
jsr copy_params_aux_to_main
|
|
sta ALTZPOFF
|
|
MLI_CALL OPEN, open_params
|
|
sta ALTZPON
|
|
jsr copy_params_main_to_aux
|
|
rts
|
|
.endproc
|
|
|
|
.proc read_file
|
|
jsr copy_params_aux_to_main
|
|
sta ALTZPOFF
|
|
MLI_CALL READ, read_params
|
|
sta ALTZPON
|
|
jsr copy_params_main_to_aux
|
|
rts
|
|
.endproc
|
|
|
|
.proc get_file_eof
|
|
jsr copy_params_aux_to_main
|
|
sta ALTZPOFF
|
|
MLI_CALL GET_EOF, get_eof_params
|
|
sta ALTZPON
|
|
jsr copy_params_main_to_aux
|
|
rts
|
|
.endproc
|
|
|
|
.proc set_file_mark
|
|
jsr copy_params_aux_to_main
|
|
sta ALTZPOFF
|
|
MLI_CALL SET_MARK, set_mark_params
|
|
sta ALTZPON
|
|
jsr copy_params_main_to_aux
|
|
rts
|
|
.endproc
|
|
|
|
.proc close_file
|
|
jsr copy_params_aux_to_main
|
|
sta ALTZPOFF
|
|
MLI_CALL CLOSE, close_params
|
|
sta ALTZPON
|
|
jsr copy_params_main_to_aux
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
;;; Copies param blocks from Aux to Main
|
|
.proc copy_params_aux_to_main
|
|
ldy #(params_end - params_start + 1)
|
|
sta RAMWRTOFF
|
|
loop: lda params_start - 1,y
|
|
sta params_start - 1,y
|
|
dey
|
|
bne loop
|
|
sta RAMRDOFF
|
|
rts
|
|
.endproc
|
|
|
|
;;; Copies param blocks from Main to Aux
|
|
.proc copy_params_main_to_aux
|
|
pha
|
|
php
|
|
sta RAMWRTON
|
|
ldy #(params_end - params_start + 1)
|
|
loop: lda params_start - 1,y
|
|
sta params_start - 1,y
|
|
dey
|
|
bne loop
|
|
sta RAMRDON
|
|
plp
|
|
pla
|
|
rts
|
|
.endproc
|
|
|
|
;;; ----------------------------------------
|
|
|
|
params_start:
|
|
;;; This block gets copied between main/aux
|
|
|
|
;;; ProDOS MLI param blocks
|
|
|
|
.proc open_params
|
|
.byte 3 ; param_count
|
|
.addr pathname ; pathname
|
|
.addr $0C00 ; io_buffer
|
|
ref_num:.byte 0 ; ref_num
|
|
.endproc
|
|
|
|
default_buffer := $1200
|
|
|
|
.proc read_params
|
|
.byte 4 ; param_count
|
|
ref_num:.byte 0 ; ref_num
|
|
buffer: .addr default_buffer ; data_buffer
|
|
.word $100 ; request_count
|
|
.word 0 ; trans_count
|
|
.endproc
|
|
|
|
.proc get_eof_params
|
|
.byte 2 ; param_count
|
|
ref_num:.byte 0 ; ref_num
|
|
.byte 0,0,0 ; EOF (lo, mid, hi)
|
|
.endproc
|
|
|
|
.proc set_mark_params
|
|
.byte 2 ; param_count
|
|
ref_num:.byte 0 ; ref_num
|
|
.byte 0,0,0 ; position (lo, mid, hi)
|
|
.endproc
|
|
|
|
.proc close_params
|
|
.byte 1 ; param_count
|
|
ref_num:.byte 0 ; ref_num
|
|
.endproc
|
|
|
|
.proc pathname ; 1st byte is length, rest is full path
|
|
length: .byte $00
|
|
data: .byte $00,$00,$00,$00,$00,$00,$00,$00
|
|
.byte $00,$00,$00,$00,$00,$00,$00,$00
|
|
.byte $00,$00,$00,$00,$00,$00,$00,$00
|
|
.byte $00,$00,$00,$00,$00,$00,$00,$00
|
|
.byte $00,$00,$00,$00,$00,$00,$00,$00
|
|
.byte $00,$00,$00,$00,$00,$00,$00,$00
|
|
.byte $00,$00,$00,$00,$00,$00,$00,$00
|
|
.byte $00,$00,$00,$00,$00,$00,$00,$00
|
|
.endproc
|
|
|
|
L0945: .byte $00
|
|
L0946: .byte $00
|
|
L0947: .byte $00
|
|
L0948: .byte $00
|
|
L0949: .byte $00
|
|
|
|
;; params of a $08 call
|
|
L094A: .byte $00,$00,$00,$00
|
|
|
|
params_end:
|
|
;;; ----------------------------------------
|
|
|
|
.byte $00,$00,$00,$00
|
|
|
|
;; start of a $08 call
|
|
L0952: .byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
|
|
L095A: .byte $00
|
|
L095B: .byte $FA
|
|
L095C: .byte $01
|
|
|
|
.proc line_pos
|
|
left: .word 0
|
|
base: .word 0
|
|
.endproc
|
|
|
|
window_width: .word 0
|
|
window_height: .word 0
|
|
|
|
L0965: .byte $00
|
|
L0966: .byte $00,$00
|
|
L0968: .byte $00
|
|
L0969: .byte $00
|
|
L096A: .byte $00
|
|
L096B: .byte $00
|
|
L096C: .byte $00
|
|
L096D: .byte $00
|
|
|
|
track_scroll_delta:
|
|
.byte $00
|
|
|
|
fixed_mode_flag:
|
|
.byte $00 ; 0 = proportional, otherwise = fixed
|
|
|
|
button_state:
|
|
.byte $00
|
|
|
|
.proc mouse_params ; queried by main input loop
|
|
xcoord: .word 0
|
|
ycoord: .word 0
|
|
elem: .byte 0
|
|
win: .byte 0
|
|
.endproc
|
|
|
|
.proc resize_drag_params
|
|
id: .byte window_id
|
|
xcoord: .word 0
|
|
ycoord: .word 0
|
|
.byte 0 ; ???
|
|
.endproc
|
|
|
|
.proc close_btn ; queried after close clicked to see if aborted/finished
|
|
state: .byte 0 ; 0 = aborted, 1 = clicked
|
|
.byte 0,0
|
|
.endproc
|
|
|
|
.proc query_client_params ; queried after a client click to identify target
|
|
xcoord: .word 0
|
|
ycoord: .word 0
|
|
part: .byte 0 ; 0 = client, 1 = scroll bar, 2 = ?????
|
|
scroll: .byte 0 ; 1 = up, 2 = down, 3 = above, 4 = below, 5 = thumb
|
|
.endproc
|
|
|
|
;; param block used in dead code (resize?)
|
|
.proc resize_window_params
|
|
L0986: .byte 0
|
|
L0987: .byte 0
|
|
.endproc
|
|
|
|
.proc update_scroll_params ; called to update scroll bar position
|
|
type: .byte 0 ; 1 = vertical, 2 = horizontal ?
|
|
pos: .byte 0 ; new position (0...250)
|
|
.endproc
|
|
|
|
;;; Used when dragging vscroll thumb
|
|
.proc thumb_drag_params
|
|
type: .byte 0 ; vscroll = 1, hscroll = 2 ??
|
|
xcoord: .word 0
|
|
ycoord: .word 0
|
|
pos: .byte 0 ; position (0...255)
|
|
moved: .byte 0 ; 0 if not moved, 1 if moved
|
|
.endproc
|
|
|
|
.proc text_string
|
|
addr: .addr 0 ; address
|
|
len: .byte 0 ; length
|
|
.endproc
|
|
|
|
window_id := $64
|
|
.proc window_params
|
|
id: .byte window_id ; window identifier
|
|
flags: .byte 2 ; window flags (2=include close box)
|
|
title: .addr $1000
|
|
L0998: .byte $00,$C1 ; ???
|
|
|
|
L099A: .byte $20 ; hscroll?
|
|
L099B: .byte $00,$FF ; more hscroll?
|
|
|
|
vscroll_pos:
|
|
.byte 0
|
|
|
|
;; unreferenced ?
|
|
.byte $00,$00,$C8,$00,$33,$00,$00 ; ???
|
|
.byte $02,$96,$00 ; ???
|
|
.endproc
|
|
|
|
.proc text_box ; or whole window ??
|
|
left: .word 10
|
|
top: .word 28
|
|
.word $2000 ; ??? never changed
|
|
.word $80 ; ??? never changed
|
|
hoffset:.word 0
|
|
voffset:.word 0
|
|
width: .word 512
|
|
height: .word 150
|
|
.endproc
|
|
|
|
;; unused?
|
|
.byte $00,$00,$00,$00,$00,$00,$00
|
|
.byte $00,$FF,$00,$00,$00,$00,$00,$01
|
|
.byte $01,$00,$7F,$00,$88,$00,$00
|
|
|
|
;; gets copied over text_box after mode is drawn
|
|
.proc default_box
|
|
left: .word 10
|
|
top: .word 28
|
|
.word $2000
|
|
.word $80
|
|
hoffset:.word 0
|
|
voffset:.word 0
|
|
width: .word 512
|
|
height: .word 150
|
|
.endproc
|
|
|
|
.proc init
|
|
sta ALTZPON
|
|
lda LCBANK1
|
|
lda LCBANK1
|
|
|
|
path_index := $DF20
|
|
path_table := $DFB3 ; prefix address table
|
|
|
|
lda #0
|
|
sta pathname::length
|
|
lda $DF21 ; ???
|
|
beq abort ; some file properties?
|
|
lda path_index ; prefix index in table
|
|
bne :+
|
|
abort: rts
|
|
|
|
;; Copy path (prefix) into pathname buffer.
|
|
: src := $06
|
|
dst := $08
|
|
|
|
asl a ; (since address table is 2 bytes wide)
|
|
tax
|
|
lda path_table,x ; pathname ???
|
|
sta src
|
|
lda path_table+1,x
|
|
sta src+1
|
|
ldy #0
|
|
lda (src),y
|
|
tax
|
|
inc src
|
|
bne :+
|
|
inc src+1
|
|
: lda #<(pathname::data)
|
|
sta dst
|
|
lda #>(pathname::data)
|
|
sta dst+1
|
|
jsr copy_pathname ; copy x bytes (src) to (dst)
|
|
|
|
;; Append separator.
|
|
lda #'/'
|
|
ldy #0
|
|
sta (dst),y
|
|
inc pathname::length
|
|
inc dst
|
|
bne :+
|
|
inc dst+1
|
|
|
|
file_index := $DF22
|
|
file_table := $DD9F
|
|
|
|
;; Check file properties.
|
|
: lda file_index ; file index in table
|
|
asl a ; (since table is 2 bytes wide)
|
|
tax
|
|
lda file_table,x
|
|
sta src
|
|
lda file_table+1,x
|
|
sta src+1
|
|
|
|
ldy #2 ; 2nd byte in entry ???
|
|
lda (src),y
|
|
and #$70 ; check that one of bits 4,5,6 is set ???
|
|
bne :+
|
|
rts ; abort ???
|
|
|
|
;; Set window title.
|
|
: clc
|
|
lda src ; name is 11 bytes into entry (2 + 9)
|
|
adc #9
|
|
sta window_params::title
|
|
lda src+1
|
|
adc #0
|
|
sta window_params::title+1
|
|
|
|
ldy #9
|
|
lda (src),y
|
|
tax
|
|
dex
|
|
dex
|
|
clc
|
|
lda src
|
|
adc #11 ; name is 11 bytes into entry
|
|
sta src
|
|
bcc :+
|
|
inc src+1
|
|
: jsr copy_pathname ; copy x bytes (src) to (dst)
|
|
|
|
;; ???
|
|
lda #<JUMP_TABLE_03
|
|
sta call_main_addr
|
|
lda #>JUMP_TABLE_03
|
|
sta call_main_addr+1
|
|
jsr call_main_trampoline
|
|
|
|
jmp open_file_and_init_window
|
|
|
|
.proc copy_pathname ; copy x bytes from src to dst
|
|
ldy #0 ; incrementing path length and dst
|
|
loop: lda (src),y
|
|
sta (dst),y
|
|
iny
|
|
inc pathname::length
|
|
dex
|
|
bne loop
|
|
tya
|
|
clc
|
|
adc dst
|
|
sta dst
|
|
bcc end
|
|
inc dst+1
|
|
end: rts
|
|
.endproc
|
|
|
|
.endproc
|
|
|
|
.proc open_file_and_init_window
|
|
lda #0
|
|
sta fixed_mode_flag
|
|
|
|
;; copy bytes (length at $8801) from $8802 to $10FF ???
|
|
;; length is $7f in tests
|
|
ldx $8801
|
|
sta RAMWRTOFF
|
|
loop: lda $8802,x
|
|
sta L10FD+2,x
|
|
dex
|
|
bne loop
|
|
sta RAMWRTON
|
|
|
|
;; open file, get length
|
|
jsr open_file
|
|
lda open_params::ref_num
|
|
sta read_params::ref_num
|
|
sta set_mark_params::ref_num
|
|
sta get_eof_params::ref_num
|
|
sta close_params::ref_num
|
|
jsr get_file_eof
|
|
|
|
;; create window
|
|
A2D_CALL A2D_CREATE_WINDOW, window_params
|
|
A2D_CALL A2D_TEXT_BOX1, text_box
|
|
jsr L1088
|
|
jsr calc_and_draw_mode
|
|
jsr draw_content
|
|
A2D_CALL $2B, 0 ; ???
|
|
;; fall through
|
|
.endproc
|
|
|
|
input_loop:
|
|
A2D_CALL A2D_GET_BUTTON, button_state
|
|
lda button_state
|
|
cmp #1 ; was clicked?
|
|
bne input_loop ; nope, keep waiting
|
|
|
|
A2D_CALL A2D_GET_MOUSE, mouse_params
|
|
lda mouse_params::win ; in our window?
|
|
cmp #window_id
|
|
bne input_loop
|
|
|
|
;; which part of the window?
|
|
lda mouse_params::elem
|
|
cmp #A2D_ELEM_CLOSE
|
|
beq on_close_btn_down
|
|
|
|
ldx mouse_params::xcoord ; stash mouse location
|
|
stx resize_drag_params::xcoord
|
|
stx query_client_params::xcoord
|
|
ldx mouse_params::xcoord+1
|
|
stx resize_drag_params::xcoord+1
|
|
stx query_client_params::xcoord+1
|
|
ldx mouse_params::ycoord
|
|
stx resize_drag_params::ycoord
|
|
stx query_client_params::ycoord
|
|
|
|
cmp #A2D_ELEM_TITLE
|
|
beq title
|
|
cmp #A2D_ELEM_RESIZE
|
|
beq input_loop
|
|
jsr on_client_click
|
|
jmp input_loop
|
|
|
|
title: jsr on_title_bar_click
|
|
jmp input_loop
|
|
|
|
.proc on_close_btn_down
|
|
A2D_CALL A2D_BTN_CLICK, close_btn ; wait to see if the click completes
|
|
lda close_btn::state ; did click complete?
|
|
beq input_loop ; nope
|
|
jsr close_file
|
|
A2D_CALL A2D_DESTROY_WINDOW, window_params
|
|
|
|
jsr UNKNOWN_CALL ; hides the cursor?
|
|
.byte $0C
|
|
.addr 0
|
|
|
|
rts ; exits input loop
|
|
.endproc
|
|
|
|
;;; This is dead code (no resize handle!) and may be buggy
|
|
.proc on_resize_click
|
|
A2D_CALL A2D_DRAG_RESIZE, resize_drag_params
|
|
jsr L10FD ; call $4015 on main
|
|
jsr L1088
|
|
|
|
max_width := 512
|
|
lda #>max_width
|
|
cmp text_box::width+1
|
|
bne :+
|
|
lda #<max_width
|
|
cmp text_box::width
|
|
: bcs wider
|
|
|
|
lda #<max_width
|
|
sta text_box::width
|
|
lda #>max_width
|
|
sta text_box::width+1
|
|
sec
|
|
lda text_box::width
|
|
sbc window_width
|
|
sta text_box::hoffset
|
|
lda text_box::width+1
|
|
sbc window_width+1
|
|
sta text_box::hoffset+1
|
|
wider: lda window_params::L0998
|
|
ldx window_width
|
|
cpx #<max_width
|
|
bne L0B89
|
|
ldx window_width+1
|
|
cpx #>max_width
|
|
bne L0B89
|
|
and #$FE
|
|
jmp L0B8B
|
|
|
|
L0B89: ora #$01
|
|
L0B8B: sta window_params::L0998
|
|
sec
|
|
lda #<max_width
|
|
sbc window_width
|
|
sta $06
|
|
lda #>max_width
|
|
sbc window_width+1
|
|
sta $07
|
|
jsr L10DF
|
|
sta resize_window_params::L0987
|
|
lda #$02
|
|
sta resize_window_params::L0986
|
|
A2D_CALL A2D_RESIZE_WINDOW, resize_window_params ; change to clamped size ???
|
|
jsr calc_and_draw_mode
|
|
jmp finish_resize
|
|
.endproc
|
|
|
|
;;; Non-title (client) area clicked
|
|
.proc on_client_click
|
|
A2D_CALL A2D_QUERY_CLIENT, query_client_params
|
|
lda query_client_params::part
|
|
cmp #A2D_VSCROLL
|
|
beq on_vscroll_click
|
|
cmp #A2D_HSCROLL
|
|
bne end
|
|
jmp on_hscroll_click
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_click
|
|
lda #A2D_VSCROLL
|
|
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 #0 ; 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
|
|
|
|
;;; Unused in STF DA, so most of this is speculation
|
|
.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::hoffset
|
|
lda $07
|
|
sta text_box::hoffset+1
|
|
clc
|
|
lda text_box::hoffset
|
|
adc window_width
|
|
sta text_box::width
|
|
lda text_box::hoffset+1
|
|
adc window_width+1
|
|
sta text_box::width+1
|
|
jsr update_hscroll
|
|
jsr draw_content
|
|
end: rts
|
|
.endproc
|
|
|
|
;;; Unused in STF DA, so most of this is speculation
|
|
.proc on_hscroll_after_click
|
|
ldx #2
|
|
lda window_params::L099A
|
|
jmp hscroll_common
|
|
.endproc
|
|
|
|
;;; Unused in STF DA, so most of this is speculation
|
|
.proc on_hscroll_before_click
|
|
ldx #254
|
|
lda #0
|
|
jmp hscroll_common
|
|
.endproc
|
|
|
|
;;; Unused in STF DA, so most of this is speculation
|
|
.proc on_hscroll_right_click
|
|
ldx #1
|
|
lda window_params::L099A
|
|
jmp hscroll_common
|
|
.endproc
|
|
|
|
;;; Unused in STF DA, so most of this is speculation
|
|
.proc on_hscroll_left_click
|
|
ldx #255
|
|
lda #0
|
|
;; fall through
|
|
.endproc
|
|
|
|
;;; Unused in STF DA, so most of this is speculation
|
|
.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 update_hscroll
|
|
jsr draw_content
|
|
jsr was_button_released
|
|
bne loop
|
|
rts
|
|
.endproc
|
|
|
|
;; Used at start of thumb drag
|
|
.proc do_thumb_drag
|
|
lda mouse_params::xcoord
|
|
sta thumb_drag_params::xcoord
|
|
lda mouse_params::xcoord+1
|
|
sta thumb_drag_params::xcoord+1
|
|
lda mouse_params::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::hoffset
|
|
adc window_width
|
|
sta text_box::width
|
|
lda $07
|
|
sta text_box::hoffset+1
|
|
adc window_width+1
|
|
sta text_box::width+1
|
|
rts
|
|
.endproc
|
|
|
|
.proc L0D7C ; ?? part of vscroll
|
|
lda #0
|
|
sta text_box::voffset
|
|
sta text_box::voffset+1
|
|
ldx update_scroll_params::pos
|
|
loop: beq L0D9B
|
|
clc
|
|
lda text_box::voffset
|
|
adc #50
|
|
sta text_box::voffset
|
|
bcc :+
|
|
inc text_box::voffset+1
|
|
: dex
|
|
jmp loop
|
|
.endproc
|
|
|
|
.proc L0D9B ; ?? part of vscroll
|
|
clc
|
|
lda text_box::voffset
|
|
adc window_height
|
|
sta text_box::height
|
|
lda text_box::voffset+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 :+
|
|
inc L096B
|
|
: dex
|
|
jmp loop
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc update_hscroll
|
|
lda #2
|
|
sta update_scroll_params::type
|
|
lda text_box::hoffset
|
|
sta $06
|
|
lda text_box::hoffset+1
|
|
sta $07
|
|
jsr L10DF
|
|
sta update_scroll_params::pos
|
|
A2D_CALL A2D_UPDATE_SCROLL, update_scroll_params
|
|
rts
|
|
.endproc
|
|
|
|
.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 finish_resize ; only called from dead code
|
|
jsr UNKNOWN_CALL
|
|
.byte $0C
|
|
.addr 0
|
|
A2D_CALL A2D_TEXT_BOX1, text_box
|
|
lda window_params::L0998
|
|
ror a
|
|
bcc :+
|
|
jsr update_hscroll
|
|
: 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::hoffset ; ?? params are in middle of block?
|
|
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 ; line spacing = 10
|
|
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 #250
|
|
sbc line_pos::left
|
|
sta L095B
|
|
lda #1
|
|
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 #$0A ; line spacing = 10
|
|
sta line_pos::base
|
|
bcc L0EB9
|
|
inc line_pos::base+1
|
|
L0EB9: jsr L0EDB
|
|
lda L096C
|
|
cmp L0968
|
|
bne L0ECC
|
|
lda L096D
|
|
cmp L0969
|
|
beq L0ED7
|
|
L0ECC: inc L096C
|
|
bne L0ED4
|
|
inc L096D
|
|
L0ED4: jmp L0E68
|
|
|
|
L0ED7: jsr L1109
|
|
rts
|
|
.endproc
|
|
|
|
.proc L0EDB ; ???
|
|
lda #250
|
|
sta L095B
|
|
lda #1
|
|
sta L095C
|
|
lda #3
|
|
sta line_pos::left
|
|
lda #0
|
|
sta line_pos::left+1
|
|
sta L095A
|
|
rts
|
|
.endproc
|
|
|
|
L0EF3: lda #$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 #' ' ; space character
|
|
bne L0F41
|
|
sty L0F9B
|
|
pha
|
|
lda L0945
|
|
sta L0946
|
|
pla
|
|
L0F41: cmp #$09
|
|
bne L0F48
|
|
jmp L0F9E
|
|
|
|
L0F48: tay
|
|
lda $8803,y
|
|
clc
|
|
adc L0F9C
|
|
sta L0F9C
|
|
bcc L0F58
|
|
inc L0F9D
|
|
L0F58: lda L095C
|
|
cmp L0F9D
|
|
bne L0F66
|
|
lda L095B
|
|
cmp L0F9C
|
|
L0F66: bcc L0F6E
|
|
inc text_string::len
|
|
jmp L0F10
|
|
|
|
L0F6E: lda #0
|
|
sta L095A
|
|
lda L0F9B
|
|
cmp #$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 ; tab character?
|
|
beq L0F96
|
|
cmp #$0D ; return character
|
|
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
|
|
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
|
|
|
|
;; copy a page of characters from $1300 to the buffer
|
|
ldy #0
|
|
loop: lda $1300,y
|
|
sta default_buffer,y
|
|
iny
|
|
bne loop
|
|
|
|
dec text_string::addr+1
|
|
lda text_string::addr
|
|
sta $06
|
|
lda text_string::addr+1
|
|
sta $07
|
|
L102B: lda #0
|
|
sta L0945
|
|
jsr L103E
|
|
lda read_params::buffer+1
|
|
cmp #$12 ; #>default_buffer?
|
|
bne L103D
|
|
inc read_params::buffer+1
|
|
L103D: rts
|
|
|
|
.proc L103E
|
|
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
|
|
.endproc
|
|
|
|
L1088: sec
|
|
lda text_box::width
|
|
sbc text_box::hoffset
|
|
sta window_width
|
|
lda text_box::width+1
|
|
sbc text_box::hoffset+1
|
|
sta window_width+1
|
|
sec
|
|
lda text_box::height
|
|
sbc text_box::voffset
|
|
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
|
|
|
|
.proc L10DF ; ???
|
|
ldx #$04
|
|
loop: clc
|
|
ror $07
|
|
ror $06
|
|
dex
|
|
bne loop
|
|
lda $06
|
|
rts
|
|
.endproc
|
|
|
|
.proc L10EC ; ???
|
|
sta $06
|
|
lda #$00
|
|
sta $07
|
|
ldx #$04
|
|
loop: clc
|
|
rol $06
|
|
rol $07
|
|
dex
|
|
bne loop
|
|
rts
|
|
.endproc
|
|
|
|
.proc L10FD
|
|
lda #<JUMP_TABLE_01
|
|
sta call_main_addr ; self-modified
|
|
lda #>JUMP_TABLE_01
|
|
sta call_main_addr+1
|
|
jsr call_main_trampoline
|
|
rts
|
|
.endproc
|
|
|
|
;;; 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 #7 ; 7 pixels/character
|
|
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_params::xcoord+1 ; mouse x high byte?
|
|
cmp mode_box_left+1
|
|
bne :+
|
|
lda mouse_params::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 ; ??
|
|
hoffset:.word 0
|
|
voffset:.word 0
|
|
width: .word 80
|
|
height: .word 10
|
|
.endproc
|
|
mode_box_left := mode_box::left ; forward refs to mode_box::left don't work?
|
|
;; https://github.com/cc65/cc65/issues/479
|
|
|
|
.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 A2D_TEXT_BOX2, 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 A2D_TEXT_BOX2, text_box
|
|
rts
|
|
.endproc
|