mirror of
https://github.com/mi57730/a2d.git
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88 lines
3.2 KiB
PHP
88 lines
3.2 KiB
PHP
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;;; ==================================================
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;;; DeskTop Internals
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;;; ==================================================
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;;; ==================================================
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;;; Direct Calls
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;; These must be called from main memory (RAMRDOFF/RAMWRTOFF)
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JUMP_TABLE_03 := $4003 ; Enter DeskTop input loop
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JUMP_TABLE_06 := $4006 ; ???
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JUMP_TABLE_09 := $4009 ; ???
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JUMP_TABLE_0C := $400C ; ??? (made "items/in disk/..." redraw oddly)
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JUMP_TABLE_0F := $400F ; ???
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JUMP_TABLE_12 := $4012 ; ???
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JUMP_TABLE_REDRAW_ALL := $4015 ; Redraw all windows (e.g. after a drag)
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JUMP_TABLE_18 := $4018 ; ???
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JUMP_TABLE_CLEAR_SEL := $401E ; Clear DeskTop selection
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JUMP_TABLE_MLI := $4021 ; ProDOS MLI call (Y=call, X,A=params addr)
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JUMP_TABLE_24 := $4024 ; ???
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JUMP_TABLE_27 := $4027 ; ???
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JUMP_TABLE_2A := $402A ; Just an RTS
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JUMP_TABLE_2D := $402D ; Draw type/size/date in non-icon views
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JUMP_TABLE_30 := $4030 ; ???
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JUMP_TABLE_33 := $4033 ; Shows "The syntax of the pathname is invalid.", hangs
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JUMP_TABLE_36 := $4036 ; ditto
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JUMP_TABLE_CUR_POINTER := $4039 ; Changes mouse cursor to pointer
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JUMP_TABLE_CUR_WATCH := $403C ; Changes mouse cursor to watch
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JUMP_TABLE_3F := $403F ; ???
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;;; ==================================================
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DESKTOP := $8E00
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;; MLI-style call (jsr A2D ; .byte call ; .addr params)
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;; Call from AUX (RAMRDON/RAMWRTON)
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;; Implementation bounces to $93BC, uses jump table at $939E
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;;; This is the only known call:
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DESKTOP_REDRAW_ICONS := $0C ; Repaints desktop icons
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;; $0D used at start of drag-select, $09 at end (then another $0D)
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;;; ==================================================
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;;; Macros
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;;; Call a DESKTOP entry point:
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;;; DESKTOP_CALL n - params is $0000
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;;; DESKTOP_CALL n, params_addr
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;;; DESKTOP_CALL m, params_addr, label - params_addr is labeled for modifying
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.macro DESKTOP_CALL op, addr, label
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jsr DESKTOP
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.byte op
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.if .paramcount > 2
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label := *
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.endif
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.if .paramcount > 1
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.addr addr
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.else
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.addr 0
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.endif
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.endmacro
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;;; ==================================================
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;;; DeskTop Internals
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;; These are DeskTop internals, but it appears there is no
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;; API for getting the selected file.
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file_selected := $DF21 ; 0 if no selection, 1 otherwise
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path_index := $DF20 ; index of selected window (used to get prefix)
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path_table := $DFB3 ; window address table
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;; each entry is 65 bytes long
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;; length-prefixed path string (no trailing /)
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file_index := $DF22 ; index of selected file (global, not w/in window)
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file_table := $DD9F ; file address table
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;; each entry is 27 bytes long
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;; .byte ??
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;; .byte ??
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;; .byte type/icon (bits 4,5,6 clear = directory)
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;; .word iconx (pixels)
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;; .word icony (pixels)
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;; .byte ??
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;; .byte ??
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;; .byte len, name (length-prefixed, spaces before/after; 17 byte buffer)
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