mirror of
https://github.com/mi57730/a2d.git
synced 2024-11-26 02:49:18 +00:00
1483 lines
38 KiB
ArmAsm
1483 lines
38 KiB
ArmAsm
.setcpu "6502"
|
|
|
|
.include "apple2.inc"
|
|
.include "../inc/ascii.inc"
|
|
.include "../inc/prodos.inc"
|
|
.include "../inc/auxmem.inc"
|
|
|
|
.include "../mgtk.inc"
|
|
.include "../desktop.inc" ; get/clear selection, font
|
|
|
|
.org $800
|
|
|
|
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 #sizeof_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
|
|
sizeof_call_main_template := * - call_main_template
|
|
|
|
.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
|
|
.faraddr 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: .res 64, $00
|
|
.endproc
|
|
|
|
L0945: .byte $00
|
|
L0946: .byte $00
|
|
L0947: .byte $00
|
|
L0948: .byte $00
|
|
L0949: .byte $00
|
|
|
|
params_end := * + 4 ; bug in original? (harmless as this is static)
|
|
;;; ----------------------------------------
|
|
|
|
black_pattern:
|
|
.res 8, $00
|
|
|
|
white_pattern:
|
|
.res $8, $FF
|
|
|
|
da_window_id := 100
|
|
|
|
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
|
|
|
|
.proc event_params
|
|
kind: .byte 0
|
|
coords: ; spills into target query
|
|
mousex: .word 0
|
|
mousey: .word 0
|
|
.endproc
|
|
|
|
.proc findwindow_params
|
|
which_area: .byte 0
|
|
window_id: .byte 0
|
|
.endproc
|
|
|
|
.proc growwindow_params
|
|
window_id: .byte da_window_id
|
|
mousex: .word 0
|
|
mousey: .word 0
|
|
it_grew: .byte 0
|
|
.endproc
|
|
|
|
.proc trackgoaway_params ; queried after close clicked to see if aborted/finished
|
|
goaway: .byte 0 ; 0 = aborted, 1 = clicked
|
|
.endproc
|
|
|
|
.byte 0,0 ; ???
|
|
|
|
.proc findcontrol_params ; queried after a client click to identify target
|
|
mousex: .word 0
|
|
mousey: .word 0
|
|
which_ctl: .byte 0 ; 0 = client, 1 = vscroll, 2 = hscroll
|
|
which_part: .byte 0 ; 1 = up, 2 = down, 3 = above, 4 = below, 5 = thumb
|
|
.endproc
|
|
|
|
;; param block used in dead code (resize?)
|
|
.proc setctlmax_params
|
|
which_ctl: .byte 0
|
|
ctlmax: .byte 0
|
|
;; needs one more byte?
|
|
.endproc
|
|
|
|
.proc updatethumb_params ; called to update scroll bar position
|
|
which_ctl: .byte 0 ; 1 = vscroll, 2 = hscroll
|
|
thumbpos: .byte 0 ; new position
|
|
.endproc
|
|
|
|
;;; Used when dragging vscroll thumb
|
|
.proc trackthumb_params
|
|
which_ctl: .byte 0 ; 1 = vscroll, 2 = hscroll
|
|
mousex: .word 0
|
|
mousey: .word 0
|
|
thumbpos: .byte 0 ; position
|
|
thumbmoved: .byte 0 ; 0 if not moved, 1 if moved
|
|
.endproc
|
|
|
|
.proc drawtext_params
|
|
textptr: .addr 0 ; address
|
|
textlen: .byte 0 ; length
|
|
.endproc
|
|
|
|
default_width := 512
|
|
default_height := 150
|
|
default_left := 10
|
|
default_top := 28
|
|
|
|
.proc winfo
|
|
window_id: .byte da_window_id ; window identifier
|
|
options: .byte MGTK::option_go_away_box; window flags (2=include close port)
|
|
title: .addr $1000 ; overwritten to point at filename
|
|
hscroll:.byte MGTK::scroll_option_none
|
|
vscroll:.byte MGTK::scroll_option_normal
|
|
hthumbmax: .byte 32
|
|
hthumbpos: .byte 0
|
|
vthumbmax: .byte 255
|
|
vthumbpos: .byte 0
|
|
status: .byte 0
|
|
reserved: .byte 0
|
|
mincontwidth: .word 200
|
|
mincontlength: .word 51
|
|
maxcontwidth: .word default_width
|
|
maxcontlength: .word default_height
|
|
|
|
port:
|
|
DEFINE_POINT default_left, default_top, viewloc
|
|
mapbits: .addr MGTK::screen_mapbits
|
|
mapwidth: .word MGTK::screen_mapwidth
|
|
DEFINE_RECT 0, 0, default_width, default_height, maprect
|
|
|
|
pattern:.res 8, $00
|
|
colormasks: .byte MGTK::colormask_and, MGTK::colormask_or
|
|
penloc: DEFINE_POINT 0, 0
|
|
penwidth: .byte 1
|
|
penheight: .byte 1
|
|
penmode: .byte 0
|
|
textback: .byte $7F
|
|
textfont: .addr DEFAULT_FONT
|
|
|
|
nextwinfo: .addr 0
|
|
.endproc
|
|
|
|
;; gets copied over winfo::port after mode is drawn
|
|
.proc default_port
|
|
viewloc: DEFINE_POINT default_left, default_top
|
|
mapbits: .word MGTK::screen_mapbits
|
|
mapwidth: .word MGTK::screen_mapwidth
|
|
maprect: DEFINE_RECT 0, 0, default_width, default_height
|
|
.endproc
|
|
|
|
.proc init
|
|
sta ALTZPON
|
|
lda LCBANK1
|
|
lda LCBANK1
|
|
|
|
;; Get filename by checking DeskTop selected window/icon
|
|
|
|
;; Check that an icon is selected
|
|
lda #0
|
|
sta pathname::length
|
|
lda file_selected
|
|
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
|
|
|
|
;; Get file entry.
|
|
: 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
|
|
|
|
;; Exit if a directory.
|
|
ldy #2 ; 2nd byte of entry
|
|
lda (src),y
|
|
and #$70 ; check that one of bits 4,5,6 is set ???
|
|
;; some vague patterns, but unclear
|
|
;; basic = $32,$33, text = $52, sys = $11,$14,??, bin = $23,$24,$33
|
|
;; dir = $01 (so not shown)
|
|
bne :+
|
|
rts ; abort ???
|
|
|
|
;; Set window title to point at filename (9th byte of entry)
|
|
;; (title includes the spaces before/after from the icon)
|
|
: clc
|
|
lda src ; name is 9 bytes into entry
|
|
adc #9
|
|
sta winfo::title
|
|
lda src+1
|
|
adc #0
|
|
sta winfo::title+1
|
|
|
|
;; Append filename to path.
|
|
ldy #9
|
|
lda (src),y ; grab length
|
|
tax ; name has spaces before/after
|
|
dex ; so subtract 2 to get actual length
|
|
dex
|
|
clc
|
|
lda src
|
|
adc #11 ; 9 = length, 10 = space, 11 = name
|
|
sta src
|
|
bcc :+
|
|
inc src+1
|
|
: jsr copy_pathname ; copy x bytes (src) to (dst)
|
|
|
|
;; Clear selection (why???)
|
|
lda #<JUMP_TABLE_CLEAR_SEL
|
|
sta call_main_addr
|
|
lda #>JUMP_TABLE_CLEAR_SEL
|
|
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
|
|
|
|
font_width_backup := $1100
|
|
|
|
.proc open_file_and_init_window
|
|
lda #0
|
|
sta fixed_mode_flag
|
|
|
|
;; make backup of font width table; overwritten if fixed
|
|
ldx font_size_count
|
|
sta RAMWRTOFF
|
|
loop: lda font_width_table - 1,x
|
|
sta font_width_backup - 1,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
|
|
MGTK_CALL MGTK::OpenWindow, winfo
|
|
MGTK_CALL MGTK::SetPort, winfo::port
|
|
jsr calc_window_size
|
|
jsr calc_and_draw_mode
|
|
jsr draw_content
|
|
MGTK_CALL MGTK::FlushEvents
|
|
;; fall through
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Main Input Loop
|
|
|
|
input_loop:
|
|
MGTK_CALL MGTK::GetEvent, event_params
|
|
lda event_params
|
|
cmp #1 ; was clicked?
|
|
bne input_loop ; nope, keep waiting
|
|
|
|
MGTK_CALL MGTK::FindWindow, event_params::coords
|
|
lda findwindow_params::window_id ; in our window?
|
|
cmp #da_window_id
|
|
bne input_loop
|
|
|
|
;; which part of the window?
|
|
lda findwindow_params::which_area
|
|
cmp #MGTK::area_close_box
|
|
beq on_close_click
|
|
|
|
;; title and resize clicks need mouse location
|
|
ldx event_params::mousex
|
|
stx growwindow_params::mousex
|
|
stx findcontrol_params::mousex
|
|
ldx event_params::mousex+1
|
|
stx growwindow_params::mousex+1
|
|
stx findcontrol_params::mousex+1
|
|
ldx event_params::mousey
|
|
stx growwindow_params::mousey
|
|
stx findcontrol_params::mousey
|
|
|
|
cmp #MGTK::area_dragbar
|
|
beq title
|
|
cmp #MGTK::area_grow_box ; not enabled, so this will never match
|
|
beq input_loop
|
|
jsr on_client_click
|
|
jmp input_loop
|
|
|
|
title: jsr on_title_bar_click
|
|
jmp input_loop
|
|
|
|
;;; ==================================================
|
|
;;; Close Button
|
|
|
|
.proc on_close_click
|
|
MGTK_CALL MGTK::TrackGoAway, trackgoaway_params
|
|
lda trackgoaway_params::goaway ; did click complete?
|
|
beq input_loop ; nope
|
|
jsr close_file
|
|
MGTK_CALL MGTK::CloseWindow, winfo
|
|
DESKTOP_CALL DT_REDRAW_ICONS
|
|
rts ; exits input loop
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Resize Handle
|
|
|
|
;;; This is dead code (no resize handle!) and may be buggy
|
|
.proc on_resize_click
|
|
MGTK_CALL MGTK::GrowWindow, growwindow_params
|
|
jsr redraw_screen
|
|
jsr calc_window_size
|
|
|
|
max_width := default_width
|
|
lda #>max_width
|
|
cmp winfo::maprect::x2+1
|
|
bne :+
|
|
lda #<max_width
|
|
cmp winfo::maprect::x2
|
|
: bcs wider
|
|
|
|
lda #<max_width
|
|
sta winfo::maprect::x2
|
|
lda #>max_width
|
|
sta winfo::maprect::x2+1
|
|
sec
|
|
lda winfo::maprect::x2
|
|
sbc window_width
|
|
sta winfo::maprect::x1
|
|
lda winfo::maprect::x2+1
|
|
sbc window_width+1
|
|
sta winfo::maprect::x1+1
|
|
wider: lda winfo::hscroll
|
|
ldx window_width
|
|
cpx #<max_width
|
|
bne enable
|
|
ldx window_width+1
|
|
cpx #>max_width
|
|
bne enable
|
|
and #(<~MGTK::scroll_option_active) ; disable scroll
|
|
jmp :+
|
|
|
|
enable: ora #MGTK::scroll_option_active ; enable scroll
|
|
|
|
: sta winfo::hscroll
|
|
sec
|
|
lda #<max_width
|
|
sbc window_width
|
|
sta $06
|
|
lda #>max_width
|
|
sbc window_width+1
|
|
sta $07
|
|
jsr div_by_16
|
|
sta setctlmax_params::ctlmax
|
|
lda #MGTK::ctl_horizontal_scroll_bar
|
|
sta setctlmax_params::which_ctl
|
|
MGTK_CALL MGTK::SetCtlMax, setctlmax_params ; change to clamped size ???
|
|
jsr calc_and_draw_mode
|
|
jmp finish_resize
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Client Area
|
|
|
|
;;; Non-title (client) area clicked
|
|
.proc on_client_click
|
|
;; On one of the scroll bars?
|
|
MGTK_CALL MGTK::FindControl, findcontrol_params
|
|
lda findcontrol_params::which_ctl
|
|
cmp #MGTK::ctl_vertical_scroll_bar
|
|
beq on_vscroll_click
|
|
cmp #MGTK::ctl_horizontal_scroll_bar
|
|
bne end
|
|
jmp on_hscroll_click
|
|
end: rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Vertical Scroll Bar
|
|
|
|
.proc on_vscroll_click
|
|
lda #MGTK::ctl_vertical_scroll_bar
|
|
sta trackthumb_params::which_ctl
|
|
sta updatethumb_params::which_ctl
|
|
lda findcontrol_params::which_part
|
|
cmp #MGTK::part_thumb
|
|
beq on_vscroll_thumb_click
|
|
cmp #MGTK::part_page_down
|
|
beq on_vscroll_below_click
|
|
cmp #MGTK::part_page_up
|
|
beq on_vscroll_above_click
|
|
cmp #MGTK::part_up_arrow
|
|
beq on_vscroll_up_click
|
|
cmp #MGTK::part_down_arrow
|
|
bne end
|
|
jmp on_vscroll_down_click
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_thumb_click
|
|
jsr do_trackthumb
|
|
lda trackthumb_params::thumbmoved
|
|
beq end
|
|
lda trackthumb_params::thumbpos
|
|
sta updatethumb_params::thumbpos
|
|
jsr update_voffset
|
|
jsr update_vscroll
|
|
jsr draw_content
|
|
lda L0947
|
|
beq end
|
|
lda L0949
|
|
bne end
|
|
jsr clear_window
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_above_click
|
|
loop: lda winfo::vthumbpos
|
|
beq end
|
|
jsr calc_track_scroll_delta
|
|
sec
|
|
lda winfo::vthumbpos
|
|
sbc track_scroll_delta
|
|
bcs store
|
|
lda #0 ; underflow
|
|
store: sta updatethumb_params::thumbpos
|
|
jsr update_scroll_pos
|
|
bcc loop ; repeat while button down
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_up_click
|
|
loop : lda winfo::vthumbpos
|
|
beq end
|
|
sec
|
|
sbc #1
|
|
sta updatethumb_params::thumbpos
|
|
jsr update_scroll_pos
|
|
bcc loop ; repeat while button down
|
|
end: rts
|
|
.endproc
|
|
|
|
vscroll_max := $FA
|
|
|
|
.proc on_vscroll_below_click
|
|
loop: lda winfo::vthumbpos
|
|
cmp #vscroll_max ; pos == max ?
|
|
beq end
|
|
jsr calc_track_scroll_delta
|
|
clc
|
|
lda winfo::vthumbpos
|
|
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 updatethumb_params::thumbpos
|
|
jsr update_scroll_pos
|
|
bcc loop ; repeat while button down
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_vscroll_down_click
|
|
loop: lda winfo::vthumbpos
|
|
cmp #vscroll_max
|
|
beq end
|
|
clc
|
|
adc #1
|
|
sta updatethumb_params::thumbpos
|
|
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 update_voffset
|
|
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
|
|
|
|
;;; ==================================================
|
|
;;; Horizontal Scroll Bar
|
|
;;; (Unused in STF DA, so most of this is speculation)
|
|
|
|
.proc on_hscroll_click
|
|
lda #MGTK::ctl_horizontal_scroll_bar
|
|
sta trackthumb_params::which_ctl
|
|
sta updatethumb_params::which_ctl
|
|
lda findcontrol_params::which_part
|
|
cmp #MGTK::part_thumb
|
|
beq on_hscroll_thumb_click
|
|
cmp #MGTK::part_page_right
|
|
beq on_hscroll_after_click
|
|
cmp #MGTK::part_page_left
|
|
beq on_hscroll_before_click
|
|
cmp #MGTK::part_left_arrow
|
|
beq on_hscroll_left_click
|
|
cmp #MGTK::part_right_arrow
|
|
beq on_hscroll_right_click
|
|
rts
|
|
.endproc
|
|
|
|
.proc on_hscroll_thumb_click
|
|
jsr do_trackthumb
|
|
lda trackthumb_params::thumbmoved
|
|
beq end
|
|
lda trackthumb_params::thumbpos
|
|
jsr mul_by_16
|
|
lda $06
|
|
sta winfo::maprect::x1
|
|
lda $07
|
|
sta winfo::maprect::x1+1
|
|
clc
|
|
lda winfo::maprect::x1
|
|
adc window_width
|
|
sta winfo::maprect::x2
|
|
lda winfo::maprect::x1+1
|
|
adc window_width+1
|
|
sta winfo::maprect::x2+1
|
|
jsr update_hscroll
|
|
jsr draw_content
|
|
end: rts
|
|
.endproc
|
|
|
|
.proc on_hscroll_after_click
|
|
ldx #2
|
|
lda winfo::hthumbmax
|
|
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 winfo::hthumbmax
|
|
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 winfo::hthumbpos
|
|
compare:cmp #$0A ; self-modified
|
|
bne continue
|
|
rts
|
|
continue:
|
|
clc
|
|
lda winfo::hthumbpos
|
|
delta: adc #1 ; self-modified
|
|
bmi overflow
|
|
cmp winfo::hthumbmax
|
|
beq store
|
|
bcc store
|
|
lda winfo::hthumbmax
|
|
jmp store
|
|
overflow:
|
|
lda #0
|
|
store: sta winfo::hthumbpos
|
|
jsr adjust_box_width
|
|
jsr update_hscroll
|
|
jsr draw_content
|
|
jsr was_button_released
|
|
bne loop
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; UI Helpers
|
|
|
|
;; Used at start of thumb event_kind_drag
|
|
.proc do_trackthumb
|
|
lda event_params::mousex
|
|
sta trackthumb_params::mousex
|
|
lda event_params::mousex+1
|
|
sta trackthumb_params::mousex+1
|
|
lda event_params::mousey
|
|
sta trackthumb_params::mousey
|
|
MGTK_CALL MGTK::TrackThumb, trackthumb_params
|
|
rts
|
|
.endproc
|
|
|
|
;;; Checks button state; z clear if button was released, set otherwise
|
|
.proc was_button_released
|
|
MGTK_CALL MGTK::GetEvent, event_params
|
|
lda event_params
|
|
cmp #2
|
|
rts
|
|
.endproc
|
|
|
|
;;; only used from hscroll code?
|
|
.proc adjust_box_width
|
|
lda winfo::hthumbpos
|
|
jsr mul_by_16
|
|
clc
|
|
lda $06
|
|
sta winfo::maprect::x1
|
|
adc window_width
|
|
sta winfo::maprect::x2
|
|
lda $07
|
|
sta winfo::maprect::x1+1
|
|
adc window_width+1
|
|
sta winfo::maprect::x2+1
|
|
rts
|
|
.endproc
|
|
|
|
.proc update_voffset
|
|
lda #0
|
|
sta winfo::maprect::y1
|
|
sta winfo::maprect::y1+1
|
|
ldx updatethumb_params::thumbpos
|
|
loop: beq adjust_box_height
|
|
clc
|
|
lda winfo::maprect::y1
|
|
adc #50
|
|
sta winfo::maprect::y1
|
|
bcc :+
|
|
inc winfo::maprect::y1+1
|
|
: dex
|
|
jmp loop
|
|
.endproc
|
|
|
|
.proc adjust_box_height
|
|
clc
|
|
lda winfo::maprect::y1
|
|
adc window_height
|
|
sta winfo::maprect::y2
|
|
lda winfo::maprect::y1+1
|
|
adc window_height+1
|
|
sta winfo::maprect::y2+1
|
|
jsr calc_line_position
|
|
lda #0
|
|
sta L096A
|
|
sta L096B
|
|
ldx updatethumb_params::thumbpos
|
|
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 updatethumb_params::which_ctl
|
|
lda winfo::maprect::x1
|
|
sta $06
|
|
lda winfo::maprect::x1+1
|
|
sta $07
|
|
jsr div_by_16
|
|
sta updatethumb_params::thumbpos
|
|
MGTK_CALL MGTK::UpdateThumb, updatethumb_params
|
|
rts
|
|
.endproc
|
|
|
|
.proc update_vscroll ; updatethumb_params::thumbpos set by caller
|
|
lda #1
|
|
sta updatethumb_params::which_ctl
|
|
MGTK_CALL MGTK::UpdateThumb, updatethumb_params
|
|
rts
|
|
.endproc
|
|
|
|
.proc finish_resize ; only called from dead code
|
|
DESKTOP_CALL DT_REDRAW_ICONS
|
|
MGTK_CALL MGTK::SetPort, winfo::port
|
|
lda winfo::hscroll
|
|
ror a ; check if low bit (track enabled) is set
|
|
bcc :+
|
|
jsr update_hscroll
|
|
: lda winfo::vthumbpos
|
|
sta updatethumb_params::thumbpos
|
|
jsr update_vscroll
|
|
jsr draw_content
|
|
jmp input_loop
|
|
.endproc
|
|
|
|
.proc clear_window
|
|
MGTK_CALL MGTK::SetPattern, white_pattern
|
|
MGTK_CALL MGTK::PaintRect, winfo::maprect::x1
|
|
MGTK_CALL MGTK::SetPattern, black_pattern
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Content Rendering
|
|
|
|
.proc draw_content
|
|
lda #0
|
|
sta L0949
|
|
jsr assign_fixed_font_width_table_if_needed
|
|
jsr set_file_mark
|
|
lda #<default_buffer
|
|
sta read_params::buffer
|
|
sta $06
|
|
lda #>default_buffer
|
|
sta read_params::buffer+1
|
|
sta $07
|
|
lda #0
|
|
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
|
|
|
|
do_line:
|
|
lda L096D
|
|
cmp L096B
|
|
bne :+
|
|
lda L096C
|
|
cmp L096A
|
|
bne :+
|
|
jsr clear_window
|
|
inc L0948
|
|
: MGTK_CALL MGTK::MoveTo, line_pos
|
|
sec
|
|
lda #250
|
|
sbc line_pos::left
|
|
sta L095B
|
|
lda #1
|
|
sbc line_pos::left+1
|
|
sta L095C
|
|
jsr find_text_run
|
|
bcs L0ED7
|
|
clc
|
|
lda drawtext_params::textlen
|
|
adc $06
|
|
sta $06
|
|
bcc :+
|
|
inc $07
|
|
: lda L095A
|
|
bne do_line
|
|
clc
|
|
lda line_pos::base
|
|
adc #$0A ; line spacing = 10
|
|
sta line_pos::base
|
|
bcc :+
|
|
inc line_pos::base+1
|
|
: jsr L0EDB
|
|
lda L096C
|
|
cmp L0968
|
|
bne :+
|
|
lda L096D
|
|
cmp L0969
|
|
beq L0ED7
|
|
: inc L096C
|
|
bne :+
|
|
inc L096D
|
|
: jmp do_line
|
|
|
|
L0ED7: jsr restore_proportional_font_table_if_needed
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
.proc L0EDB ; ???
|
|
lda #250
|
|
sta L095B
|
|
lda #1
|
|
sta L095C
|
|
lda #3
|
|
sta line_pos::left
|
|
lda #0
|
|
sta line_pos::left+1
|
|
sta L095A
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
.proc find_text_run
|
|
lda #$FF
|
|
sta L0F9B
|
|
lda #0
|
|
sta run_width
|
|
sta run_width+1
|
|
sta L095A
|
|
sta drawtext_params::textlen
|
|
lda $06
|
|
sta drawtext_params::textptr
|
|
lda $07
|
|
sta drawtext_params::textptr+1
|
|
|
|
loop: lda L0945
|
|
bne more
|
|
lda L0947
|
|
beq :+
|
|
jsr draw_text_run
|
|
sec
|
|
rts
|
|
|
|
: jsr ensure_page_buffered
|
|
more: ldy drawtext_params::textlen
|
|
lda ($06),y
|
|
and #$7F ; clear high bit
|
|
sta ($06),y
|
|
inc L0945
|
|
cmp #ASCII_RETURN
|
|
beq finish_text_run
|
|
cmp #' ' ; space character
|
|
bne :+
|
|
sty L0F9B
|
|
pha
|
|
lda L0945
|
|
sta L0946
|
|
pla
|
|
: cmp #ASCII_TAB
|
|
bne :+
|
|
jmp handle_tab
|
|
|
|
: tay
|
|
lda font_width_table,y
|
|
clc
|
|
adc run_width
|
|
sta run_width
|
|
bcc :+
|
|
inc run_width+1
|
|
: lda L095C
|
|
cmp run_width+1
|
|
bne :+
|
|
lda L095B
|
|
cmp run_width
|
|
: bcc :+
|
|
inc drawtext_params::textlen
|
|
jmp loop
|
|
|
|
: lda #0
|
|
sta L095A
|
|
lda L0F9B
|
|
cmp #$FF
|
|
beq :+
|
|
sta drawtext_params::textlen
|
|
lda L0946
|
|
sta L0945
|
|
: inc drawtext_params::textlen
|
|
;; fall through
|
|
.endproc
|
|
|
|
finish_text_run: jsr draw_text_run
|
|
ldy drawtext_params::textlen
|
|
lda ($06),y
|
|
cmp #ASCII_TAB
|
|
beq tab
|
|
cmp #ASCII_RETURN
|
|
bne :+
|
|
tab: inc drawtext_params::textlen
|
|
: clc
|
|
rts
|
|
|
|
;;; ==================================================
|
|
|
|
L0F9B: .byte 0
|
|
run_width: .word 0
|
|
|
|
.proc handle_tab
|
|
lda #1
|
|
sta L095A
|
|
clc
|
|
lda run_width
|
|
adc line_pos::left
|
|
sta line_pos::left
|
|
lda run_width+1
|
|
adc line_pos::left+1
|
|
sta line_pos::left+1
|
|
ldx #0
|
|
loop: lda times70+1,x
|
|
cmp line_pos::left+1
|
|
bne :+
|
|
lda times70,x
|
|
cmp line_pos::left
|
|
: bcs :+
|
|
inx
|
|
inx
|
|
cpx #14
|
|
beq done
|
|
jmp loop
|
|
: lda times70,x
|
|
sta line_pos::left
|
|
lda times70+1,x
|
|
sta line_pos::left+1
|
|
jmp finish_text_run
|
|
done: lda #0
|
|
sta L095A
|
|
jmp finish_text_run
|
|
|
|
times70:.word 70
|
|
.word 140
|
|
.word 210
|
|
.word 280
|
|
.word 350
|
|
.word 420
|
|
.word 490
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Draw a line of content
|
|
|
|
.proc draw_text_run
|
|
lda L0948
|
|
beq end
|
|
lda drawtext_params::textlen
|
|
beq end
|
|
MGTK_CALL MGTK::DrawText, drawtext_params
|
|
lda #1
|
|
sta L0949
|
|
end: rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
.proc ensure_page_buffered
|
|
lda drawtext_params::textptr+1
|
|
cmp #>default_buffer
|
|
beq read
|
|
|
|
;; copy a page of characters from $1300 to the buffer
|
|
ldy #0
|
|
loop: lda $1300,y
|
|
sta default_buffer,y
|
|
iny
|
|
bne loop
|
|
|
|
dec drawtext_params::textptr+1
|
|
lda drawtext_params::textptr
|
|
sta $06
|
|
lda drawtext_params::textptr+1
|
|
sta $07
|
|
|
|
read: lda #0
|
|
sta L0945
|
|
jsr read_file_page
|
|
lda read_params::buffer+1
|
|
cmp #>default_buffer
|
|
bne :+
|
|
inc read_params::buffer+1
|
|
: rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
.proc read_file_page
|
|
lda read_params::buffer
|
|
sta store+1
|
|
lda read_params::buffer+1
|
|
sta store+2
|
|
|
|
lda #' ' ; fill buffer with spaces
|
|
ldx #0
|
|
sta RAMWRTOFF
|
|
store: sta default_buffer,x ; self-modified
|
|
inx
|
|
bne store
|
|
|
|
sta RAMWRTON ; read file chunk
|
|
lda #$00
|
|
sta L0947
|
|
jsr read_file
|
|
|
|
pha ; copy read buffer main>aux
|
|
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
|
|
|
|
.proc calc_window_size
|
|
sec
|
|
lda winfo::maprect::x2
|
|
sbc winfo::maprect::x1
|
|
sta window_width
|
|
lda winfo::maprect::x2+1
|
|
sbc winfo::maprect::x1+1
|
|
sta window_width+1
|
|
|
|
sec
|
|
lda winfo::maprect::y2
|
|
sbc winfo::maprect::y1
|
|
sta window_height
|
|
;; fall through
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
.proc calc_line_position
|
|
lda winfo::maprect::y2
|
|
sta L0965
|
|
lda winfo::maprect::y2+1
|
|
sta L0966
|
|
|
|
lda #0
|
|
sta L0968
|
|
sta L0969
|
|
loop: lda L0966
|
|
bne :+
|
|
lda L0965
|
|
cmp #$0A ; line spacing = 10
|
|
bcc end
|
|
: sec
|
|
lda L0965
|
|
sbc #$0A ; line spacing = 10
|
|
sta L0965
|
|
bcs :+
|
|
dec L0966
|
|
: inc L0968
|
|
bne loop
|
|
inc L0969
|
|
jmp loop
|
|
end: rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
.proc div_by_16 ; input in $06/$07, output in a
|
|
ldx #4
|
|
loop: clc
|
|
ror $07
|
|
ror $06
|
|
dex
|
|
bne loop
|
|
lda $06
|
|
rts
|
|
.endproc
|
|
|
|
.proc mul_by_16 ; input in a, output in $06/$07
|
|
sta $06
|
|
lda #0
|
|
sta $07
|
|
ldx #4
|
|
loop: clc
|
|
rol $06
|
|
rol $07
|
|
dex
|
|
bne loop
|
|
rts
|
|
.endproc
|
|
|
|
.proc redraw_screen
|
|
lda #<JUMP_TABLE_REDRAW_ALL
|
|
sta call_main_addr
|
|
lda #>JUMP_TABLE_REDRAW_ALL
|
|
sta call_main_addr+1
|
|
jsr call_main_trampoline
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Restore the font glyph width table when switching
|
|
;;; back to proportional mode.
|
|
|
|
.proc restore_proportional_font_table_if_needed
|
|
lda fixed_mode_flag ; if not fixed (i.e. proportional)
|
|
beq done ; then exit
|
|
|
|
start := font_width_backup
|
|
end := font_width_backup + $7E
|
|
dest := font_width_table
|
|
|
|
lda #<start
|
|
sta STARTLO
|
|
lda #<end
|
|
sta ENDLO
|
|
lda #>start
|
|
sta STARTHI
|
|
sta ENDHI
|
|
|
|
lda #>dest
|
|
sta DESTINATIONHI
|
|
lda #<dest
|
|
sta DESTINATIONLO
|
|
sec ; main>aux
|
|
jsr AUXMOVE
|
|
done: rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Overwrite the font glyph width table (with 7s)
|
|
;;; when switching to fixed width mode.
|
|
|
|
.proc assign_fixed_font_width_table_if_needed
|
|
lda fixed_mode_flag ; if not fixed (i.e. proportional)
|
|
beq end ; then exit
|
|
ldx font_size_count
|
|
lda #7 ; 7 pixels/character
|
|
loop: sta font_width_table - 1,x
|
|
dex
|
|
bne loop
|
|
end: rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Title Bar (Proportional/Fixed mode button)
|
|
|
|
.proc on_title_bar_click
|
|
lda event_params::mousex+1 ; mouse x high byte?
|
|
cmp mode_box_left+1
|
|
bne :+
|
|
lda event_params::mousex
|
|
cmp mode_box_left
|
|
: bcc ignore
|
|
|
|
;; Toggle the state and redraw
|
|
lda fixed_mode_flag
|
|
beq set_flag
|
|
dec fixed_mode_flag ; clear flag (mode = proportional)
|
|
jsr restore_proportional_font_table_if_needed
|
|
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: DEFINE_STRING "Fixed "
|
|
prop_str: DEFINE_STRING "Proportional"
|
|
label_width := 50
|
|
title_bar_height := 12
|
|
.proc mode_box ; bounding port for mode label
|
|
left: .word 0
|
|
top: .word 0
|
|
mapbits: .word MGTK::screen_mapbits
|
|
mapwidth: .word MGTK::screen_mapwidth
|
|
hoff: .word 0
|
|
voff: .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 winfo::viewloc::ycoord
|
|
sbc #title_bar_height
|
|
sta mode_box::top
|
|
clc
|
|
lda winfo::viewloc::xcoord
|
|
adc window_width
|
|
pha
|
|
lda winfo::viewloc::xcoord+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
|
|
MGTK_CALL MGTK::SetPortBits, mode_box
|
|
MGTK_CALL MGTK::MoveTo, mode_pos
|
|
lda fixed_mode_flag
|
|
beq else ; is proportional?
|
|
MGTK_CALL MGTK::DrawText, fixed_str
|
|
jmp endif
|
|
else: MGTK_CALL MGTK::DrawText, prop_str
|
|
|
|
endif: ldx #$0F
|
|
loop: lda default_port,x
|
|
sta winfo::port,x
|
|
dex
|
|
bpl loop
|
|
MGTK_CALL MGTK::SetPortBits, winfo::port
|
|
rts
|
|
.endproc
|