How do I read a Pinout with Memory info? - AtariAge Forums
Apr 13, 2012 · I've seen pinouts of the 6507 and the 6502 pinouts and they all have memory info and I want to know how to read a pinout.
Why the 6507 in the 2600? In fact why the 6507 at all? - AtariAge Forums
Oct 24, 2004 · I know a little about the workings of the 2600 and a bit of 6502 assembler, but it seems a bit of a mystery why the Atari chose to use the 6507 instead of the 6502. Im guessing that the reason …
Programming ASM for 6502 vs. 6507 - Questions. - AtariAge Forums
Jun 21, 2012 · The main differences between 6502 and 6507 is that the 6507 has less address lines so it can only address 8K instead of 64K and it also lacks the IRQ# and NMI# interrupt lines. If you stick …
Use a 6502 instead of 6507? - Atari 2600 - AtariAge Forums
Feb 25, 2012 · The 6507 is just a downgraded 6502 in that is has less pins. Pins used to cost a lot of money back in those days. I see no point in replacing the 6507 with a 6502, from the end user point …
Atari clone av mod - Atari 2600 - AtariAge Forums
Aug 22, 2024 · Hello, I recently bought this atari 2600 clone and I'm trying to convert the RF output to AV composite. I already modified some 2600 clones in the past, but this is the first time I see this …
The 6507's Address Bus - Atari 2600 Programming - AtariAge Forums
Jul 8, 2010 · The 6507 has a 16-bit program counter. The 6507 core is actually identical to the 6502 core, but A13-A15 are not connected from the core to pins on the chip.
6507 Instruction Set - Hardware - AtariAge Forums
Nov 22, 2006 · The 6507 is just a standard 6502 core with some signals not connected to pins. Look for info on 6510 undocumented instructions, since the C64 folks were the ones who got serious about …
6507 pinout - Hardware - AtariAge Forums
Mar 17, 2002 · who knows where i can find the 6507 atari 2600 processor pinout ? Thanks, TheleN
2600 troubleshooting help - Atari 2600 - AtariAge Forums
Feb 26, 2025 · If the TIA, RIOT and 6507 are all getting power, are they also getting the clock signal and the reset pins on the RIOT and 6507 and the RDY pins on the TIA and 6507 being pulled high?
"Sally" versions... - Atari 8-Bit Computers - AtariAge Forums
Feb 15, 2019 · Also interesting that this particular document does not mention the 6507 variant, the one Atari used by the tens of millions in VCS/2600 consoles, disk drives, etc.