missing for empty lines Not allowed in STL for NumBLs. NumBLs is informative e.g 0 1 for NOP 0, NOP 1; STW for L STW or DILG for L DILG; only if separated by comment Not allowed in STL SE, SV SF, SA SS SD, SE SP, SI AUF AUF DI SPA SPB SPO SPZ SPP SPM SPN SPBN SPBB SPBNB SPBI SPBNI SPS SPU SPMZ SPZ SSD, SVD SSW, SVW KEW, INV_F KZW, NEG_F KED KZD NEG_G, ND ABS_G DEF DUF DED DUD FDG GFDN GFDM GFDP FD TAW TAD +F -F xF :F +D -D xD :D +G -G xG :G TAK BEB ) MCR( MCR) TAR TDB BEA