ULA.txt | raw changeset files shortlog |
1.1 --- a/ULA.txt Mon Apr 13 17:05:49 2020 +0200 1.2 +++ b/ULA.txt Wed Apr 15 22:31:08 2020 +0200 1.3 @@ -176,6 +176,10 @@ 1.4 CPU to signal directly to the RAM instead of having the ULA perform the access 1.5 signalling on the CPU's behalf. 1.6 1.7 +Note that 16MHz cycles would still be needed for the pixel clock in MODE 0, 1.8 +which needs to output eight pixels per 2MHz cycle, producing 640 monochrome 1.9 +pixels per 80-byte line. 1.10 + 1.11 CPU Clock Notes 1.12 --------------- 1.13