fox32os/applications/terminal/main.asm

143 lines
2.8 KiB
NASM

; 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
; 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_current_disk_id
mov r1, r0
mov r0, sh_fxf_name
mov r2, stream_struct
mov r3, 0
mov r4, 0
mov r5, 0
mov r6, 0
call launch_fxf_from_disk
cmp r0, 0xFFFFFFFF
ifz jmp sh_fxf_missing
mov.8 [shell_task_id], r0
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
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
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
sh_fxf_missing:
mov r0, sh_fxf_missing_str
call print_str_to_terminal
sh_fxf_missing_yield_loop:
call yield_task
rjmp sh_fxf_missing_yield_loop
window_title: data.strz "Terminal"
window_struct: data.fill 0, 36
sh_fxf_name: data.strz "sh.fxf"
sh_fxf_missing_str: data.str "sh could not be launched! hanging here" data.8 10 data.8 0
shell_task_id: data.8 0
stream_struct:
data.8 0x00
data.16 0x0000
data.32 0x00000000
data.8 0x01
data.32 stream_get_input
data.32 stream_write_to_terminal
data.32 0x00000000
data.32 0x00000000
data.32 0x00000000
data.32 0x00000000
#include "stream.asm"
#include "text.asm"
; include system defs
#include "../../../fox32rom/fox32rom.def"
#include "../../fox32os.def"