OpenCores
URL https://opencores.org/ocsvn/zet86/zet86/trunk

Subversion Repositories zet86

[/] [zet86/] [trunk/] [cores/] [zet/] - Rev 52

Rev

Go to most recent revision

Filtering Options

Clear current filter

Rev Log message Author Age Path
52 * Zet working at 25 Mhz without any visible problems...
* Implemented a simple PIC and Timer to receive both IRQ0 and IRQ1
* Hard disk implementation:
* Compact Flash controller through sysace (thanks to Sébastien
Bourdeauducq)
* int13_harddisk() function with read/write support
* int 19h implemented for hard disk
* Fetch simplification for NOP instruction
* Simulation model for the multiplier		 zeus 5566d 10h /zet86/trunk/cores/zet/
49 New directory structure. root 5568d 19h /zet86/trunk/cores/zet/
46 int13 speedup (now it boots 50% faster) zeus 5575d 13h /zet86/trunk/cores/zet/
45 Major flaws corrected:
* XCHG and SAHF microcode corrections
* Synchronized 'inta' signal with interrupt flag and 'intr'
* BIOS pusha 8086 transformation correction
* Decoder corrected for: CMP, ADD, ADC, SUB, SBB, XOR, AND, OR with i
* Implemented functions 08, 09 and 0a of int 10h
* Keyboard BIOS interrupts int 16h and int 09h now working

1st version instr trace		 zeus 5577d 05h /zet86/trunk/cores/zet/
44 Hardware debugger with memory dump support zeus 5587d 11h /zet86/trunk/cores/zet/
43 Wishbone compatible 8042 keyboard controller zeus 5601d 02h /zet86/trunk/cores/zet/
42 External interrupts support zeus 5612d 04h /zet86/trunk/cores/zet/
41 VGA status register and more VGA BIOS code zeus 5624d 22h /zet86/trunk/cores/zet/
40 Decoder simplified and VDU corrected zeus 5627d 03h /zet86/trunk/cores/zet/
39 Synchronized with git master - Big cleanup zeus 5685d 03h /zet86/trunk/cores/zet/
37 BIOS booting zeus 5710d 05h /zet86/trunk/cores/zet/
35 Full Wishbone master compliant zeus 5714d 05h /zet86/trunk/cores/zet/
32 Segment override prefix done zeus 5718d 16h /zet86/trunk/cores/zet/
31 Instruction AAM done zeus 5719d 15h /zet86/trunk/cores/zet/
30 DIV/IDIV instructions zeus 5720d 02h /zet86/trunk/cores/zet/
29 MUL/MULI/AAD instructions zeus 5724d 06h /zet86/trunk/cores/zet/
28 CMP/NEG completed zeus 5725d 03h /zet86/trunk/cores/zet/
27 ADD/SUB instructions zeus 5725d 07h /zet86/trunk/cores/zet/
26 New BIOS version and Conversion instructions zeus 5729d 04h /zet86/trunk/cores/zet/
25 Constant divider by 10 for AAM zeus 5730d 06h /zet86/trunk/cores/zet/

1 2 Next >

Show All

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.