foxpaint: Initial commit
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Ry
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applications/foxpaint/main.asm
Normal file
230
applications/foxpaint/main.asm
Normal file
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@ -0,0 +1,230 @@
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; mouse painting demo
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mov r0, window_struct
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mov r1, window_title
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mov r2, 640
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mov r3, 448
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mov r4, 0
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mov r5, 16
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mov r6, menu_items_root
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mov r7, 0
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call new_window
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event_loop:
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mov r0, window_struct
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call get_next_window_event
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; was the mouse clicked?
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cmp r0, EVENT_TYPE_MOUSE_CLICK
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ifz call mouse_click_event
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; was the mouse released?
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cmp r0, EVENT_TYPE_MOUSE_RELEASE
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ifz mov.8 [is_drawing], 0
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; did the user click the menu bar?
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cmp r0, EVENT_TYPE_MENU_BAR_CLICK
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ifz mov r0, menu_items_root
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ifz call menu_bar_click_event
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; is the user in a menu?
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cmp r0, EVENT_TYPE_MENU_UPDATE
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ifz call menu_update_event
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; did the user click a menu item?
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cmp r0, EVENT_TYPE_MENU_CLICK
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ifz call menu_click_event
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; should the menu be closed?
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cmp r0, EVENT_TYPE_MENU_ACK
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ifz call menu_ack_event
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cmp.8 [is_drawing], 0
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ifnz call draw_pixel
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call yield_task
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jmp event_loop
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mouse_click_event:
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push r0
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; first, check if we are attempting to drag or close the window
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cmp r2, 16
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iflteq jmp drag_or_close_window
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; if not, enable the drawing flag
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mov.8 [is_drawing], 1
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pop r0
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ret
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menu_click_event:
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; r2 contains the clicked root menu
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; r3 contains the clicked menu item
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; canvas
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cmp r2, 0
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ifz call canvas_menu_click_event
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; brush
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cmp r2, 1
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ifz call brush_menu_click_event
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; color
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cmp r2, 2
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ifz call color_menu_click_event
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ret
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menu_ack_event:
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push r0
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mov r0, menu_items_root
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call close_menu
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pop r0
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ret
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canvas_menu_click_event:
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; r2 contains the clicked root menu
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; r3 contains the clicked menu item
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; clear to black
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cmp r3, 0
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ifz call clear_canvas_black
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; clear to white
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cmp r3, 1
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ifz call clear_canvas_white
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ret
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brush_menu_click_event:
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; r2 contains the clicked root menu
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; r3 contains the clicked menu item
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; 2x2
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cmp r3, 0
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ifz mov.8 [brush_size], 2
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; 4x4
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cmp r3, 1
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ifz mov.8 [brush_size], 4
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; 8x8
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cmp r3, 2
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ifz mov.8 [brush_size], 8
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; 16x16
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cmp r3, 3
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ifz mov.8 [brush_size], 16
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ret
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color_menu_click_event:
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; r2 contains the clicked root menu
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; r3 contains the clicked menu item
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; black
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cmp r3, 0
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ifz mov [color], 0xFF000000
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; white
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cmp r3, 1
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ifz mov [color], 0xFFFFFFFF
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; red
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cmp r3, 2
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ifz mov [color], 0xFF0000FF
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; green
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cmp r3, 3
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ifz mov [color], 0xFF00FF00
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; blue
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cmp r3, 4
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ifz mov [color], 0xFFFF0000
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ret
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draw_pixel:
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mov r0, window_struct
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call get_window_overlay_number
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mov r2, r0
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mov r5, r0
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call get_mouse_position
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call make_coordinates_relative_to_overlay
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movz.8 r2, [brush_size]
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movz.8 r3, [brush_size]
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mov r4, [color]
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call draw_filled_rectangle_to_overlay
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ret
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clear_canvas_black:
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mov r0, 0xFF000000
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mov r1, window_struct
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call fill_window
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ret
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clear_canvas_white:
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mov r0, 0xFFFFFFFF
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mov r1, window_struct
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call fill_window
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ret
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drag_or_close_window:
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cmp r1, 8
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iflteq jmp close_window
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mov r0, window_struct
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call start_dragging_window
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pop r0
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ret
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close_window:
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mov r0, window_struct
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call destroy_window
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call end_current_task
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window_title: data.str "FoxPaint" data.8 0
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window_struct: data.fill 0, 36
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menu_items_root:
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data.8 3 ; number of menus
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data.32 menu_items_canvas_list data.32 menu_items_canvas_name ; pointer to menu list, pointer to menu name
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data.32 menu_items_brush_list data.32 menu_items_brush_name ; pointer to menu list, pointer to menu name
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data.32 menu_items_color_list data.32 menu_items_color_name ; pointer to menu list, pointer to menu name
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menu_items_canvas_name:
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data.8 6 data.str "Canvas" data.8 0x00 ; text length, text, null-terminator
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menu_items_brush_name:
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data.8 5 data.str "Brush" data.8 0x00 ; text length, text, null-terminator
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menu_items_color_name:
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data.8 5 data.str "Color" data.8 0x00 ; text length, text, null-terminator
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menu_items_canvas_list:
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data.8 2 ; number of items
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data.8 16 ; menu width (usually longest item + 2)
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data.8 14 data.str "Clear to Black" data.8 0x00 ; text length, text, null-terminator
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data.8 14 data.str "Clear to White" data.8 0x00 ; text length, text, null-terminator
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menu_items_brush_list:
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data.8 4 ; number of items
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data.8 7 ; menu width (usually longest item + 2)
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data.8 3 data.str "2x2" data.8 0x00 ; text length, text, null-terminator
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data.8 3 data.str "4x4" data.8 0x00 ; text length, text, null-terminator
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data.8 3 data.str "8x8" data.8 0x00 ; text length, text, null-terminator
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data.8 5 data.str "16x16" data.8 0x00 ; text length, text, null-terminator
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menu_items_color_list:
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data.8 5 ; number of items
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data.8 7 ; menu width (usually longest item + 2)
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data.8 5 data.str "Black" data.8 0x00 ; text length, text, null-terminator
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data.8 5 data.str "White" data.8 0x00 ; text length, text, null-terminator
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data.8 3 data.str "Red" data.8 0x00 ; text length, text, null-terminator
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data.8 5 data.str "Green" data.8 0x00 ; text length, text, null-terminator
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data.8 4 data.str "Blue" data.8 0x00 ; text length, text, null-terminator
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is_drawing: data.8 0
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brush_size: data.8 4
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color: data.32 0xFFFFFFFF
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#include "../../../fox32rom/fox32rom.def"
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#include "../../fox32os.def"
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3
build.sh
3
build.sh
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@ -25,6 +25,9 @@ echo "assembling barclock"
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echo "assembling terminal"
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../fox32asm/target/release/fox32asm applications/terminal/main.asm base_image/terminal.fxf
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echo "assembling foxpaint"
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../fox32asm/target/release/fox32asm applications/foxpaint/main.asm base_image/foxpaint.fxf
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echo "assembling bg"
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../fox32asm/target/release/fox32asm applications/bg/main.asm base_image/bg.fxf
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