fox32os/applications/terminal/main.asm

122 lines
2.3 KiB
NASM
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; terminal
; create the window
mov r0, window_struct
mov r1, window_title
mov r2, 320
mov r3, 400
mov r4, 32
mov r5, 32
mov r6, 0
mov r7, 0
call new_window
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; fill the window with the "black" color
mov r0, [colors]
mov r1, window_struct
call fill_window
; start an instance of sh.fxf
call get_unused_task_id
mov.8 [shell_task_id], r0
mov r1, stream_struct
call new_shell_task
event_loop:
mov r0, window_struct
call get_next_window_event
cmp r0, EVENT_TYPE_MOUSE_CLICK
ifz jmp mouse_down
cmp r0, EVENT_TYPE_KEY_DOWN
ifz jmp key_down
cmp r0, EVENT_TYPE_KEY_UP
ifz jmp key_up
event_loop_end:
movz.8 r0, [shell_task_id]
call is_task_id_used
ifz jmp close_window
call yield_task
cmp.8 [read_buffer_ack], 1
ifz mov.8 [read_buffer], 0
ifz mov.8 [read_buffer_ack], 0
rjmp event_loop
mouse_down:
; check if we are attempting to drag or close the window
cmp r2, 16
iflteq jmp drag_window
jmp event_loop_end
key_down:
mov r0, r1
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cmp.8 r0, KEY_CTRL
ifz jmp event_loop_end
cmp.8 r0, KEY_LSHIFT
ifz push event_loop_end
ifz jmp shift_pressed
cmp.8 r0, KEY_RSHIFT
ifz push event_loop_end
ifz jmp shift_pressed
cmp.8 r0, KEY_CAPS
ifz push event_loop_end
ifz jmp caps_pressed
call scancode_to_ascii
mov.8 [read_buffer], r0
jmp event_loop_end
key_up:
mov r0, r1
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cmp.8 r0, KEY_CTRL
ifz jmp event_loop_end
cmp.8 r0, KEY_LSHIFT
ifz push event_loop_end
ifz jmp shift_released
cmp.8 r0, KEY_RSHIFT
ifz push event_loop_end
ifz jmp shift_released
jmp event_loop_end
drag_window:
cmp r1, 8
iflteq jmp event_loop_end
mov r0, window_struct
call start_dragging_window
jmp event_loop_end
close_window:
mov r0, window_struct
call destroy_window
call end_current_task
jmp event_loop_end
window_title: data.strz "Terminal"
window_struct: data.fill 0, 36
shell_task_id: data.8 0
stream_struct:
data.8 0x00
data.16 0x00
data.32 0x00
data.8 0x01
data.32 stream_get_input
data.32 stream_write_to_terminal
#include "stream.asm"
#include "task.asm"
#include "text.asm"
; include system defs
#include "../../../fox32rom/fox32rom.def"
#include "../../fox32os.def"