ref: a52a00a9ca7753ef41814b55878b510e8dc80b7b
dir: /test/asm/ff00+c-bad.err/
error: ff00+c-bad.asm(8):
Expected constant expression equal to $FF00 for "$ff00+c"
error: ff00+c-bad.asm(9):
Expected constant expression equal to $FF00 for "$ff00+c"
error: Assembly aborted (2 errors)!