BASIC compiler from Digital Research with GSX support
From wikipedia:
CBASIC is a compiled version of the BASIC programming language written for the CP/M operating system by Gordon Eubanks in 1976–77. It is an enhanced version of BASIC-E, his master's thesis project.
Reserved words
ABS EQ LEN POS STOP AND EXP LET PRINT STR$ AS FEND LINE RANDOMIZE SUB ASC FILE LOG READ TAB ATN FOR LPRINTER RECL TAN CALL FRE LT REM THEN CHR$ GE MATCH REMARK TO CLOSE GO MID$ RENAME USING CONSOLE GOSUB NE RESTORE VAL COS GOTO NEXT RETURN WEND CREATE GT NOT RIGHT$ WHILE DATA IF ON RND WIDTH DEF INP OPEN SGN XOR DELETE INPUT OR SIN DIM INT OUT SIZE ELSE LE PEEK SQR END LEFT$ POKE STEP