diff options
| -rw-r--r-- | sgabios.S | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -1735,6 +1735,7 @@ write_char_tail: */ write_string: call set_cursor_position + pushw %ds pushw %es pushw %es popw %ds /* ds = es */ @@ -1742,7 +1743,10 @@ write_string: testb $2, %al jnz write_attr_string call send_attribute /* send attribute in %bl */ + test %cx, %cx + jz write_string_empty call send_string /* plaintext out */ +write_string_empty: jmp write_string_update_cursor write_attr_string: call send_attr_string /* text+attrib out */ @@ -1753,6 +1757,7 @@ write_string_update_cursor: call set_cursor_position write_string_tail: popw %es + popw %ds ret /* |