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[/] [zet86/] [trunk/] [cores/] [zet] - Rev 55

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Rev Log message Author Age Path
55 Directory restructuration zeus 5475d 22h /zet86/trunk/cores/zet
53 Wishbone's ack now is 1 cycle to make it 100% wb compatible zeus 5520d 08h /zet
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 5524d 06h /zet
49 New directory structure. root 5526d 16h /zet
46 int13 speedup (now it boots 50% faster) zeus 5533d 10h /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 5535d 01h /zet
44 Hardware debugger with memory dump support zeus 5545d 07h /zet
43 Wishbone compatible 8042 keyboard controller zeus 5558d 23h /zet
42 External interrupts support zeus 5570d 00h /zet
41 VGA status register and more VGA BIOS code zeus 5582d 18h /zet
40 Decoder simplified and VDU corrected zeus 5584d 23h /zet
39 Synchronized with git master - Big cleanup zeus 5642d 23h /zet
37 BIOS booting zeus 5668d 02h /zet
35 Full Wishbone master compliant zeus 5672d 01h /zet
32 Segment override prefix done zeus 5676d 12h /zet
31 Instruction AAM done zeus 5677d 11h /zet
30 DIV/IDIV instructions zeus 5677d 22h /zet
29 MUL/MULI/AAD instructions zeus 5682d 03h /zet
28 CMP/NEG completed zeus 5682d 23h /zet
27 ADD/SUB instructions zeus 5683d 03h /zet

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