diff options
Diffstat (limited to 'arch/x86/machine/cga.c')
| -rw-r--r-- | arch/x86/machine/cga.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/machine/cga.c b/arch/x86/machine/cga.c index 07d4eb5e..1ab23582 100644 --- a/arch/x86/machine/cga.c +++ b/arch/x86/machine/cga.c @@ -137,16 +137,17 @@ cga_scroll_lines(void) CGA_MEMORY_SIZE - (CGA_COLUMNS * 2)); last_line = (uint16_t *)cga_memory + (CGA_COLUMNS * (CGA_LINES - 1)); - for(i = 0; i < CGA_COLUMNS; i++) + for(i = 0; i < CGA_COLUMNS; i++) { last_line[i] = CGA_BLANK; + } } void cga_write_byte(uint8_t byte) { - if (byte == '\r') + if (byte == '\r') { return; - else if (byte == '\n') { + } else if (byte == '\n') { cga_cursor += CGA_COLUMNS - cga_get_cursor_column(); if (cga_cursor >= (CGA_LINES * CGA_COLUMNS)) { @@ -164,8 +165,9 @@ cga_write_byte(uint8_t byte) } else if (byte == '\t') { int i; - for(i = 0; i < CGA_TABULATION_SPACES; i++) + for(i = 0; i < CGA_TABULATION_SPACES; i++) { cga_write_byte(' '); + } } else { if ((cga_cursor + 1) >= CGA_COLUMNS * CGA_LINES) { cga_scroll_lines(); |