Uploaded June 2023 | Updated September 2026, 2 weeks ago

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We take a look at the IBM XGA standard and try to program an IIT chip that is almost 100% XGA compatible.

INMOS XGA Guide:

ardent-tool.com/video/72-OEK-258-00_XGA_Software_Programmers_Guide_Sep91.pdf

IIT AGX Datasheet:

pdf-html.ic37.com/pdf_file_B/20200531/pdf_pdf/PdfOld/icpdf_datasheet_1/IIT-A_datasheet_19743/324506/IIT-A_datasheet.pdf

IIT Text file (provenance unknown):

https://pdos.csail.mit.edu/6.828/2008/readings/hardware/vgadoc/IIT.TXT

I also used:

* The PC Graphics Handbook, by Julio Sanchez & Maria P. Canton
* Programmer's Guide to the EGA, VGA and Super VGA Cards, by Richard F. Ferrero