Differences

This shows you the differences between two versions of the page.

--- registers [2021/09/08 09:19] – silverdr
+++ registers [2022/07/27 13:35] (current) – silverdr
@@ Line 4: / Line 4: @@
 ^ Address:bit(s) ^ Name ^ Width [bits] ^ Description ^
 | $D031   | <BOOKMARK:CONTROL>CONTROL | 8 | Main control register. Also used to activate BeamRacer after boot or Run/Stop-Restore by writing values "B" ($42, 66 dec) followed by "R" ($52, 82 dec).  |
-| $D031:210 | RAMBANK | 3 | Number of a memory bank (0 to 7) accessible through ports. |
+| $D031:210 | RAMBANK | 3 | Number of a memory bank (0 to 7) accessible through ports. If written simultaneously with bit 3 ''DLIST_ON'' cleared (displaylist processing turned OFF), also memory bank, in which displaylists are executed is changed. |
-| $D031:3 | <BOOKMARK:DLIST_ON>DLIST_ON | 1 | When set to "1", display list execution will start at the beginning of the next frame. \\ When set to "0", display list execution stops immediately. |
+| $D031:3 | <BOOKMARK:DLIST_ON>DLIST_ON | 1 | When set to "1", display list execution will start at the beginning of the next frame. \\ When set to "0", display list execution stops immediately and memory bank for displaylist execution is set in accordance with ''RAMBANK'' bits value. |
 | $D031:4 | <BOOKMARK:PORT_READ_ENABLE>PORT_READ_ENABLE | 1 | When "1" data can be read from both memory ports. |
 | $D031:5 | <BOOKMARK:GRAYDOT_KILL>GRAYDOT_KILL | 1 | "1" disables HMOS VIC-II grey dots visible on CPU writes to currently active color register. \\ "0" - dots are visible as usual. |