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[/] [zipcpu/] [trunk/] [sw/] - Rev 99

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99 Added big-endian versus little-endian functionality. You can now specify which
your input file is as a command line parameter, and zdump will properly
disassemble the file.
dgisselq 2399d 12h /zipcpu/trunk/sw/
98 Added justed longjump instructions from the previous (not used, broken)
functionality to the new LOD (PC),PC functionality.
dgisselq 2399d 12h /zipcpu/trunk/sw/
97 Added longjump instructions. dgisselq 2399d 12h /zipcpu/trunk/sw/
96 Added the longjump functionality, so that the assembler will properly assemble
instructions to arbitrary 32-bit addresses.
dgisselq 2399d 12h /zipcpu/trunk/sw/
95 Fixed a bug whereby a mistaken code for CLR was masking a valid LDI of a large
integer value.
dgisselq 2401d 18h /zipcpu/trunk/sw/
94 These changes make it possible to build binutils-2.25/ here in this
directory. "make binutils" should be all that is necessary to build the
entire binutils package for the Zip CPU.

The default configure script, run from gas-script.sh below, will build and
install these utilities in an install/ subdirectory made below sw/.
dgisselq 2426d 15h /zipcpu/trunk/sw/
93 A BINUTILS BACKEND IS NOW AVAILABLE!!!! dgisselq 2434d 13h /zipcpu/trunk/sw/
89 Minor changes, to include making default branching an ADD.[condition] X,PC
instruction, rather than allowing both MOV X(PC),PC and ADD X,PC instructions.

Further zopcodes.cpp contains several bug fixes.
dgisselq 2434d 13h /zipcpu/trunk/sw/
70 Updated the assembler support files, zopcodes in particular, to handle
the disassembly of the new very long instruction word codes.
dgisselq 2465d 15h /zipcpu/trunk/sw/
69 This implements the "new Instruction Set" architecture for the Zip CPU. It's
a massive change set, that touches just about everything but probably not
enough of everything. Please see the spec.pdf for a description of this
new architecture.
dgisselq 2471d 19h /zipcpu/trunk/sw/
60 Fixed assembler processing of jump instructions, so that the new fast
return instruction can be used. The test file was modified to test
pipelined value passing within the CPU. That's where the value gets
(re)used before being stored back in the register file. As of this release,
all tests work.
dgisselq 2532d 20h /zipcpu/trunk/sw/
59 Adjusted these library routines to use the new stack frame and calling
conventions.
dgisselq 2532d 20h /zipcpu/trunk/sw/
55 A test was added to double check whether carry following right shifts worked.
This was a necessary part of getting two cycle linear feedback shift register
operations working for a memory test on a XuLA2 board. With this, I can now
verify that such feedback registers work for pseudorandom number purposes.
dgisselq 2542d 22h /zipcpu/trunk/sw/
54 This builds on the support for backslash character escapes in both single
and multicharacter expressions. Backslash character escapes are now
possible with quotations and backslashes, and the same code to interpret
the escapes is applied to both single and multicharacter sequences.
dgisselq 2542d 22h /zipcpu/trunk/sw/
53 Updated the #include/#define directives to work properly for nested includes.
(They were supposed to work properly for nested includes before ... and didn't)
This fixes those bugs.
dgisselq 2542d 22h /zipcpu/trunk/sw/
52 Added the capability to "see" character's encoded within a binary file,
by printing the character value(s) of each opcode (if they are printable)
on each line.
dgisselq 2542d 22h /zipcpu/trunk/sw/
51 Added the capability to look at binary files and 'see' characters as they
are encoded in memory.
dgisselq 2542d 22h /zipcpu/trunk/sw/
46 A series of updates associated with getting Dhrystone to work. Includes
updates to getting multiple files to link/work together within the assembler,
as well as getting quoted quotations to work in the lexer, and better
include file support in the preprocessor.
dgisselq 2552d 13h /zipcpu/trunk/sw/
45 Library routines for 32-bit multiply and divide, both signed and unsigned. dgisselq 2552d 14h /zipcpu/trunk/sw/
44 ?? dgisselq 2552d 14h /zipcpu/trunk/sw/

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