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[/] [zet86/] [trunk/] [soc/] - Rev 53

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Rev Log message Author Age Path
53 Wishbone's ack now is 1 cycle to make it 100% wb compatible zeus 5518d 17h /zet86/trunk/soc/
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 5522d 15h /zet86/trunk/soc/
49 New directory structure. root 5525d 01h /zet86/trunk/soc/
48 Cursor shape in text mode implemented.
Also function 01 of int 10 (biosfn_set_cursor_shape)
zeus 5529d 16h /trunk/soc/
47 Implemented partial BIOS service int 1a (function 0), in order to prevent FreeDOS from doing weird things after a while.

With this bug corrected, there are no open bugs.
zeus 5530d 11h /trunk/soc/
46 int13 speedup (now it boots 50% faster) zeus 5531d 19h /trunk/soc/
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 10h /trunk/soc/
44 Hardware debugger with memory dump support zeus 5543d 16h /trunk/soc/
43 Wishbone compatible 8042 keyboard controller zeus 5557d 08h /trunk/soc/
42 External interrupts support zeus 5568d 09h /trunk/soc/
41 VGA status register and more VGA BIOS code zeus 5581d 03h /trunk/soc/
40 Decoder simplified and VDU corrected zeus 5583d 08h /trunk/soc/
39 Synchronized with git master - Big cleanup zeus 5641d 08h /trunk/soc/
37 BIOS booting zeus 5666d 11h /trunk/soc/
35 Full Wishbone master compliant zeus 5670d 10h /trunk/soc/
34 Preliminary BIOS zeus 5673d 11h /trunk/soc/
27 ADD/SUB instructions zeus 5681d 12h /trunk/soc/
26 New BIOS version and Conversion instructions zeus 5685d 09h /trunk/soc/

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