shithub: rgbds

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rgbasm: Print usage if no filename is given after flags.

--- a/src/asm/main.c

+++ b/src/asm/main.c

@@ -333,6 +333,9 @@

 	DefaultOptions = CurrentOptions;

+	if (argc == 0)

+		PrintUsage();

+

 	tzMainfile = argv[argc - 1];

 	setuplex();