78 lines
1.8 KiB
NASM
78 lines
1.8 KiB
NASM
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; launcher
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entry:
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; disable all overlays except the mouse cursor
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mov r31, 0x1E
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mov r0, 0x80000300
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disable_all_overlays_loop:
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out r0, 0
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inc r0
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loop disable_all_overlays_loop
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; set up the menu bar
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call enable_menu_bar
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call clear_menu_bar
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mov r0, menu_items_root
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mov r1, 0xFFFFFFFF
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call draw_menu_bar_root_items
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; open the wallpaper file and draw it
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mov r0, wallpaper_file_name
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mov r1, 0
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mov r2, wallpaper_file_struct
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call ryfs_open
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cmp r0, 0
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ifz jmp skip_wallpaper
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; read the wallpaper file directly into the background framebuffer
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mov r0, 1228800 ; 640x480x4
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mov r1, wallpaper_file_struct
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mov r2, 0x02000000
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call ryfs_read
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skip_wallpaper:
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; build a list of FXF files and add them to the menu
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call get_fxf_files
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call add_fxf_files_to_launcher_menu
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event_loop:
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call get_next_event
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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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call yield_task
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jmp event_loop
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allocate_error:
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mov r0, allocate_error_str
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mov r1, 16
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mov r2, 32
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mov r3, 0xFFFFFFFF
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mov r4, 0xFF000000
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call draw_str_to_background
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hang:
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rjmp hang
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allocate_error_str: data.str "error while allocating memory" data.8 0
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wallpaper_file_name: data.str "wallpaprraw"
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wallpaper_file_struct: data.32 0 data.32 0
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#include "about.asm"
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#include "file.asm"
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#include "launch.asm"
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#include "menu.asm"
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; include system defs
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#include "../../fox32rom/fox32rom.def"
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#include "../fox32os.def"
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