Add prototype for CH3 parameter drawing

1 files changed, 20 insertions, 0 deletions

diff --git a/src/text/text.h b/src/text/text.h
index 931227c..647a021 100644
--- a/src/text/text.h
+++ b/src/text/text.h
@@ -136,4 +136,24 @@ txt_draws(char *msg, size_t x, size_t y, size_t spacing, u8 clr) {
                 txt_draws(buf, x, y, s, c); \
         }
 
+// Small font is located after the initial ASCII characters, and only supports
+// lowercase characters.
+// NOTE: Slow, we should do this with a LUT.
+#define txt_drawf_small(msg, x, y, s, c, ...) \
+        { \
+                char buf[256] = {0}; \
+                posprintf(buf, msg, ##__VA_ARGS__); \
+                for (size_t i = 0; i < 256; i++) { \
+                    if (buf[i] == 0) { \
+                        break; \
+                    } \
+                    if (buf[i] < 'a') { \
+                buf[i] += 16 * 6; \
+                    } else { \
+                buf[i] += 16 * 4; \
+                    }\
+                } \
+                txt_draws(buf, x, y, s, c); \
+        }
+
 #endif // TEXT_H