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| author | James Barnett <noreply@jamesbarnett.xyz> | 2018-08-28 16:21:37 +0100 |
|---|---|---|
| committer | James Barnett <noreply@jamesbarnett.xyz> | 2018-08-28 16:21:37 +0100 |
| commit | d5cf6a9696f6f86bec5652f94ba7485aae4ca1bc (patch) | |
| tree | f49de1a27255090ac38c222dede7b9c6fda06eef /kernel.c | |
| parent | e88de0162cff8bbad80972c1b92355b9d2db0213 (diff) | |
| download | tinyOS-d5cf6a9696f6f86bec5652f94ba7485aae4ca1bc.tar.xz tinyOS-d5cf6a9696f6f86bec5652f94ba7485aae4ca1bc.zip | |
Add print_ln function
Diffstat (limited to 'kernel.c')
| -rw-r--r-- | kernel.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/kernel.c b/kernel.c deleted file mode 100644 index 1c3a97c..0000000 --- a/kernel.c +++ /dev/null @@ -1,40 +0,0 @@ - -#define FRAME_SIZE (80 * 25 * 2) // 80 cols, 25 rows, 2 bytes per char - -char *video_ram = (char *) 0xB8000; -int cursor_pos = 0; - -void clear_screen() -{ - for (int i = 0; i < FRAME_SIZE; i = i + 2) - { - video_ram[i] = ' '; - video_ram[i + 1] = 0x07; - }; - cursor_pos = 0; -} - -void print(char *msg) -{ - int j = 0; - while (msg[j] != '\0') - { - video_ram[cursor_pos++] = msg[j]; - video_ram[cursor_pos++] = 0x07; - ++j; - } -} - - -void run_kern() -{ - clear_screen(); - - print("I am a kernel!"); - print(" another message"); -} - -void kernel_entrypoint() -{ - run_kern(); -} |