fox32os/applications/sh/commands/dir.asm
2023-01-30 14:16:59 -08:00

40 lines
897 B
NASM

; dir command
shell_dir_command_string: data.str "dir" data.8 0
shell_dir_command:
mov r0, shell_dir_command_list_buffer
movz.8 r1, [shell_current_disk]
call ryfs_get_file_list
cmp r0, 0
ifz ret
mov r31, r0
mov r3, 0
shell_dir_command_loop:
; copy one file name from the list buffer to the file buffer
mov r0, shell_dir_command_list_buffer
add r0, r3
mov r1, shell_dir_command_file_buffer
mov r2, 11
call copy_memory_bytes
add r1, 11
mov.8 [r1], 0
; then print the file name to the terminal
mov r0, shell_dir_command_file_buffer
call print_str_to_terminal
; new line
mov r0, 10
call print_character_to_terminal
; point to next file name in the buffer
add r3, 11
loop shell_dir_command_loop
ret
shell_dir_command_list_buffer: data.fill 0, 341
shell_dir_command_file_buffer: data.fill 0, 12