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Add SmallZ80 Support to FDU

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Wayne Warthen
2018-09-28 17:46:18 -07:00
parent 3279f78ced
commit b6ca264e88
4 changed files with 165 additions and 75 deletions
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1
Doc/ChangeLog.txt
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@@ -17,6 +17,7 @@ Version 2.9.1
- WBW: Added preliminary support for interrupt management API
- P?S: Improved boot messages in RAM-Floppy driver
- P?S: Added charge setting display to RTC boot messages
- WBW: Add SmallZ80 support to FDU
Version 2.9.0
-------------

34
Doc/FDU.txt
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@@ -1,9 +1,9 @@
================================================================
Floppy Disk Utility (FDU) v5.1 for RetroBrew Computers
Disk IO / Zeta / Dual-IDE / N8
Floppy Disk Utility (FDU) v5.3 for RetroBrew Computers
Disk IO / Zeta / Dual-IDE / N8 / RC2014 / SmallZ80
================================================================
Updated December 16, 2017
Updated September 5, 2018
by Wayne Warthen (wwarthen@gmail.com)
Application to test the hardware functionality of the Floppy
@@ -74,6 +74,9 @@ supported:
- Zeta 2
- N8
- Mark IV
- RC2014 w/ SMC
- RC2014 w/ WDC
- SmallZ80
You must be using either a RomWBW or UBA based OS version.
@@ -85,13 +88,15 @@ You must have one of the following floppy disk controllers:
- Zeta SBC onboard FDC
- Zeta 2 SBC onboard FDC
- N8 SBC onboard FDC
- RC2014 Scott Baker SMC-based Floppy Module
- RC2014 Scott Baker WDC-based Floppy Module
Finally, you will need a floppy drive connected via an
appropriate cable:
Disk IO - no twist in cable, drive unit 0/1 must be selected by jumper on drive
DISK IO 3, Zeta, Zeta 2 - cable with twist, unit 0 after twist, unit 1 before twist
DIDE, N8 - cable with twist, unit 0 before twist, unit 1 after twist
DISK IO 3, Zeta, Zeta 2, RC2014 - cable with twist, unit 0 after twist, unit 1 before twist
DIDE, N8, Mark IV, SmallZ80 - cable with twist, unit 0 before twist, unit 1 after twist
Note that FDU does not utilize your systems ROM or OS to
access the floppy system. FDU interacts directly with
@@ -138,6 +143,16 @@ P5 (bd ID): 1-2, 3-4 (for $20-$3F port range)
There are no specific N8 jumper settings, but the default
I/O range starting at $80 is assumed in the published code.
The RC2014 Scott Baker SMC-based floppy module should be jumpered
for I/O base address 0x50 (SV1: 11-12), JP1 (TS) shorted,
JP2 (/FAULT) shorted, JP3 (MINI): 2-3, JP4 (/DC/RDY): 2-3.
The RC2014 Scott Baker WDC-based floppy module should be jumpered
for I/O base address 0x50 (SV1: 11-12), JP1 (/DACK): 1-2,
JP2 (TC): 2-3.
SmallZ80 does not have any relevant jumper settings. The
hardwired I/O ranges are assumed in the code.
Modes of Operation
------------------
@@ -481,3 +496,12 @@ WW 1/8/2018: v5.2
Added support for RC2014 hardware:
- Scott Baker SMC 9266 FDC module
- Scott Baker WDC 37C65 FDC module
WW 9/5/2018: v5.3
- Removed use of pulsing TC to end R/W operations after one sector and
instead set EOT = R (sector number) so that after desired sector is
read, R/W stops with end of cylinder error which is a documented
method for controling number of sectors R/W. This specific termination
condition is no longer considered an error, but a successful end of
operation.
- Added support for SmallZ80