Search found 7 matches
- Wed Aug 03, 2011 11:45 pm
- Forum: General Discussion
- Topic: Oric everywhere
- Replies: 4
- Views: 8527
- Wed Aug 03, 2011 10:54 pm
- Forum: AY sound chip
- Topic: AY Crudentials: Accessing the AY
- Replies: 3
- Views: 16039
Re: AY Crudentials: Accessing the AY
I was checking my old replay code, and I found out that instead of FD and DD I have EC and CC: sta VIA_ORA lda #$EC sta VIA_PCR lda #$CC What's the actual difference and the impact? Hi there. Both bits of code will work equally well. The difference is in the CA1 and CB1 control bits in the PCR of t...
- Sat Jul 02, 2011 10:52 pm
- Forum: Hardware hacks and extensions
- Topic: finding (cheap?) 65xx family ICs around...
- Replies: 9
- Views: 23661
But, i am interested to order these chips again (as explained above) Hi Jede!. I'm interested to order WDC chips too. I needed a few 6522s to repair some old computers - if you're savvy, you can find them in spares/repair stuff on eBay - They're in Vic20s, 1541 disk drives (2 in there, along with a...
- Sat Jul 02, 2011 10:20 pm
- Forum: AY sound chip
- Topic: "music" in Xenon meteors noise
- Replies: 22
- Views: 42572
Re: "music" in Xenon meteors noise
This is a very old story. When I was young, playing Xenon 1, I kept telling my brothers that in the meteors noise (level 3), I was hearing lost in the noise a small music, like bells. They claimed they didn't hear anything. The music consists of 4 notes repeating about every 3 seconds. Years later ...
- Sun Jun 05, 2011 5:42 pm
- Forum: Hardware hacks and extensions
- Topic: ATMOS REPAIR GUIDE
- Replies: 3
- Views: 7890
- Sat Jun 04, 2011 12:38 am
- Forum: Hardware hacks and extensions
- Topic: ATMOS REPAIR GUIDE
- Replies: 3
- Views: 7890
- Tue May 31, 2011 12:29 am
- Forum: Hardware hacks and extensions
- Topic: getting (PAL) composite signal from the ORIC
- Replies: 10
- Views: 21755
I was recently reading up about the Sam Coupe and noticed they used a motorola MC1377P chip to convert between RGB and composite. The data sheet is here... http://www.datasheetcatalog.org/datasheet/motorola/MC1377DW.pdf The only problem is it requires a minimum of 10volts to drive it. Internally on...