Tuesday, October 4, 2022

Cassette SAVE and LOAD, pt 1

So basically, MC-10 can load from Mac, but can't save cassette/audio output to Mac yet. XRoar is converting file formats for me.

MC-10 cassette audio cable looking very much in prototype stage.

Half working audio cable still in development.

BASIC program after the break. 2 REM"PRINT WITH IMAGEWRITER I" 4 POKE 16932,255 : REM"300 BAUD" 6 LPRINT CHR$(14) : REM"DOUBLE WIDTH CHARS" 8 LPRINT CHR$(27)+CHR$(68)+CHR$(128)+CHR$(0) : REM"LF AFTER CR" 10 LPRINT"RC2022/10 DAY3:" 20 LPRINT"SINCE I HAVE THE MC-10 OUTPUT WORKING WELL, 25 LPRINT"I NEEDED TO GET THE INPUT SORTED SO THAT " 30 LPRINT"I CAN LOAD GAMES AND STUFF. I FOUND 3.5MM " 35 LPRINT"TRRS AV CABLE THAT I CAN USE TO CONNECT TO" 40 LPRINT"MY MACBOOK'S HEADPHONE JACK. THEN I CUT OFF " 45 LPRINT"THE RCA PHONO PLUGS, CONNECTED THE " 50 LPRINT"GROUNDS AND SOLDERED THE SIGNAL AND GROUND " 55 LPRINT"WIRES TO A DIN 5 JACK FOR THE MC-10." 60 LPRINT"UNFORTUNATELY, MY MAC IS NOT DETECTING MY 65 LPRINT"HACKED TRRS CABLE AS A MICROPHONE TO SAVE" 70 LPRINT"AUDIO TO THE MAC. NEED TO FIX THIS." 75 LPRINT"" 80 LPRINT"THERE ARE A LOT OF PROGRAMS AVAILABLE ONLINE" 85 LPRINT"FOR THE MC-10 IN .C10 FORMAT. THIS IS THE" 90 LPRINT"SAME FORMAT AS THE CASSETTE I/O, BUT IS IN A " 95 LPRINT"MORE COMPACT 8-BIT BINARY DATA FORMAT " 100 LPRINT"RATHER THAN AUDIO. HOWEVER, I NEED THE " 105 LPRINT"CASSETTE AUDIO FORMAT TO PLAY FROM MY MAIN " 110 LPRINT"COMPUTER INTO THE MC-10 SINCE THERE IS NOT " 115 LPRINT"A BUILT-IN MC-10 LOADER FOR THE .C10 FORMAT." 120 LPRINT"AT FIRST, I DID NOT SEE ANY CONVERTERS THAT 125 LPRINT"WERE PORTABLE TO MACOS AND WAS PREPARING " 130 LPRINT"TO WRITE MY OWN. HOWEVER, I NOTICED TODAY " 135 LPRINT"THAT XROAR EMULATOR (WHICH I ALREADY USE AN " 140 LPRINT"OLDER VERSION OF) NOW HAS SUPPORT FOR THE " 145 LPRINT"MC-10, CAN LOAD .C10 FILES, AND CAN OUTPUT " 150 LPRINT".WAV FORMAT AUDIO FILES. IT IS GOOD TO SEE " 155 LPRINT"THAT THIS USEFUL PROGRAM HAS BEEN UPDATED " 160 LPRINT"SO MUCH RECENTLY!" 170 LPRINT"" 180 LPRINT"SO WITH MY NEW CABLE, I WAS FINALLY ABLE TO " 185 LPRINT"CONVERT A .C10 FILE TO .WAV FORMAT USING " 190 LPRINT"XROAR, PLAY IT ON MY MAC, AND LOAD IT " 195 LPRINT"(USING THE CLOAD COMMAND) ON MY MC-10! " 200 LPRINT"HOWEVER, MY ATTEMPTS TO LOAD REAL GAMES " 205 LPRINT"IMMEDIATELY RAN INTO AN 'OM ERROR'. MY 4K " 210 LPRINT"OF RAM ISN'T CUTTING IT." 215 LPRINT"" 220 LPRINT"WHILE I AM STILL TEMPTED TO WRITE A .C10 " 225 LPRINT"FILE LOADER FOR THE MC-10, THIS SEEMS TO WORK " 230 LPRINT"WELL ENOUGH FOR NOW, AT LEAST UNTIL I GET THE " 235 LPRINT"RAM UPGRADED." 240 LPRINT"I ALSO FIGURED OUT SOME CONTROL CODES FOR THE" 245 LPRINT"IMAGEWRITER TO PRINT DOUBLE WIDE LETTERS!"

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