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[/] [zet86/] [trunk/] [soc/] [bios/] [rombios.c] - Rev 52

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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 5529d 15h /zet86/trunk/soc/bios/rombios.c
49 New directory structure. root 5532d 00h /zet86/trunk/soc/bios/rombios.c
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 5537d 11h /zet86/trunk/soc/bios/rombios.c
46 int13 speedup (now it boots 50% faster) zeus 5538d 18h /zet86/trunk/soc/bios/rombios.c
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 5540d 10h /zet86/trunk/soc/bios/rombios.c
44 Hardware debugger with memory dump support zeus 5550d 16h /zet86/trunk/soc/bios/rombios.c
43 Wishbone compatible 8042 keyboard controller zeus 5564d 07h /zet86/trunk/soc/bios/rombios.c
42 External interrupts support zeus 5575d 08h /zet86/trunk/soc/bios/rombios.c
41 VGA status register and more VGA BIOS code zeus 5588d 03h /zet86/trunk/soc/bios/rombios.c
40 Decoder simplified and VDU corrected zeus 5590d 08h /zet86/trunk/soc/bios/rombios.c
39 Synchronized with git master - Big cleanup zeus 5648d 07h /zet86/trunk/soc/bios/rombios.c
37 BIOS booting zeus 5673d 10h /zet86/trunk/soc/bios/rombios.c
34 Preliminary BIOS zeus 5680d 11h /zet86/trunk/soc/bios/rombios.c
27 ADD/SUB instructions zeus 5688d 12h /zet86/trunk/soc/bios/rombios.c
26 New BIOS version and Conversion instructions zeus 5692d 09h /zet86/trunk/soc/bios/rombios.c

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