41CL Calculator


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Normal 41C instructions use 10 bits, which are held in 16-bit words in .rom files. The 41CL uses 16-bit memories, and some 41CL-specific images use all 16 bits in the .rom files. Images that use all 16 bits in the .rom file can only be transferred to the 41CL using the 41CL serial port. Any other method (HP-IL, MLDL, Clonix, NovRAM, etc.) will only transfer 10 bits per word, which means that 6 bits of every word will be lost during the transfer.

41CL Extra Functions -4F is backwards-compatible with previous Flash image files but does require the 41CL Image Database to be present in Flash.

41CL Extra Functions Plus -1F is identical to the regular 41CL Extra Functions -4F, except that the Function Address Table (FAT) points to a few Image Database-specific functions.

41CL Extreme Functions -2C is an enhanced version of the Extra Functions. This module uses dynamic paging to temporarily load the 41CL Dynamic Library -3B. This library must be loaded at a specific address (0x00B000) in Flash.

41CL Memory Functions -2A provides a number of functions for managing the physical memory of the 41CL.

41CL Update Functions -2B provides functions to help with the Flash update process.

Image Database (09/01/2017) for V3/V4 hardware. 16-bit image.

Image Database (09/01/2017) for V2 hardware with the smaller Flash memory. 16-bit image.

Flash YCRC Database (09/14/2017) for V3/V4 hardware. 16-bit image.

Flash YCRC Database (09/14/2017) for V2 hardware with the smaller Flash memory. 16-bit image.

Flash YCRC Database (09/14/2017) for V5 hardware with the larger Flash memory. 16-bit image.

Modified Time Module adds a new function, YRES, (that will always be available) that is identical to MMUCLR in the 41CL Extra Functions. This allows a user to recover if the YFNZ image is accidently removed. 16-bit image.

Modified X-Functions Module adds a few subroutines that may be useful to 41CL MCODE programmers, but is otherwise identical to the normal X-Functions. 16-bit image.



09/14/2017
Copyright 2017, Systemyde International Corporation