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-rw-r--r--dos/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/dos/Makefile b/dos/Makefile
index 1371205e..6cf81b72 100644
--- a/dos/Makefile
+++ b/dos/Makefile
@@ -16,7 +16,7 @@
include $(MAKEDIR)/embedded.mk
-CFLAGS += -D__MSDOS__
+CFLAGS += -D__MSDOS__ -mregparm=3 -DREGPARM=3
# CFLAGS += -DDEBUG
LDFLAGS = -T $(SRC)/dosexe.ld