#LINUX 6502 EMULATOR CODE#
Load machine code into memory ushort codeAddress = 0x c000 Test program // - adds values from two memory location // - divides it by 2 (rotate right one bit position) // - stores it in another memory location // Load input data into memory byte value1 = 12
#LINUX 6502 EMULATOR HOW TO#
How to use Highbyte.DotNet6502 library from a.
Inspiration for this library was a Youtube-series about implementing a 6502 emulator in C++ Table of Contents
COPY copies 4k data from the system memory PET BASIC executable from LOOP5.basic and eichtest - builds the burn-in test that, at its start, shows how fast the systemĪctually works (uses screen interrupts to determine system speed, so works.Well as benchcode.a65 and eichcode.a65 assembler benchmark - builds the BENCH benchmark program used to check the.Here is a description of the different tests (by subdirectory): The -w switch to enable 65816 code, as well as petcatįrom the VICE emulator package to build the BASIC parts. Note that building them requires the xa cross assembler, using Here are some small tests that test the various features of the board. I just didn't have enough time to really do the optimization.Īfter some optimization described in this blog entry I managed to get it faster by a factor of two (only with optimization of BASIC code): Here's a small demo (note: don't judge the absolute speed of the demo - only the difference between 1 and 10 MHz. The prototype has been tested with my CS/A65 computer, in the MMU board - which isĮasier to handle when you have to change things often.
Parts, as well as two 512k static RAM and one 512k Flash RAM chip.
#LINUX 6502 EMULATOR GENERATOR#
On the board there is the CPU, the CPLD logic, the new clock generator (50MHz), some few support The interface itself is, in fact, pretty simple. The board prototype installed in a Commodore 8296 - running a benchmark at 10 MHz!
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