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a2d/desktop.inc

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;;; ============================================================
;;; DeskTop Internals
;;; ============================================================
DA_LOAD_ADDRESS := $800
DA_MAX_SIZE := $1C00 - DA_LOAD_ADDRESS
;; I/O Buffer starts at MAIN $1C00
;; (but icon tables start at AUX $1B00)
;;; ============================================================
;;; Direct Calls (from main memory)
;;; * = Used by Desk Accessories
JUMP_TABLE_MAIN_LOOP := $4000 ; Enter DeskTop main loop
JUMP_TABLE_MGTK_RELAY := $4003 ; MGTK relay call (main>aux)
JUMP_TABLE_SIZE_STRING := $4006 ; Compose "nnn Blocks" string into internal buffer
JUMP_TABLE_DATE_STRING := $4009 ; Compose date string into internal buffer
JUMP_TABLE_0C := $400C ; ???
JUMP_TABLE_0F := $400F ; Auxload
JUMP_TABLE_EJECT := $4012 ; Eject command
JUMP_TABLE_REDRAW_ALL := $4015 ; Redraw all windows (e.g. after a drag) *
JUMP_TABLE_DESKTOP_RELAY:= $4018 ; DESKTOP relay call (main>aux)
JUMP_TABLE_LOAD_SEG := $401B ; Load dynamic routine
JUMP_TABLE_CLEAR_SEL := $401E ; Clear DeskTop selection *
JUMP_TABLE_MLI := $4021 ; ProDOS MLI call (Y=call, X,A=params addr) *
JUMP_TABLE_COPY_TO_BUF := $4024 ; Copy to buffer
JUMP_TABLE_COPY_FROM_BUF:= $4027 ; Copy from buffer
JUMP_TABLE_NOOP := $402A ; No-Op command (RTS)
JUMP_TABLE_2D := $402D ; ??? (Draw type/size/date in non-icon views?)
JUMP_TABLE_ALERT_0 := $4030 ; Show alert 0
JUMP_TABLE_ALERT_X := $4033 ; Show alert X
JUMP_TABLE_LAUNCH_FILE := $4036 ; Launch file
JUMP_TABLE_CUR_POINTER := $4039 ; Changes mouse cursor to pointer *
JUMP_TABLE_CUR_WATCH := $403C ; Changes mouse cursor to watch
JUMP_TABLE_RESTORE_SEG := $403F ; Restore from dynamic routine
;;; ============================================================
;;; API Calls (from aux memory)
;;; * = Used by Desk Accessories
DESKTOP := $8E00
;; MLI-style call (jsr DEKSTOP ; .byte call ; .addr params)
;; Call from AUX (RAMRDON/RAMWRTON)
;; Implementation bounces to $93BC, uses jump table at $939E
DT_ADD_ICON := $01 ; { .addr icondata }
DT_HIGHLIGHT_ICON := $02 ; { .byte icon }
DT_UNHIGHLIGHT_ICON := $03 ; { .byte icon }
;; $04 ???
;; $05 ???
;; $06 ???
DT_CLOSE_WINDOW := $07 ; { .byte window_id }
DT_FIND_ICON := $09 ; { .word mousex, .word mousey, .byte result }
;; $0A ???
;; $0B ???
DT_REDRAW_ICONS := $0C ; Repaints desktop icons *
DT_ICON_IN_RECT := $0D ; { .byte icon, rect bounds }
;;; Call a DESKTOP entry point:
;;; DESKTOP_CALL n - params is $0000
;;; DESKTOP_CALL n, params_addr
;;; DESKTOP_CALL m, params_addr, label - params_addr is labeled for modifying
.macro DESKTOP_CALL op, addr, label
jsr DESKTOP
.byte op
.if .paramcount > 2
label := *
.endif
.if .paramcount > 1
.addr addr
.else
.addr 0
.endif
.endmacro
;;; ============================================================
;;; Relays from Main to Aux (params must be in ZP or LC)
MGTK_RELAY := $D000
DESKTOP_RELAY := $D040
.macro MGTK_RELAY_CALL call, addr
.if .paramcount > 1
yax_call MGTK_RELAY, (call), (addr)
.else
yax_call MGTK_RELAY, (call), 0
.endif
.endmacro
.macro DESKTOP_RELAY_CALL call, addr
.if .paramcount > 1
yax_call DESKTOP_RELAY, (call), (addr)
.else
yax_call DESKTOP_RELAY, (call), 0
.endif
.endmacro
;;; ============================================================
;;; Internals - Windows (paths) and Icons (files)
;;; NOTE: Some of these are used by Desk Accessories
;;; These are DeskTop internals, but it appears there is no
;;; API for getting the selected file.
selected_file_count := $DF21
path_index := $DF20 ; index of selected window (used to get prefix)
path_table := $DFB3 ; window address table
;;; each entry is 65 bytes long
;;; length-prefixed path string (no trailing /)
selected_file_list := $DF22 ; indexes of selected file (global, not w/in window, up to 127)
file_table := $DD9F ; file address table
;;; Icon (file/volume) entries - length 27 bytes, maximum of 127
;;; .byte icon icon index
;;; .byte ??
;;; .byte type/window_id
;;; (bits 0-3 window_id)
;;; (bits 4,5,6)
;;; 000 = directory
;;; 001 = system
;;; 010 = binary
;;; 011 = basic
;;; 100 = (unused)
;;; 101 = text/generic
;;; 110 = (unused)
;;; 111 = trash
;;; (bit 7 = open flag)
;;; .word iconx (pixels)
;;; .word icony (pixels)
;;; .addr iconbits (addr of {mapbits, mapwidth, reserved, maprect})
;;; .byte len (name length + 2)
;;; .res 17 name (name, with a space before and after)
icon_entry_offset_index := 0
icon_entry_offset_state := 1
icon_entry_offset_win_type := 2
icon_entry_offset_iconx := 3
icon_entry_offset_icony := 5
icon_entry_offset_iconbits := 7
icon_entry_offset_len := 9
icon_entry_offset_name := 10
icon_entry_name_bufsize := 17
icon_entry_size := 27
max_icon_count := 127
icon_entry_open_mask := %10000000
icon_entry_type_mask := %01110000
icon_entry_winid_mask := %00001111
icon_entry_type_dir := %00000000
icon_entry_type_sys := %00010000
icon_entry_type_bin := %00100000
icon_entry_type_bas := %00110000
icon_entry_type_txt := %01010000
icon_entry_type_trash := %01110000
;;; ============================================================
;;; Internals - Default Font
;;; Used by DAs for window definitions
DEFAULT_FONT := $8800
;;; Modified by Show Text File DA to toggle fixed width
font_flag := $8800 ; = $00 - if high bit set, glyphs are 2 bytes wide
font_last_char := $8801 ; = $7F - max glyph number (count is this + 1)
font_height := $8802 ; 9 pixels
font_width_table := $8803 ; width in pixels, indexed by ASCII code
font_glyphs := $8883 ; $80 glyphs, organized by row, 9 bytes per
;;; Control Character Glyphs
;;;
;;; Glyphs $00-$1F are useful symbols; some overlap with MouseText
;;; (called out as MT:X in the table below)
;;;
;;; $00 = space $10 = TM left
;;; $01 = folder left (MT:X) $11 = TM right
;;; $02 = folder right (MT:Y) $12 = pound
;;; $03 = hourglass (MT:C) $13 = pi
;;; $04 = insertion pt $14 = divide
;;; $05 = pointer (MT:B) $15 = rarrow (MT:U)
;;; $06 = vbar (MT:_) $16 = tri
;;; $07 = hbar (MT:S) $17 = open circ
;;; $08 = larrow $18 = close (MT:])
;;; $09 = left box $19 = gray odd (MT:W)
;;; $0A = darrow (MT:J) $1A = gray even (MT:V)
;;; $0B = uarrow (MT:K) $1B = solid circ
;;; $0C = right box $1C = inv check (MT:E)
;;; $0D = return (MT:M) $1D = check (MT:D)
;;; $0E = (C) $1E = solid apple (MT:@)
;;; $0F = (R) $1F = open apple (MT:A)
GLYPH_LARROW := $09
GLYPH_RARROW := $15
GLYPH_UARROW := $0B
GLYPH_DARROW := $0A
GLYPH_RETURN := $0D
GLYPH_OAPPLE := $1F
GLYPH_SAPPLE := $1E
;;; Menu (by default) uses:
;;; Solid Mod $1E
;;; Open Mod $1F
;;; Check $1D
;;; Control $01
;;; Inactive $7F
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