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desktop.inc
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;;; ============================================================
;;; DeskTop Internals
;;; ============================================================
screen_width = 560
screen_height = 192
;;; ============================================================
VERSION_MAJOR = 1
VERSION_MINOR = 2
.define VERSION_SUFFIX "-alpha8"
.define RELEASE_DATE "July 30, 2019"
DA_FILE_TYPE = $F1
DA_Aux_TYPE = $640 ; High bit set = don't show in Apple menu
APP_FILE_TYPE = $01 ; FT_SYS w/ ".SYSTEM" (FT_BAD mapped to FT_TYPELESS)
max_desk_acc_count = 12
INVOKER := $290 ; Invoke other programs
INVOKER_FILENAME := $280 ; File to invoke (PREFIX must be set)
;;; Desk Accessories are loaded in Main ($800-$1BFF) using
;;; an I/O buffer (Main $1C00-1FFF). DAs often copy themselves
;;; into Aux but can only use $800-$1AFF due to icon tables.
DA_LOAD_ADDRESS := $800 ; Loaded into Main
DA_IO_BUFFER := $1C00 ; ...through $1FFF
DA_MAX_SIZE = DA_IO_BUFFER - DA_LOAD_ADDRESS
;;; Scratch area (in Aux) used during modal operations:
;;; * Given to MGTK to save background when menus are shown
;;; * Used by DeskTop to save background when alert dialog shown
;;; * Used by DeskTop to store icon outline polygons during drag
SAVE_AREA_BUFFER := $800 ; through $1AFF
SAVE_AREA_SIZE = $1300
;;; Memory in Aux - $80 bytes for desktop and 8 windows. First byte is a
;;; count, up to 127 icon entries. $1F80-$1FFF is a map of used/free icon
;;; numbers.
WINDOW_ICON_TABLES := $1B00
;; Quit routine signature/data
copied_to_ramcard_flag := $D3FF
ramcard_prefix := $D3EE
desktop_orig_prefix := $D3AD
;;; ============================================================
;;; 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_SELECT_WINDOW:= $400C ; Select and refresh given window
JUMP_TABLE_AUXLOAD := $400F ; Auxload
JUMP_TABLE_EJECT := $4012 ; Eject command
JUMP_TABLE_REDRAW_ALL := $4015 ; Redraw all windows (e.g. after a drag) *
JUMP_TABLE_ITK_RELAY := $4018 ; Icon ToolKit relay call (main>aux)
JUMP_TABLE_LOAD_OVL := $401B ; Load overlay 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_FILE_TYPE_STRING := $402D ; Compose file type string into internal buffer
JUMP_TABLE_ALERT_0 := $4030 ; Show alert (A=err code, default options)
JUMP_TABLE_ALERT_X := $4033 ; Show alert X (A=err code, X=options)
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_OVL := $403F ; Restore from overlay routine
JUMP_TABLE_COLOR_MODE := $4042 ; Set DHR color mode (IIgs, AppleColor, Le Chat Mauve) *
JUMP_TABLE_MONO_MODE := $4045 ; Set DHR mono mode (IIgs, AppleColor, Le Chat Mauve) *
JUMP_TABLE_RESTORE_SYS := $4048 ; Exit DHR, restore devices and /RAM, bank in ROM and ZP. *
;;; ============================================================
;;; Error codes used for alerts which are not ProDOS errors
ERR_DUPLICATE_VOL_NAME = $F9
ERR_FILE_NOT_OPENABLE = $FA
ERR_NAME_TOO_LONG = $FB
ERR_INSERT_SRC_DISK = $FC
ERR_INSERT_DST_DISK = $FD
ERR_BASIC_SYS_NOT_FOUND = $FE
;;; ============================================================
;;; Icon ToolKit Calls (from aux memory)
.scope IconTK
;;; * = Used by Desk Accessories
MLI := $8E00
;; MLI-style call (jsr IconTK::MLI ; .byte call ; .addr params)
;; Call from Aux (RAMRDON/RAMWRTON)
ADD_ICON = $01 ; { .addr icondata }
HIGHLIGHT_ICON = $02 ; { .byte icon }
REDRAW_ICON = $03 ; { .byte icon }
REMOVE_ICON = $04 ; { .byte icon }
HIGHLIGHT_ALL = $05 ; { .byte window_id }
REMOVE_ALL = $06 ; { .byte window_id }
CLOSE_WINDOW = $07 ; { .byte window_id }
GET_HIGHLIGHTED = $08 ; { .res 20 }
FIND_ICON = $09 ; { .word mousex, .word mousey, .byte result }
DRAG_HIGHLIGHTED = $0A ; { .byte param }
; Input: specific icon being dragged
; Output: 0 = on desktop (no-op)
; hi bit clear: low bits are target icon
; hi bit set: low bits are target window
UNHIGHLIGHT_ICON = $0B ; { .addr iconentry }
REDRAW_ICONS = $0C ; Repaints desktop icons *
ICON_IN_RECT = $0D ; { .byte icon, rect bounds }
ERASE_ICON = $0E ; { .byte icon }
;;; `icon` is the icon number, i.e. first field in icon entry
;;; `icon_index` is the index in the icon table
.endscope ; IconTK
;;; Call a IconTK entry point:
;;; ITK_CALL n - params is $0000
;;; ITK_CALL n, params_addr
;;; ITK_CALL m, params_addr, label - params_addr is labeled for modifying
.macro ITK_CALL op, addr, label
jsr IconTK::MLI
.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
ITK_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 ITK_RELAY_CALL call, addr
.if .paramcount > 1
yax_call ITK_RELAY, (call), (addr)
.else
yax_call ITK_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
last_menu_click_params := $E23D
;;; Icon (file/volume) entries - length 27 bytes, maximum of 127
;;; .byte icon icon index
;;; .byte state $80 = highlighted, 0 = otherwise
;;; .byte type/window_id
;;; (bits 0-3 window_id)
;;; (bits 4,5,6)
;;; 000 = directory
;;; 001 = system
;;; 010 = binary (maybe runnable)
;;; 011 = basic
;;; 100 = (unused)
;;; 101 = data (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)
.struct IconEntry
id .byte ; 0
state .byte ; 1
win_type .byte ; 2
iconx .word ; 3
icony .word ; 5
iconbits .addr ; 7
len .byte ; 9
name .res 17 ; 10 (15 chars plus leading/trailing spaces)
.endstruct
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_system = %00010000
icon_entry_type_binary = %00100000
icon_entry_type_basic = %00110000
icon_entry_type_generic = %01010000
icon_entry_type_trash = %01110000
;;; ============================================================
;;; Internals - Default Font
;;; Used by DAs for window definitions
DEFAULT_FONT := $8800
;;; 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 (MT:H) $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_FOLDERL = $01
GLYPH_FOLDERR = $02
GLYPH_SPC = $00
GLYPH_INSPT = $06
GLYPH_LARROW = $08
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
;;; ============================================================
;;; Internals - miscellaneous structures
.struct IconDefinition
;; First part is MGTK::MapInfo without leading viewloc
mapbits .addr ; address of bitmap bits
mapwidth .byte ; stride of bitmap bits
reserved .byte ; 0
maprect .tag MGTK::Rect ; x1,y1 must be 0,0
;; Next part is address of mask bits; must be same
;; dimensions as rect of icon.
maskbits .addr
.endstruct
.macro DEFICON mapbits, mapwidth, dx, dy, maskbits
;; First part is MGTK::MapInfo without leading viewloc
.addr mapbits
.byte mapwidth
.byte 0 ; reserved
.word 0, 0, dx, dy ; maprect
;; Next part is link to mask
.addr maskbits
.endmacro
.struct FileRecord
name .res 16
file_type .byte ; 16 $10
blocks .word ; 17 $11
creation_date .word ; 19 $13
creation_time .word ; 21 $15
modification_date .word ; 23 $17
modification_time .word ; 25 $19
access .byte ; 27 $1B
header_pointer .word ; 28 $1C
aux_type .word ; 30 $1E
.endstruct
;;; ============================================================
;;; Internals - Settings (modified by Control Panel)
DESKTOP2_SETTINGS_OFFSET = $A700
.scope DeskTop
.scope Settings
address := $FF80
length = $80
pattern := $FF80 ; .res 8
dblclick_speed := $FF88 ; .word
kDefaultDblClickSpeed = $12C
ip_blink_speed := $FF8A ; .byte
kDefaultIPBlinkSpeed = 60
.endscope
.endscope