Changes
CRTC
,/* CRTC Type Detection */
|}
<br>
== CRTC Type Detection ==
<pre>
10 MODE 1:' Reinitialize screen
20 OUT &BC00,1231:IF INP(&BF00)=0 255 THEN GOTO 80PRINT"crtc 1":END30 ' If we are here, it is a CRTC0 or 3/440 OUT &BC00,2012:IF INP(&BF00)=0 THEN GOTO 6050 PRINT"crtc 3/42":END60 PRINT"crtc 0":END70 ' If we are here, it is a CRTC1 or 280 40 OUT &BC00,3120:IF INP(&BF00)=0 THEN GOTO 10090 PRINT"crtc 10":END100 50 PRINT"crtc 23/4":END
</pre>
<br>
== CRTC Timing Diagram ==
[[File:CRTC timing small.gif]]
<br>
== Internal Counters ==
|}
<br>
== Hitachi Block Diagram ==
[[File:CRTC Block Diagram.png]]
<br>
== UMC Block Diagram ==
[[File:UMC CRTC Block Diagram.png]]
<br>
== Motorola Block Diagram ==
[[File:Motorola CRTC Block Diagram.png]]
<br>
== Datasheets ==
