diff options
author | Juan J. Martinez <jjm@usebox.net> | 2021-01-03 09:23:25 +0000 |
---|---|---|
committer | Juan J. Martinez <jjm@usebox.net> | 2021-01-03 10:14:32 +0000 |
commit | d49c62663b6a2229e9849769591873005c762618 (patch) | |
tree | 96929394d36f129d72c0d3c56bd269dbfa8c2132 /game/src/helpers.c | |
parent | bd4647a79e13f4a6ada8a86754d889fcddd758d4 (diff) | |
download | ubox-msx-lib-d49c62663b6a2229e9849769591873005c762618.tar.gz ubox-msx-lib-d49c62663b6a2229e9849769591873005c762618.zip |
Renamed aux to helpers to be windows compatible
Diffstat (limited to 'game/src/helpers.c')
-rw-r--r-- | game/src/helpers.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/game/src/helpers.c b/game/src/helpers.c new file mode 100644 index 0000000..9aa4785 --- /dev/null +++ b/game/src/helpers.c @@ -0,0 +1,18 @@ +#include <stdint.h> + +#include "ubox.h" + +#include "helpers.h" + +/** + * Put a zero terminated string on the screen using tiles. + * + * The font starts on the tileset on tile 128 and the fist char in our has + * ASCII value 31, so it is adjusted so we can use ASCII *uppercase* directly + * in our C code. + */ +void put_text(uint8_t x, uint8_t y, const uint8_t *text) +{ + while (*text) + ubox_put_tile(x++, y, *text++ + 128 - 31); +} |