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Diffstat (limited to 'macros/gfx.asm')
| -rw-r--r-- | macros/gfx.asm | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/macros/gfx.asm b/macros/gfx.asm index 2c67cfc8..b42b1440 100644 --- 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 |