ref: 88b66f2941ccb25d83c346f10c86d2a2eb5c9eeb dir: /test/asm/narg-decreases-after-shift.asm/
testing: MACRO db _NARG shift db _NARG shift db _NARG shift db _NARG shift db _NARG ENDM SECTION "Test output", ROM0 testing 1, 2, 3