3b1emu / changelog

fixes to Base RAM addressing -- 512K detected OK now, still need to deal with Expansion RAM detect issues

• Tue, 28 Dec 2010 17:23:04 +0000
• by Philip Pemberton <philpem@philpem.me.uk> [Tue, 28 Dec 2010 17:23:04 +0000] rev 60
• fixes to Base RAM addressing -- 512K detected OK now, still need to deal with Expansion RAM detect issues

partial rewrite of memory / I/O handling code to reduce repetition

• Tue, 28 Dec 2010 16:59:40 +0000
• by Philip Pemberton <philpem@philpem.me.uk> [Tue, 28 Dec 2010 16:59:40 +0000] rev 59
• partial rewrite of memory / I/O handling code to reduce repetition

update hgignore

• Wed, 15 Dec 2010 01:20:57 +0000
• by Philip Pemberton <philpem@philpem.me.uk> [Wed, 15 Dec 2010 01:20:57 +0000] rev 58
• update hgignore

add CHS param checking (FDC), fix DMA address setting (DMA_XFER)

• Tue, 14 Dec 2010 02:41:40 +0000
• by Philip Pemberton <philpem@philpem.me.uk> [Tue, 14 Dec 2010 02:41:40 +0000] rev 57
• add CHS param checking (FDC), fix DMA address setting (DMA_XFER)
  
  * Floppy controller wasn't checking CHS values. Fixed.
  * DMA ADDRESS COUNT register was implemented completely wrong -- shifts and ANDmasks were wrong. Fixed.
  
  Boot PROM and Loader now run to the point of booting the kernel!

disable floppy interrupts (to CPU), force HDD int flag on (i.e. command always complete)

• Mon, 13 Dec 2010 03:00:43 +0000
• by Philip Pemberton <philpem@philpem.me.uk> [Mon, 13 Dec 2010 03:00:43 +0000] rev 56
• disable floppy interrupts (to CPU), force HDD int flag on (i.e. command always complete)