py65_int
Handling 6502 interrupts in py65 (by tmr4)
LiaraForth
An "initial" ANSI(ish) Forth for the W65C265SXB SBC (65816 CPU) (by scotws)
| py65_int | LiaraForth | |
|---|---|---|
| 4 | 3 | |
| 1 | 9 | |
| - | - | |
| 0.0 | 10.0 | |
| over 2 years ago | over 6 years ago | |
| Python | ||
| GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
py65_int
Posts with mentions or reviews of py65_int.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-01-11.
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Simulating the 65C816 in py65
I've recommended py65, by Mike Naberezny, for 6502 development and have created several enhancements to it for my own builds (interrupt handling and debug window). Unfortunately, py65 doesn't support the 65C816. Luckily, it's open source and easy to modify, so I thought I'd try adding support for the 65C816.
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Adding a separate debug window to the py65 6502 emulator
After recently testing out modifying py65 to handle interrupts, I decided to have a go at adding a separate debug window to the emulator. A separate debug window is nice because you can use the debug/monitor features while your program is running, and its output doesn't mess up the main terminal.
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My Frankensteined 6502 - Five Months In
I also have plans for a 65C816 build in the future. I've been checking out emulators for the chip recently. Given my recent work customizing the py65 emulator for interrupts, I might take a stab at enhancing it for the 65C816 as a side project.
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Handling 6502 interrupts in py65
A while back I saw some work by u/adix that made me realize that modifying py65 was fairly straight forward. After getting it to simulate SD card access, I decided to see if I could get it to handle interrupts as well. With those changes I could use my hardware binary with py65. Check out the needed modifications on my GitHub. Of course, the changes that you need to make will be based on your particular build and code but hopefully my work will point you in the right direction if you're interested.
LiaraForth
Posts with mentions or reviews of LiaraForth.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-04-13.
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Ben's 6502 running with a 65816
Scot W. Stevenson's Liara Forth is designed to run on a W65C265SXB development board but could be modified to work on other hardware. I modified the binary file to run on my emulator for testing purposes. I believe it runs only in bank 0 and it doesn't particularly take advantage of many 65816 features.
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Starting something new in February... Step 1: buy stuff. (W65C816S build)
I got my w65c265sxb board up and running with the help of the A Most Very Unofficial Guide to the W65C265SXB and Liara Forth. I found it very helpful to have a fully functioning program to start learning the 65816's new modes.
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Simulating the 65C816 in py65
It was a bigger project than I thought, but I was able to get a version of Liara Forth, by Scot W. Stevenson, running last night (Liara Forth was designed for the W65C265SXB development board which has a 65C816 at its core).
What are some alternatives?
When comparing py65_int and LiaraForth you can also consider the following projects:
TaliForth2 - A Subroutine Threaded Code (STC) ANS-like Forth for the 65c02
w65c816sxb-forth - A Direct Threaded Forth for the WDC W65C816SXB developer board
py65 - Emulate 6502-based microcomputer systems in Python
py65_65816 - Add support for the 65C816 to py65
265SXB-Guide - A Most Very Unofficial Guide to the W65C265SXB
of816 - Portable 32-bit Forth for the 65C816.
py65816 - Emulate 65816-based microcomputer systems in Python
of816 - Portable 32-bit Forth for the 65C816.