From 3caf8f1e040c9d186fddc3039e5e4e8dcf5c9d0f Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Fri, 11 Jun 2021 14:41:55 +0200
Subject: Add prototype for CH3 parameter drawing

---
 src/text/text.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/text')

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
-- 
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