ocr: 105 ACA/VIC20/Commodore 64/B/+4 RS2 232 Control Features not common to allr machines are So noted. Control Register Command Register B Series: OPEN LF,2, SA, CHRSIGUIODDEDD) + CHRS(CIIDLDEDD) not +CHR$(0) used but + necessary CHRS(0) SA B Series: Baud BSeries 1 Open Output Channel 0000 User" XXXX Not Used 2 Open Input Channel 0001 50 VIC/64 ACIA/+4 3 Open Input/Output Channel 00 1 0 75 Handshake Data Terminal Ready 129 Output Channel, Convert CBM to ASCII 00 1 1 110 o 3Line Disable Rcv/Xmit (DTRI high) 130 Input Channel, Convert. ASCII to CBM 131 Input/Output, Convert ASCII=CBM 0 1 o 0 134.5 1 ...
