fox32os/applications/sh/commands/clear.asm
jn ffdda5eaca Make use of data.strz
The filesystem image is the same before and after this commit:

$ sha256sum fox32os-orig.img fox32os.img
abc77bd6310b8eb6bcde0a8a442ca8bab071307a6cf5155ea606578435f77d27  fox32os-orig.img
abc77bd6310b8eb6bcde0a8a442ca8bab071307a6cf5155ea606578435f77d27  fox32os.img


The conversion was performed with a few sed commands:

find -name '*.asm' | xargs sed -i -e 's/data.str \("[^"]*"\) data.8 0$/data.strz \1/g'
find -name '*.asm' | xargs sed -i -e 's/data.str \("[^"]*"\) data.8 0 /data.strz \1 /g'
find -name '*.asm' | xargs sed -i -e 's/data.str \("[^"]*"\) data.8 0x00 /data.strz \1 /g'
2023-02-02 03:03:07 +01:00

23 lines
467 B
NASM

; clear command
const FILL_TERM: 0xF0
const MOVE_CURSOR: 0xF1
shell_clear_command_string: data.strz "clear"
shell_clear_command:
movz.8 r0, FILL_TERM
call print_character_to_terminal
movz.8 r0, 0
call print_character_to_terminal
call print_character_to_terminal
movz.8 r0, MOVE_CURSOR
call print_character_to_terminal
movz.8 r0, 0
call print_character_to_terminal
movz.8 r0, 0
call print_character_to_terminal
ret