That is the reason why Atari has used:
; THIS IS THE MODIFIED SEPTEMBER ATARI 400/800 COMPUTER OPERATING
; SYSTEM LISTING, MODIFIED TO ASSEMBLE ON THE MICROTEC CROSS
; THIS VERSION IS THE ONE WHICH WAS BURNED INTO ROM.
; THERE IS A RESIDUAL PIECE OF CODE WHICH IS FOR LNBUG. THIS
; IS AT LOCATION $9000 WHICH IS NOT IN ROM.
; THIS IS THE REVISION B EPROM VERSION
; COLLEEN OPERATING SYSTEM EQUATE FILE
; NTSC/PAL ASSEMBLY FLAG
PALFLG = 0 ;0 = NTSC 1 = PAL
According to Carol Shaw even for the 2600 games... :-)
But normal users had to it the hard way, not because they are easy, but because they are hard.... (Famous man in 1961....)
Edited by luckybuck, Thu Jul 20, 2017 9:28 AM.