Alternative HP-41CL mainframe (OS ROMs) update for beta test

[Sylvain Cote]

Hello Håkan,

I have done the following procedure, but to my surprise it is not working.
I have to leave for work and I will check what I have missed or done wrong tonight.

Sylvain

1. Reset MMU
   
   Code:
   

   MMUDIS
MMUCLR
TURBO50
"YFNX" 
PLUG1L
SERINI
BAUD48
MMUEN
2. Upload ROM into the 41CL
   
   Code:
   

   PC: java -jar clupdate-1.1.0.jar --upload NUT0.rom   /dev/tty.usbserial 4800    // File       NUT0.rom loading ...  done [YCRC=0x74B6DF77 Rev:2019-09-30]
CL: "820000-0FFF" YIMP  "820" YCRC                                              // 74B6DF77  good
PC: java -jar clupdate-1.1.0.jar --upload NUT1.rom   /dev/tty.usbserial 4800    // File       NUT1.rom loading ...  done [YCRC=0x7C4D0C0C Rev:2019-09-30]
CL: "821000-0FFF" YIMP  "821" YCRC                                              // 7C4D0C0C  good
PC: java -jar clupdate-1.1.0.jar --upload NUT2.rom   /dev/tty.usbserial 4800    // File       NUT2.rom loading ...  done [YCRC=0xAFF5CC14 Rev:2019-09-30]
CL: "822000-0FFF" YIMP  "822" YCRC                                              // AFF5CC14  good
PC: java -jar clupdate-1.1.0.jar --upload XFUNS3.rom /dev/tty.usbserial 4800    // File     XFUNS3.rom loading ...  done [YCRC=0x07A3A082 Rev:2019-09-30]
CL: "823000-0FFF" YIMP  "823" YCRC                                              // 07A3A082  good
PC: java -jar clupdate-1.1.0.jar --upload TIME.rom   /dev/tty.usbserial 4800    // File       TIME.rom loading ...  done [YCRC=0xDC5F9A0A Rev:2019-09-30]
CL: "824000-0FFF" YIMP  "824" YCRC                                              // DC5F9A0A  good
PC: java -jar clupdate-1.1.0.jar --upload XFUNS5.rom /dev/tty.usbserial 4800    // File     XFUNS5.rom loading ...  done [YCRC=0x3D148A8E Rev:2019-09-30]
CL: "825000-0FFF" YIMP  "825" YCRC                                              // 3D148A8E  good
3. Setup MMU memory
   
   Code:
   

   "80400C-8820" YPOKE
"80401C-8821" YPOKE
"80402C-8822" YPOKE
"80403C-8823" YPOKE
"804050-8824" YPOKE
"804058-8825" YPOKE
4. Validating MMU memory
   
   Code:
   

   "80400C-0000" YPEEK  // "80400C-8820"  good
"80401C-0000" YPEEK  // "80401C-8821"  good
"80402C-0000" YPEEK  // "80402C-8822"  good
"80403C-0000" YPEEK  // "80403C-8823"  good
"804050-0000" YPEEK  // "804050-8824"  good
"804058-0000" YPEEK  // "804058-8825"  good
5. Activating Alternate 41OS
   
   Code:
   

                       // unplugging serial cable
MMUEN               // unplugging often deactivate MMU
"NEW OS" MAPEN      // activating alternate 41OS
6. Checking Alternate 41OS version with Diagnostic ROM
   
   Code:
   

   Inserting ROM
Press "-"  // 0:NFL 1:D=,C ... mmm not working :-(