6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-11-28 06:49:39 +00:00
Code Issues Projects Releases Wiki Activity

Updated The Mockingboard (markdown)

Thomas Harte 2024-02-14 22:43:51 -05:00
parent 36b9d020a2
commit fe5e6f331b
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
The-Mockingboard.md

@ -5,9 +5,9 @@ The Mockingboards are a series of audio expansions for the Apple II, the most co
Each AY is connected to its 6522:
* port A is connected to the AY's data pins;
* bit 0 of port B is connected to the AY's BC1;
* bit 1 of port B is connected to the AY's BCDIR;
* BC2 is connected to +5v; and
* bit 2 of port B is connected to the AY's reset.
* bit 1 of port B is connected to the AY's BDIR;
* bit 2 of port B is connected to the AY's BC2; and
* the AY's reset is active if all of bits 0, 1 and 2 are reset.
The three channels from each AY are mixed together with equal volume.