-
I know this is probably an annoying type of request, but do you think you could come up with an internal interface for the register editor that doesn't involve letting code in the /ui-qt/ tree directl…
-
Hello i was looking at your code and I was wondering what is the ESP8266 for? Sorry a little lost to see that in the code.
Joseph
-
Much like the U flag, the B flag in the status register doesn't actually exist in hardware. That means that reading the status register should always yield a 0 in the B flag place. The B register is o…
-
Looking at the code, I don't see an IRQ routine (or NMI) clear the D flag.
I don't see the IRQ code test the I flag.
And I don't see interrupts ending a WAI (which they should even if masked).
-
Just considering the core 6502 emulation loop, probably these can be moved the the Sync Event Manager:
- IRQ check
- NMI check
- Video update
All 3 are done for each opcode, so there's extra ove…
-
I'm in the process of verifying Ghidra's 6502 processor module vs processor unit tests (https://github.com/TomHarte/ProcessorTests/tree/main/6502/v1). For opcodes 0x00-0x40 I have three unit tests fai…
-
* ~~6502 second processor~~ (anything non-6502 is out of scope, at least currently)
* Serial port (to/from file/clipboard/socket/etc.)
* ~~Parallel port~~ (ditto)
* ~~Joysticks~~
* Speech
* 8271
…
-
According to the 65C02 data sheet on page 30, the 65C02 processor performs two memory accesses during an STA (zp),Y. (Make sure to reference note 1, which stipulates 1 more cycle count on write.)
T…
-
I've attached a zip file containing the CDFJ sources for a music-playing example. It also contains two binaries:
* cdf1_music_OK.bin - plays fine on both Stella and on a Harmony cart + real '2600
* …
-
How to build this game? Are there any dependencies required to be installed?