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

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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 5716d 05h /zet86/trunk/soc/bios/
49 New directory structure. root 5718d 14h /zet86/trunk/soc/bios/
48 Cursor shape in text mode implemented.
Also function 01 of int 10 (biosfn_set_cursor_shape)		 zeus 5723d 05h /zet86/trunk/soc/bios/
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 5724d 00h /zet86/trunk/soc/bios/
46 int13 speedup (now it boots 50% faster) zeus 5725d 08h /zet86/trunk/soc/bios/
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 5727d 00h /zet86/trunk/soc/bios/
44 Hardware debugger with memory dump support zeus 5737d 06h /zet86/trunk/soc/bios/
43 Wishbone compatible 8042 keyboard controller zeus 5750d 21h /zet86/trunk/soc/bios/
42 External interrupts support zeus 5761d 22h /zet86/trunk/soc/bios/
41 VGA status register and more VGA BIOS code zeus 5774d 17h /zet86/trunk/soc/bios/
40 Decoder simplified and VDU corrected zeus 5776d 22h /zet86/trunk/soc/bios/
39 Synchronized with git master - Big cleanup zeus 5834d 21h /zet86/trunk/soc/bios/
37 BIOS booting zeus 5860d 00h /zet86/trunk/soc/bios/
34 Preliminary BIOS zeus 5867d 00h /zet86/trunk/soc/bios/
27 ADD/SUB instructions zeus 5875d 02h /zet86/trunk/soc/bios/
26 New BIOS version and Conversion instructions zeus 5878d 22h /zet86/trunk/soc/bios/

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