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[/] [zet86/] [trunk/] [cores/] [zet/] [rtl/] [fetch.v] - Rev 55

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Rev Log message Author Age Path
55 Directory restructuration zeus 5474d 16h /zet86/trunk/cores/zet/rtl/fetch.v
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 5523d 01h /fetch.v
49 New directory structure. root 5525d 10h /fetch.v
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 5533d 20h /fetch.v
42 External interrupts support zeus 5568d 18h /fetch.v
40 Decoder simplified and VDU corrected zeus 5583d 17h /fetch.v
39 Synchronized with git master - Big cleanup zeus 5641d 17h /fetch.v
37 BIOS booting zeus 5666d 20h /fetch.v
35 Full Wishbone master compliant zeus 5670d 19h /fetch.v
32 Segment override prefix done zeus 5675d 06h /fetch.v
31 Instruction AAM done zeus 5676d 06h /fetch.v
30 DIV/IDIV instructions zeus 5676d 17h /fetch.v
29 MUL/MULI/AAD instructions zeus 5680d 21h /fetch.v
28 CMP/NEG completed zeus 5681d 18h /fetch.v
27 ADD/SUB instructions zeus 5681d 22h /fetch.v
26 New BIOS version and Conversion instructions zeus 5685d 18h /fetch.v
24 Rotate insructions support zeus 5687d 19h /fetch.v
22 Shift instructions tested zeus 5691d 18h /fetch.v
21 Shifts test case zeus 5692d 18h /fetch.v
19 Bitwise operators test bench zeus 5702d 18h /fetch.v

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