Mercurial > hg > Members > kono > nitros9-code
diff defs/atari.d @ 2625:d1ea3dc90082
More progress... now booting with DriveWire
| author | Boisy Pitre <boisy.pitre@nuance.com> |
|---|---|
| date | Sat, 25 Feb 2012 18:21:34 -0600 |
| parents | b8c7b7fbf3c9 |
| children | a34c08cdfcb2 |
line wrap: on
line diff
--- a/defs/atari.d Fri Feb 24 08:51:08 2012 -0600 +++ b/defs/atari.d Sat Feb 25 18:21:34 2012 -0600 @@ -4,6 +4,49 @@ ******************************************************************** * AtariDefs - NitrOS-9 System Definitions for the Atari XE/XL * +* This is a high level view of the Atari XE/XL memory map as setup by +* NitrOS-9. +* +* $0000----> ================================== +* | | +* | NitrOS-9 Globals/Stack | +* | | +* $0500---->|==================================| +* | | +* | Atari | +* $0500-$08BF | Screen Memory | +* | (40x24) | +* | | +* |----------------------------------| +* $08C0-$08FF | ANTIC Display List | +* $9000---->|----------------------------------| +* | | +* . . . . . . . . . . . . . . . . . +* | | +* | RAM available for allocation | +* | by NitrOS-9 and Apps | +* | | +* . . . . . . . . . . . . . . . . . +* | | +* $C000---->|==================================| +* | | +* $C000-$CFFF | ROM | +* | | +* $D000---->|==================================| +* | | +* | XEGS Memory Mapped I/O Region | +* |(may differ in location on others)| +* | | +* $D800---->|==================================| +* | | +* $D800-$FFFF | ROM | +* | | +* |==================================| +* +* +* Atari Hardware is documented here: +* http://user.xmission.com/~trevin/atari/pokey_regs.html +* * $Id$ * * Edt/Rev YYYY/MM/DD Modified by