Historic Documents - Revision history

MSaarna at 20:03, 20 July 2025

2025-07-20T20:03:08Z

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2025-07-20T17:00:34Z

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 ''A rough scan of the 7800's NTSC BIOS source code. (April 1984)''
-* '''Note 1:''' If you want this information for development purposes, you might wish to check out the [[7800_NTSC_BIOS]] page, or the [[7800 PAL BIOS]] page, both of which can build with modern assemblers.
+* '''Note 1:''' If you want this information for development purposes, you might wish to check out the [[7800_NTSC_BIOS]] or [[7800 PAL BIOS]] pages, both of which can build with modern assemblers.
 ---

@@ Line 26: / Line 26: @@
 ''A rough scan of the 7800's NTSC BIOS source code. (April 1984)''
-* '''Note 1:''' If you want this information for development purposes, you might wish to check out the [[7800_NTSC_BIOS]] page, which can build with modern assemblers.
+* '''Note 1:''' If you want this information for development purposes, you might wish to check out the [[7800_NTSC_BIOS]] page, or the [[7800 PAL BIOS]] page, both of which can build with modern assemblers.
 ---

@@ Line 19: / Line 19: @@
 === [[Media:7800_keyboard_programming.pdf|7800_keyboard_programming.pdf]] ===
-''GCC's guide to programming the planned 7800 Prosystem keyboard peripheral. (June 1984)'''
+''GCC's guide to programming the planned 7800 Prosystem keyboard peripheral. (June 1984)''
 ---
@@ Line 48: / Line 55: @@
 === [[Media:7800_software.pdf|7800_software.pdf]] ===
-''The 7800 Software Guide covers most programming aspects about the 7800. If you want this information for non-historic purposes, check out the [[7800_Software_Guide]] page instead, which has supplementary information and corrections from the modern era. (??? 1984)''
+''The 7800 Software Guide covers most programming aspects about the 7800.  (??? 1984)''
+* '''Note 1:''' If you want this information for development purposes, check out the [[7800_Software_Guide]] page instead, which has supplementary information and corrections from the modern era.
 ---

@@ Line 15: / Line 15: @@
 * '''Note 1:''' Page 1 mentions a version of Maria (number 1722) intended for 680X0 series processors.
 * '''Note 2:''' Page 5 notes that the CTRL register's test/forbidden DMA mode “Does not assert HALT,” a detail not known to be documented elsewhere.
 ---
@@ Line 38: / Line 44: @@
 → See: [[The 7800 Minnie sound chip]]
 ---
 === [[Media:7800_software.pdf|7800_software.pdf]] ===

@@ Line 43: / Line 43: @@
 === [[Media:7800_software.pdf|7800_software.pdf]] ===
 ''The 7800 Software Guide covers most programming aspects about the 7800. If you want this information for non-historic purposes, check out the [[7800_Software_Guide]] page instead, which has supplementary information and corrections from the modern era. (??? 1984)''
 ---
@@ Line 49: / Line 54: @@
 ''The files in this archive appear to represent layout and mask preparation data from various development stages and regional variants of the MARIA chip, including what may be NTSC and PAL configurations. (August 1983)''
 * '''Note 1:''' While some files use the `.GDS` extension, only the "example.gds" file conforms to the standard GDSII (Calma Stream) layout format. See the contained README.txt for more information.

@@ Line 3: / Line 3: @@
 This collection of historical documents centers on the Atari 7800 and its hardware, with many originating from the late Atari historian Curt Vendel. Some materials were publicly available through his Atari Museum website, while others have been preserved from his private archives and are now being shared more widely.
-In no particular order:
+In reverse chronological order:
 === [[Media:7800_standards.pdf|7800_standards.pdf]] ===
@@ Line 15: / Line 15: @@
 * '''Note 1:''' Page 1 mentions a version of Maria (number 1722) intended for 680X0 series processors.
 * '''Note 2:''' Page 5 notes that the CTRL register's test/forbidden DMA mode “Does not assert HALT,” a detail not known to be documented elsewhere.
 ---
@@ Line 20: / Line 24: @@
 === [[Media:Gcc1702b_maria_specs.pdf|Gcc1702b_maria_specs.pdf]] ===
 ''The Maria Chip Specification acceptance form, meant for sign-off by VCC, GCC, and Atari. (March 1984)''
 ---

@@ Line 6: / Line 6: @@
 === [[Media:7800_standards.pdf|7800_standards.pdf]] ===
-''Atari's game development standards for programmers. (October 1987)
+''Atari's game development standards for programmers, covering items like game options and attract modes. (October 1987)
 ---

@@ Line 20: / Line 20: @@
 === [[Media:TIA-Maria_Gate-Level_Logic_Diagrams.pdf|TIA-Maria_Gate-Level_Logic_Diagrams.pdf]] ===
 ''This document contains gate level diagrams for the different sections of the planned TIA-Maria hybrid chip. (April 1984)''
 ---

← Older revision		Revision as of 16:23, 20 July 2025
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	In no particular order:		In no particular order:
		+
		+	=== [[Media:7800_standards.pdf\|7800_standards.pdf]] ===
		+	''Atari's game development standards for programmers. (October 1987)
		+
		+	---

	=== [[Media:7800_Maria_Specs.pdf\|7800_Maria_Specs.pdf]] ===		=== [[Media:7800_Maria_Specs.pdf\|7800_Maria_Specs.pdf]] ===