ref: 28737d5778f05bd554e595360c1f94d21328d15d dir: /test/link/section-union/different-syntaxes.asm/
IF !DEF(SECOND) INSTR equs "sbc a" ELSE INSTR equs "db $9f" ENDC SECTION UNION "different syntaxes", ROM0 INSTR PURGE INSTR