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* Math and bitwise functions use a work area that is cleared at each call. It is to be checked how many cells are actually used in calls and clear only the bare minimum that is needed; do it with BF c…
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Executing 6502 instructions on systick every 1 ms gives about a 1 / (1 ms) = 1 kHz clock rate; it ought to be possible to improve this, probably by moving off systick and step6502(), instead using exe…
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Hi,
I used to test NES emulation using a set of demos, which use sophisticated 6502 tricks. I spotted MMC3 emulation issues while running [high hopes](https://www.pouet.net/prod.php?which=31539):
…
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Has anyone modified any BBC Micro emulator that runs on a Pi, so that a second processor emulation could talk to it by wiring a GPIO to GPIO cable (ie no level shifters between the two Pies - just wir…
gtoal updated
2 months ago
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**Is your feature request related to a problem? Please describe.**
No problem but for the sake of unit tests, this suite would be nice to validate the cpu emulation
**Describe the solution you'd l…
kktos updated
7 months ago
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Hello, i would like to add 65C02 emulation in oricutron (WDC version).
Anyway, what is the best way to code ? I started something but i prefer to ask before i finished it.
I did like this :
in…
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Currently, the 6502 registers are stored inside of RAM. I think we should make them use the CPU cache for faster and more stable emulation
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Does this support memory modelling in 65816 mode?
I'm using the following command:
decode6502 --mem=F0F --cpu=65816 -ahisy
but it doesn't seem to log memory writes nor does it pick up some "d…
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The ProDOS global page location $BF98 is documented as
```
BF98: 108 * The following are informational only. MACHID
BF98: 109 * identifies the System Attributes:
BF98…
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Hi Tom:
I realize you had trouble adding Echo II emulation, but, I have another idea based on the work of another developer (oddly enough, of 6502 stuff also).
Don't know if you've heard of Alti…