122 lines
2.3 KiB
NASM
122 lines
2.3 KiB
NASM
; terminal
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; create the window
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mov r0, window_struct
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mov r1, window_title
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mov r2, 320
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mov r3, 400
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mov r4, 32
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mov r5, 32
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mov r6, 0
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mov r7, 0
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call new_window
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; fill the window with the "black" color
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mov r0, [colors]
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mov r1, window_struct
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call fill_window
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; start an instance of sh.fxf
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call get_unused_task_id
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mov.8 [shell_task_id], r0
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mov r1, stream_struct
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call new_shell_task
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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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cmp r0, EVENT_TYPE_MOUSE_CLICK
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ifz jmp mouse_down
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cmp r0, EVENT_TYPE_KEY_DOWN
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ifz jmp key_down
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cmp r0, EVENT_TYPE_KEY_UP
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ifz jmp key_up
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event_loop_end:
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movz.8 r0, [shell_task_id]
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call is_task_id_used
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ifz jmp close_window
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call yield_task
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cmp.8 [read_buffer_ack], 1
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ifz mov.8 [read_buffer], 0
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ifz mov.8 [read_buffer_ack], 0
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rjmp event_loop
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mouse_down:
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; 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_window
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jmp event_loop_end
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key_down:
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mov r0, r1
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cmp.8 r0, KEY_CTRL
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ifz jmp event_loop_end
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cmp.8 r0, KEY_LSHIFT
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ifz push event_loop_end
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ifz jmp shift_pressed
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cmp.8 r0, KEY_RSHIFT
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ifz push event_loop_end
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ifz jmp shift_pressed
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cmp.8 r0, KEY_CAPS
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ifz push event_loop_end
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ifz jmp caps_pressed
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call scancode_to_ascii
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mov.8 [read_buffer], r0
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jmp event_loop_end
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key_up:
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mov r0, r1
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cmp.8 r0, KEY_CTRL
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ifz jmp event_loop_end
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cmp.8 r0, KEY_LSHIFT
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ifz push event_loop_end
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ifz jmp shift_released
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cmp.8 r0, KEY_RSHIFT
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ifz push event_loop_end
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ifz jmp shift_released
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jmp event_loop_end
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drag_window:
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cmp r1, 8
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iflteq jmp event_loop_end
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mov r0, window_struct
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call start_dragging_window
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jmp event_loop_end
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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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jmp event_loop_end
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window_title: data.strz "Terminal"
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window_struct: data.fill 0, 36
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shell_task_id: data.8 0
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stream_struct:
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data.8 0x00
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data.16 0x00
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data.32 0x00
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data.8 0x01
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data.32 stream_get_input
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data.32 stream_write_to_terminal
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#include "stream.asm"
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#include "task.asm"
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#include "text.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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