MSaarna at 04:00, 3 November 2015

2015-11-03T04:00:14Z

MSaarna: Created page with "==Atari 7800 HSC NVRAM Layout== {| style="float:left;" ! 1000 || style="background-color: #fc8;" | 00 || style="background-color: #fc8;" | 00 || style="background-color:..."

2015-11-03T03:45:21Z

Created page with "==Atari 7800 HSC NVRAM Layout== {| style="float:left;" ! 1000 || style="background-color: #fc8;" | 00 || style="background-color: #fc8;" | 00 || style="background-color:..."

New page

==Atari 7800 HSC NVRAM Layout==

{| style="float:left;"
! 1000 || style="background-color: #fc8;" | 00 || style="background-color: #fc8;" | 00 || style="background-color: #fcf;" | 68 || style="background-color: #fcf;" | 83 || style="background-color: #fcf;" | aa || style="background-color: #fcf;" | 55 || style="background-color: #fcf;" | 9c || style="background-color: #acf;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 01 || style="background-color: #faa;" | 03 || style="background-color: #faa;" | 1f || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00
|-
! 1010 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00
|-
! 1020 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #faa;" | 00 || style="background-color: #ffb;" | 03 || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff
|-
! 1030 || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff
|-
! 1040 || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff
|-
! 1050 || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff
|-
! 1060 || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | ff || style="background-color: #8fc;" | 23 || style="background-color: #8fc;" | 8a || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff
|-
! 1070 || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff
|-
! 1080 || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff
|-
! 1090 || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff
|-
! 10a0 || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff || style="background-color: #caa;" | ff
|-
! 10b0 || style="background-color: #caa;" | ff || style="background-color: #caa;" | 23 || style="background-color: #caa;" | 0f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f
|-
! 10c0 || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f
|-
! 10d0 || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f
|-
! 10e0 || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f
|-
! 10f0 || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 7f || style="background-color: #8c8;" | 04 || style="background-color: #8c8;" | 04 || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f
|-
! 1100 || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f
|-
! 1110 || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f
|-
! 1120 || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f
|-
! 1130 || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 7f || style="background-color: #c8c;" | 01 || style="background-color: #c8c;" | 02 || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff
|-
! 1140 || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff
|-
! 1150 || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff
|-
| ..... || .. || .. || .. || .. || .. || .. || .. || .. || .. || .. || .. || .. || .. || .. || .. || ..
|-
! 1780 || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff
|-
! 1790 || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff
|-
! 17a0 || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff
|-
! 17b0 || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff
|-
! 17c0 || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | ff || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 43 || style="background-color: #cbb;" | 34 || style="background-color: #cbb;" | 08 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | da || style="background-color: #cbb;" | 9a || style="background-color: #cbb;" | 00
|-
! 17d0 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | da || style="background-color: #cbb;" | 9a || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | da || style="background-color: #cbb;" | 9a || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | da || style="background-color: #cbb;" | 9a || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00
|-
! 17e0 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 43 || style="background-color: #cbb;" | 75 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | da || style="background-color: #cbb;" | 9a || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | da || style="background-color: #cbb;" | 9a || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00
|-
! 17f0 || style="background-color: #cbb;" | da || style="background-color: #cbb;" | 9a || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | da || style="background-color: #cbb;" | 9a || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #cbb;" | 00 || style="background-color: #aac;" | da || style="background-color: #aac;" | 9a || style="background-color: #aac;" | 00 || style="background-color: #aac;" | 00 || style="background-color: #aac;" | 00 || style="background-color: #fff;" | ff
|}

{| style="float:left; margin-left: 30px;"
! color !! purpose !! size
|-
| style="background-color: #fc8;" |   || backup for zp94 and zp95 || 2 bytes
|-
| style="background-color: #fcf;" |   || cart magic number || 5 bytes
|-
| style="background-color: #acf;" |   || current function ID || 1 byte
|-
| style="background-color: #faa;" |   || cart owner name || 32 bytes
|-
| style="background-color: #ffb;" |   || cart owner name length || 1 byte
|-
| style="background-color: #8fc;" |   || game ID table, byte 1 || 69 bytes
|-
| style="background-color: #caa;" |   || game ID table, byte 2 || 69 bytes
|-
| style="background-color: #8c8;" |   || game difficulty level table || 69 bytes
|-
| style="background-color: #c8c;" |   || game index table || 69 bytes
|-
| style="background-color: #cbb;" |   || game save entries table || 25 x 69 bytes
|-
| style="background-color: #aac;" |   || temp score entry || 5 bytes
|-
| style="background-color: #fff; border-style: solid solid solid solid;" |   || unused || 1 byte
|}

<div style="clear:both;"></div>

Notes:

*The above pictured data is for 2 games: Xevious (ID: $2323) and FoodFight (ID:$8A0F), each with a single difficulty=4 save.
*If any of the magic numbers are wrong, the HSC is assumed to be corrupted and will be reformatted the next time an official HSC game is played.
*All tables have 69 entries, and are populated from back to front.
*If you wish to make your own save on an initialized HSC without using the HSC routines, you need to make a new entry in the 2 game ID tables, the difficulty table, and the index table. The game index table entries should be rewritten to all be consecutive.

← Older revision		Revision as of 04:00, 3 November 2015
Line 104:		Line 104:
	*All tables have 69 entries, and are populated from back to front.		*All tables have 69 entries, and are populated from back to front.
	*If you wish to make your own save on an initialized HSC without using the HSC routines, you need to make a new entry in the 2 game ID tables, the difficulty table, and the index table. The game index table entries should be rewritten to all be consecutive.		*If you wish to make your own save on an initialized HSC without using the HSC routines, you need to make a new entry in the 2 game ID tables, the difficulty table, and the index table. The game index table entries should be rewritten to all be consecutive.
		+	*The 3 high score initials are encoded with 5 bits each, consolidated into 2 bytes, in the form 22211111 22-33333

HSC Layout - Revision history

MSaarna at 04:00, 3 November 2015

MSaarna: Created page with "==Atari 7800 HSC NVRAM Layout== {| style="float:left;" ! 1000 || style="background-color: #fc8;" | 00 || style="background-color: #fc8;" | 00 || style="background-color:..."