Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-08 01:28:00 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

fidel68k: update notes for mach III (nw)

Browse Source
This commit is contained in:
hap 2017-12-09 21:16:34 +01:00
parent 9f32751cc9
commit 6c7c1e8a67
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/mame/drivers/fidel68k.cpp
View File

@ -11,7 +11,6 @@
such as Arena(in editmode). such as Arena(in editmode).
TODO: TODO:
- fex68km3 addressmap RAM mirror? PCB has 2*32K RAM, emulated has 16K+64K
- USART is not emulated - USART is not emulated
- V9(68030 @ 32MHz) is faster than V10(68040 @ 25MHz) but it should be the other - V9(68030 @ 32MHz) is faster than V10(68040 @ 25MHz) but it should be the other
way around, culprit is unemulated cache? way around, culprit is unemulated cache?
@ -29,7 +28,7 @@ PCB label 510-1129A01
PCB has edge connector for module, but no external slot PCB has edge connector for module, but no external slot
There's room for 2 SIMMs at U22 and U23. Unpopulated in Excel 68000, used for There's room for 2 SIMMs at U22 and U23. Unpopulated in Excel 68000, used for
128KB hashtable RAM in Mach II. Mach III has wire mods to U8/U9(2*32KB). 128KB hashtable RAM in Mach II. Mach III has wire mods to U8/U9(2*8KB + 2*32KB piggybacked).
I/O is via TTL, overall very similar to EAG. I/O is via TTL, overall very similar to EAG.