easy6502
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skilldrick
sites been dead for a few months now judging by what the internet archive shows
The link to http://www.obelisk.me.uk/6502/registers.html seems to be dead. The easiest solution might be to use the Wayback Machine link instead: https://web.archive.org/web/20210626024532/http://www.obelisk.me.uk/6502/registers.html
It seems that SBC is not calculating correctly ``` Address Hexdump Dissassembly ------------------------------- $0600 a9 09 LDA #$09 $0602 e9 01 SBC #$01 ``` `0600: a9 09 e9 01 `...
It would be nice if the approx clock cycles could be added up automatically and displayed somewhere during assembly. Would help with metrics when trying to learn to optimize code.
Love your emulator; it's the perfect learning tool for 6502. On the note of learning, I managed to write some impossible 6502 and the assembler didn't throw a syntax error....
I'm just getting used to the built-in 6502 emulator. I'm having problems trying a code even a simple cursor. All I want is a single dot that could move up,...
I tried the tutorial and I noted a bug with STA instruction. This is an example from tutorial (##Indexed indirect: ($c0,X)###): ``` Address Hexdump Dissassembly ------------------------------- $0600 a2 01 LDX...
This code looks reasonable. define Screen $200 LDY #$21 LDA #1 STA Screen,Y ; this works LDA #Screen STA $3 LDA #4 STA ($2),Y ; this does not work but...
