Code:
....
MAIN    SEGMENT BYTE                       ; ERROR: segment name `BYTE' not recognised
        ASSUME  CS:MAIN,DS:MAIN,SS:NOTHING  ; ERROR: parser: instruction expected
...

jmp     NEAR PTR PROG_START                 ;ERROR: comma or end of line expected
...
DTA             DB      1AH dup (?)         ;ERROR: comma expected after operand 1
...
FNAME           DB      13 dup (?)          ;ERROR: comma expected after operand 1
...
VSTACK          DW      50H dup (?)         ;ERROR: comma expected after operand 1
...
Hi im trying to assemble a prog with above lines and get above commented errors. howto fix thoes errors please. im using NASM but prog is meant to be assembled on TASM.

thx.