Search found 4 matches

by cmoh89
Tue Mar 22, 2011 7:05 am
Forum: NESemdev
Topic: cpu_timing_test6 by Blargg
Replies: 8
Views: 8211

Thank you. I didn't understand what the code was representing originally. Now, it makes sense to me.
by cmoh89
Sun Mar 20, 2011 1:29 pm
Forum: NESemdev
Topic: cpu_timing_test6 by Blargg
Replies: 8
Views: 8211

I do not know the BRK timing diagram. Can you point me in the right direction to find more infomation about it?
by cmoh89
Sun Feb 27, 2011 1:16 pm
Forum: NESemdev
Topic: cpu_timing_test6 by Blargg
Replies: 8
Views: 8211

cpu_timing_test6 by Blargg

The read me said to post Unknown Erros to the forum, so the following is the error I'm getting when testing my emulation. 6502 Timing Test (16 Seconds) Official Instructions Only Fail OP :$00 Unknown Error $019B If you have any advice/knowledge on what could possibly be wrong with my emulation that ...
by cmoh89
Sat Feb 12, 2011 11:13 am
Forum: Newbie Help Center
Topic: Assembly Branch and Jump '-' & '+'
Replies: 4
Views: 2322

Assembly Branch and Jump '-' & '+'

I got some cpu_timing_tests assembly source code that I was trying to understand what the code was doing. I noticed some branch and jump instructions that branched/jumped to a '-' or a '+'. What does the '-' and '+' mean? Example bne - Where does this line branch to if the branch condition is met? T...