Use more assertions to ensure correct code and data

2020-10-26 22:24:38 -04:00
parent 9dcdad5e60
commit c85ba78b77
16 changed files with 50 additions and 17 deletions
--- a/macros/gfx.asm
+++ b/macros/gfx.asm
@@ -1,5 +1,13 @@
+assert_valid_rgb: MACRO
+rept _NARG
+	assert 0 <= (\1) && (\1) <= 31, "RGB channel must be 0-31"
+	shift
+endr
+ENDM
+
 RGB: MACRO
 rept _NARG / 3
+	assert_valid_rgb \1, \2, \3
 	dw palred (\1) + palgreen (\2) + palblue (\3)
 	shift 3
 endr