Saturday, October 1, 2022

Serial Confusion

Here is the transferred BASIC for this post:

10 CLS 20 PRINT "I MADE AN MC-10 SERIAL CABLE TODAY. FRANKLY, I AM SURPRISED THAT IT WORKED." 30 PRINT "THE RX LINE IS APPARENTLY WRONG IN THE SERVICE MANUAL. OR WRONG IN THE BASIC ROM?" 40 PRINT "ANYWAY, IT IS STRANGE THAT THE SCHEMATIC DOES NOT FOLLOW THE SCI (SERIAL COMMUNICATIONS INTERFACE) OF MC6801 EITHER" 50 PRINT "I CANT FIND AN OFFICIAL SOURCE FOR HOW IT SHOULD BE WIRED BUT IT WORKS FOR SENDING ANYWAY." 55 REM END : REM "END HERE FOR FIRST PAGE" 60 PRINT "SO I CAN TRANSFER MY BASIC PROGRAM TO MY MAIN COMPUTER NOW" 70 PRINT "THE ONLY ISSUE IS THAT IT SENDS WITH CARRIAGE RETURN ONLY AND NOT A LINE FEED." 80 PRINT "EASY ENOUGH TO FIX WITH THE TR COMMAND ON MY MAC." 90 PRINT "HOWEVER THE BASIC ROM DOES NOT HAVE A COMMAND TO LOAD FROM SERIAL PORT. SO I NEED TO MAKE AN AUDIO CABLE STILL." 100 PRINT "A PRINTER WOULD BE NICE TOO..." 110 REM END : REM "END HERE FOR SECOND PAGE" 120 CLS 130 PRINT "QUICK TIP: MAKE SURE THE CONNECTORS ARE PLUGGED INTO A SPARE JACK WHEN SOLDERING TO ENSURE THAT THE PINS DONT MOVE." 140 PRINT "IN THE END, I USED THE PINOUT IN THE ANNOTATED DIAGRAM HERE: 150 LLIST

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