mirror of
https://github.com/mi57730/a2d.git
synced 2024-09-03 14:29:04 +00:00
553 lines
19 KiB
PHP
553 lines
19 KiB
PHP
;;; ==================================================
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;;; A2Desktop
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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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;; Relay for A2D call (Y=call, X,A=params addr)
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A2D_RELAY := $D000
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;;; ==================================================
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;;; A2D Calls
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A2D := $4000
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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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;;; $40E5,(call*2) is the jump table used for processing these calls
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;;; $4184,(call*2) defines param blocks input length
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;;; if >=0, is length of param block
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;;; if <0, and with $7E to get length
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;;; if $4185,(call*2) is non-zero, param block is copied.
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A2D_QUERY_SCREEN := $03 ; Get screen state
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;; (input length 0 bytes)
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;; (output length 35 bytes - NOT 36)
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;; .word left
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;; .word top
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;; .addr addr A2D_SCREEN_ADDR
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;; .word stride A2D_SCREEN_STRIDE
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;; .word hoffset
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;; .word voffset
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;; .word width 560-1
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;; .word height 192-1
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;; .res 8 pattern
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;; .byte mskand AND mask, default $FF
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;; .byte mskor ORA mask, default $00
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;; .byte 0,0,0,0 ???
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;; .byte hthick horizontal pen thickness
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;; .byte vthick vertical pen thickness
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;; .byte 0 ??? fill mode?
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;; .byte tmsk AND mask for text, default $7F
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;; .addr font A2D_DEFAULT_FONT
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A2D_SET_STATE := $04 ; Set full drawing state
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;; (input length 36 bytes)
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;; .word left pixels from screen edge
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;; .word top
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;; .addr addr A2D_SCREEN_ADDR
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;; .word stride A2D_SCREEN_STRIDE
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;; .word hoffset pixels scrolled
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;; .word voffset
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;; .word width pixels
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;; .word height
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;; .res 8 pattern
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;; .byte mskand AND mask, default $FF
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;; .byte mskor ORA mask, default $00
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;; .byte 0,0,0,0 ???
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;; .byte hthick horizontal pen thickness
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;; .byte vthick vertical pen thickness
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;; .byte 0 ??? fill mode?
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;; .byte tmsk AND mask for text, default $7F
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;; .addr font A2D_DEFAULT_FONT
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;; $05 used in DeskTop but not DAs - icon click
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;; (input length 0 bytes)
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A2D_SET_BOX := $06 ; Set just the drawing box, subset of full state
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;; (input length 16 bytes)
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;; .word left pixels from screen edge
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;; .word top
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;; .addr addr A2D_SCREEN_ADDR ($2000)
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;; .word stride A2D_SCREEN_STRIDE ($80)
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;; .word hoffset pixels scrolled
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;; .word voffset
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;; .word width pixels
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;; .word height
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A2D_SET_FILL_MODE := $07
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;; (input length 1 byte)
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;; .byte mode 0 = normal, 6 = xor (<4, >=4)
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A2D_SET_PATTERN := $08
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;; (input length 8 bytes)
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;; .res 8 pattern 8x8 pixel pattern for A2D_FILL_RECT calls
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;; (TODO: Is there an output???)
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A2D_SET_THICKNESS := $0A
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;; (input length 2 bytes)
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;; .byte hthick horizontal pen thickness
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;; .byte vthick vertical pen thickness
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A2D_SET_TEXT_MASK := $0C ; Stored to background before XORing glyph
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;; (input length 1 byte)
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;; .byte mask
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A2D_SET_POS := $0E ; Start of subsequent DRAW_TEXT, DRAW_LINE
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;; (input length 4 bytes)
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;; .word xcoord
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;; .word ycoord
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A2D_DRAW_LINE := $0F ; Draw line (from SET_POS)
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;; $0F used in puzzle
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;; (input length 4 bytes)
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;; .word xdelta signed, delta in pixels
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;; .word ydelta
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A2D_FILL_RECT := $11 ; Fill rectangle with selected simple pattern/thickness
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;; (input length 8 bytes)
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;; .word left (includes scroll pos)
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;; .word top
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;; .word right pixels
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;; .word bottom
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A2D_DRAW_RECT := $12 ; Draw rectangle with selected simple pattern/thickness
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;; (input length 8 bytes)
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;; .word left pixels
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;; .word top
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;; .word right
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;; .word bottom
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A2D_TEST_BOX := $13 ; Is pos (via SET_POS) in bounds? Returns true/false in A
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;; (input length 8 bytes)
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;; .word left
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;; .word top
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;; .word right
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;; .word bottom
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A2D_DRAW_BITMAP := $14 ; Draw pattern
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;; (input length 16 bytes)
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;; .word left
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;; .word top
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;; .addr bitmap bitmap is 7 bits per byte, 0 = black, 1 = white
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;; .byte stride bitmap width in bytes
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;; .byte 0 ???
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;; .word hoffset offset within bitmap definition
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;; .word voffset
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;; .word width pixels
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;; .word height pixels
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;; $15 used in DeskTop but not DAs - icon redraw
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;; (input length 0 bytes)
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;; $16 used in DeskTop but not DAs - desktop icon drag
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;; (input length 0 bytes)
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;; $17 used in DeskTop but not DAs - maybe selection drag
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;; (input length 0 bytes)
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A2D_MEASURE_TEXT := $18 ; Measure the width of a string in pixels
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;; (input length 3 bytes)
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;; .addr data
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;; .byte length
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;; .word width result in pixels
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A2D_DRAW_TEXT := $19 ; Drawn at last SET_POS as left, baseline
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;; (input length 3 bytes)
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;; .addr data
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;; .byte length
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A2D_CONFIGURE_ZP_USE := $1A ; Configure ZP usage by API (speed vs. convenience)
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;; (input length 1 byte)
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;; .byte flag (AWS_CZP_*; high bit set = preserve ZP during calls)
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A2D_SET_CURSOR := $24 ; Change cursor pattern
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;; (input not copied)
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;; .res 24 bitmap 2x12 byte bitmap
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;; .res 24 mask 2x12 byte mask
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;; .byte hotx hotspot coords
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;; .byte hoty
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A2D_SHOW_CURSOR := $25
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;; (no parameters; pass $0000 as address)
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A2D_HIDE_CURSOR := $26
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;; (no parameters; pass $0000 as address)
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A2D_GET_INPUT := $2A
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;; (input length 0 bytes)
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;; (output length 5 bytes)
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;; .byte state (A2D_INPUT_*)
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;; if state is A2D_INPUT_KEY:
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;; .byte key (ASCII code; high bit clear)
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;; .byte modifiers (0=none, 1=open-apple, 2=closed-apple, 3=both)
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;; if state otherwise:
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;; .word xcoord
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;; .word ycoord
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A2D_UNK_2B := $2B ; Unknown - possibly "reset drawing state"
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;; (no parameters; pass $0000 as address)
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;; $2C used in DeskTop but not DAs - icon drag
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;; (input length 0 bytes)
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A2D_SET_INPUT := $2D ; Set pending input state (mouse or keyboard)
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;; (input length 5 bytes)
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;; .byte state A2D_INPUT_*
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;; if state is A2D_INPUT_KEY:
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;; .byte key ASCII code; high bit clear
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;; .byte modifiers 0=none, 1=open-apple, 2=closed-apple, 3=both
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;; if state otherwise:
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;; .word xcoord
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;; .word ycoord
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A2D_CREATE_WINDOW := $38
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;; (input not copied)
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;; .byte id 0 = desktop, 1-...n = DeskTop windows, DAs use 51, 52, 100
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;; .byte flags A2D_CWF_*
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;; .addr title
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;; .byte hscroll A2D_CWS_*
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;; .byte vscroll A2D_CWS_*
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;; .byte hsmax
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;; .byte hspos
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;; .byte vsmax
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;; .byte vspos
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;; .byte ???
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;; .byte ???
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;; .word width_a ??? possibly size of scroll area within window of scroll area?
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;; .word height_a ???
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;; .word width_b (of scroll area?)
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;; .word height_b (of scroll area?)
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;; - next section is identical to that for A2D_SET_STATE
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;; .word left pixels from screen edge
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;; .word top
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;; .word screen_addr
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;; .word screen_stride
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;; .word hoffset pixels scrolled
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;; .word voffset
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;; .word width pixels
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;; .word height
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;; .res 8 pattern
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;; .byte mskand AND mask, default $FF
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;; .byte mskor ORA mask, default $00
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;; .byte 0,0,0,0 ???
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;; .byte hthick
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;; .byte vthick
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;; .byte 0 ??? fill mode?
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;; .byte tmsk AND mask for text, default $7F
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;; .addr font A2D_DEFAULT_FONT
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;; .addr next address of next lower window in stack (filled in by call)
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A2D_DESTROY_WINDOW := $39
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;; (input length 1 byte)
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;; .byte id
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;; $3B used in DeskTop but not DAs - triggered by dragging window near right edge
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;; (input length 1 byte)
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A2D_QUERY_STATE := $3C ; get drawing state of window
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;; (input length 3 bytes)
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;; .byte id window
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;; .addr state state definition to populate, like A2D_SET_STATE
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A2D_QUERY_TARGET := $40
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;; (input length 4 bytes)
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;; .word queryx relative to screen
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;; .word queryy
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;; .byte element A2D_ELEM_*
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;; .byte id of window
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;; $41 used in DeskTop but not DAs - icon in window drop
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;; (input length 0 bytes)
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A2D_CLOSE_CLICK := $43
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;; (input length 0 bytes)
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;; .byte clicked 0 = cancelled, 1 = clicked
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;; .byte ??
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;; .byte ??
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A2D_DRAG_WINDOW := $44
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;; (input length 5 bytes)
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;; .byte id window
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;; .word xcoord mouse coords
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;; .word ycoord
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;; .byte moved high bit set if moved, clear if not
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A2D_DRAG_RESIZE := $45
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;; (input length 5 bytes)
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;; .byte id window
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;; .word xcoord mouse coords
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;; .word ycoord
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;; .byte ?? likely: moved? 0 = no change, 1 = moved
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A2D_MAP_COORDS := $46 ; Map screen coords to client coords
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;; (input length 5 bytes)
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;; .byte window_id
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;; .word screenx
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;; .word screeny
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;; .word clientx
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;; .word clienty
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A2D_QUERY_CLIENT:= $48
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;; (input length 4 bytes)
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;; .word xcoord
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;; .word ycoord
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;; .byte part A2D_CLIENT, A2D_HSCROLL or A2D_VSCROLL
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;; .byte scroll A2D_SCROLL_PART_*
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A2D_RESIZE_WINDOW := $49 ; ???
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;; (input length 3 bytes)
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;; .byte ??? maybe part (i.e. HSCROLL or VSCROLL) ???
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;; .byte ??? width fraction ??
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;; .byte ???
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A2D_DRAG_SCROLL := $4A
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;; (input length 5 bytes)
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;; .byte type A2D_HSCROLL or A2D_VSCROLL
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;; .word mouse xcoord
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;; .word mouse ycoord
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;; .byte position 0...255
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;; .byte moved 0 = no change, 1 = moved
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A2D_UPDATE_SCROLL:= $4B
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;; (input length 3 bytes)
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;; .byte type A2D_HSCROLL or A2D_VSCROLL
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;; .byte pos new position 0...250
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;; .byte ???
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;;; $4E looks like last call
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;;; ==================================================
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;;; Constants
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;;; Used in A2D_QUERY_STATE / A2D_SET_BOX
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A2D_SCREEN_ADDR := $2000 ; Screen address
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A2D_SCREEN_STRIDE := $80 ; Stride in bytes (???)
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;;; Used in A2D_GET_INPUT
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A2D_INPUT_NONE := 0 ; No mouse or keypress
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A2D_INPUT_DOWN := 1 ; Mouse button was depressed
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A2D_INPUT_UP := 2 ; Mouse button was released
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A2D_INPUT_KEY := 3 ; Key was pressed
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A2D_INPUT_HELD := 4 ; Mouse button still down
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;;; Used in A2D_GET_MOUSE
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A2D_ELEM_DESKTOP:= 0
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A2D_ELEM_MENU := 1
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A2D_ELEM_CLIENT := 2 ; Includes scroll bars
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A2D_ELEM_TITLE := 3
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A2D_ELEM_RESIZE := 4
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A2D_ELEM_CLOSE := 5
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;;; Used in A2D_QUERY_CLIENT, A2D_DRAG_SCROLL, A2D_UPDATE_SCROLL
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A2D_CLIENT := 0
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A2D_VSCROLL := 1
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A2D_HSCROLL := 2
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;;; Used in A2D_QUERY_CLIENT
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A2D_SCROLL_PART_UP := 1
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A2D_SCROLL_PART_LEFT := 1
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A2D_SCROLL_PART_DOWN := 2
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A2D_SCROLL_PART_RIGHT := 2
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A2D_SCROLL_PART_ABOVE := 3
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A2D_SCROLL_PART_BEFORE := 3
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A2D_SCROLL_PART_BELOW := 4
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A2D_SCROLL_PART_AFTER := 4
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A2D_SCROLL_PART_THUMB := 5
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;;; Used in A2D_SET_FILL_MODE
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A2D_SFM_NORMAL := 0
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A2D_SFM_XOR := 6
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;;; Used in A2D_CREATE_WINDOW
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A2D_CWF_NOTITLE := 1 << 0
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A2D_CWF_ADDCLOSE := 1 << 1
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A2D_CWF_ADDRESIZE := 1 << 2
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A2D_CWS_NOSCROLL := 0
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A2D_CWS_SCROLL_ENABLED := 1 << 7
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A2D_CWS_SCROLL_THUMB := 1 << 6
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A2D_CWS_SCROLL_TRACK := 1 << 0
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A2D_CWS_SCROLL_NORMAL := A2D_CWS_SCROLL_ENABLED | A2D_CWS_SCROLL_THUMB | A2D_CWS_SCROLL_TRACK
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;;; Used in A2D_CONFIGURE_ZP_USE
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A2D_CZP_PRESERVE := 1<<7
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A2D_CZP_OVERWRITE := 0
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;;; Used in various state blocks
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A2D_DEFAULT_MSKAND := $FF
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A2D_DEFAULT_MSKOR := $00
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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 an A2D entry point:
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;;; A2D_CALL n - params is $0000
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;;; A2D_CALL n, params_addr
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;;; A2D_CALL m, params_addr, label - params_addr is labeled for modifying
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.macro A2D_CALL op, addr, label
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jsr A2D
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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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;;; Same as above, but for DESKTOP
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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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.macro A2D_DEFSTRING str, label ; String definition, for use with A2D_TEXT
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.local data ; Call as A2D_DEFSTRING "abc"
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.local end ; Can include control chars by using:
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.addr data ; A2D_DEFSTRING {"abc",$0D,"def"}
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.if .paramcount > 1
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label:
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.endif
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.byte end - data
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data: .byte str
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end:
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.endmacro
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.macro PASCAL_STRING str ; Length-prefixed string
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.local data ; Can include control chars by using:
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.local end ; A2D_DEFSTRING {"abc",$0D,"def"}
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.byte end - data
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data: .byte str
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end:
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.endmacro
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;;; Define pattern for A2D_DRAW_BITMAP - low 7 bits are reversed
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;;; e.g. .byte px(%1000000)
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;;; px() has high bit clear, PX() has high bit set
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.define px(bits) (((bits&$40)>>6)|((bits&$20)>>4)|((bits&$10)>>2)|(bits&$8)|((bits&$4)<<2)|((bits&$2)<<4)|((bits&$1)<<6))
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.define PX(bits) (((bits&$40)>>6)|((bits&$20)>>4)|((bits&$10)>>2)|(bits&$8)|((bits&$4)<<2)|((bits&$2)<<4)|((bits&$1)<<6)|$80)
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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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A2D_DEFAULT_FONT := $8800
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font_unk := $8800 ; = $00 - ???
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font_size_count := $8801 ; = $7F - max glyph number
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; looks like an address ($7F00) but is used as count
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font_height := $8802 ; 9 pixels
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font_width_table := $8803 ; width in pixels, indexed by ASCII code
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font_glyphs := $8883 ; $80 glyphs, organized by row, 9 bytes per
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;; So glyph for A $41
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;; width is at $8803 + $41 = $8844 which is 7
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;; row0 is at $8883 + $41 + (0 * $80) = $88C4 ~ $1E = %00011110
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;; row1 is at $8883 + $41 + (1 * $80) = $8944 ~ $33 = %00110011
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;; etc
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;;
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;; Glyphs $00-$1F are useful symbols; some overlap with MouseText
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;; (called out as MT:X in the table below)
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;;
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;; $00 = space $10 = TM left
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;; $01 = folder left (MT:X) $11 = TM right
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;; $02 = folder right (MT:Y) $12 = pound
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;; $03 = hourglass (MT:C) $13 = pi
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;; $04 = insertion pt $14 = divide
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;; $05 = pointer (MT:B) $15 = rarrow (MT:U)
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;; $06 = vbar (MT:_) $16 = tri
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;; $07 = hbar (MT:S) $17 = open circ
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;; $08 = larrow $18 = close (MT:])
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;; $09 = left box $19 = gray odd (MT:W)
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;; $0A = darrow (MT:J) $1A = gray even (MT:V)
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;; $0B = uarrow (MT:K) $1B = solid circ
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;; $0C = right box $1C = inv check (MT:E)
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;; $0D = return (MT:M) $1D = check (MT:D)
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;; $0E = (C) $1E = solid apple (MT:@)
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;; $0F = (R) $1F = open apple (MT:A)
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A2D_GLYPH_LARROW := $09
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A2D_GLYPH_RARROW := $15
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A2D_GLYPH_UARROW := $0B
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A2D_GLYPH_DARROW := $0A
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A2D_GLYPH_RETURN := $0D
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A2D_GLYPH_OAPPLE := $1F
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