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54 some ideas. oharboe 5982d 12h /
53 marked unused instruction opcodes as OpCode_NAx oharboe 5982d 20h /
52 deleted reference to ic300 dating back to ZY2000 implementation. oharboe 5985d 18h /
51 2008-08-08 Salvador E. Tropea
* zpu/hdl/zpu4/core/histogram.perl - generate opcode histogram from
HDL simulation output
oharboe 5989d 19h /
50 link to zpu_arch.html oharboe 5989d 19h /
49 added link. oharboe 5989d 19h /
48 add missing defs. oharboe 5990d 17h /
47 added basic docs on emulated instructions. oharboe 5990d 20h /
46 * do not enable interrupts for simzpu_small.do. hello world
does not have an interrupt handler, so this caused a BREAK
instruction to be executed.
oharboe 6034d 01h /
45 * zpu_config.vhd: Fixed startSp calculation (address in bytes not words) oharboe 6040d 12h /
44 Miguel Freitas <mfreitas@gmail.com>
log.txt and trace.txt currently on cvs were produced by interrupt.vhd.
this patch will build example_ghdl with interrupt.vhd by default so
user can compare results. adds a note about what user needs to edit to
simulate helloworld.vhd without interrupts.
oharboe 6040d 13h /
43 take 2 oharboe 6040d 14h /
42 I'm also attaching another patch which removes unisim/roc dependency
(it was used just to pulse the areset) and fixes paths for building
the ghdl examples out of the box. I guess this is the easiest way to
get zpu running on linux with minimum effort.

You should check if the areset change doesn't break modelsim. It feels
much simpler this way and seems to work the same, i might be missing
something.
oharboe 6040d 14h /
41 * Various ZY2000 vhdl files of more general interest made
available as part of the ZPU project under the same
license(FreeBSD). Files should have headers updated.
oharboe 6040d 22h /
40 * io.vhd: fix address comparsion and added numerous outputs
during simulation to make things a bit easier
* zpu_config.vhd: do not use hardcoded startSp, allows more easily
tinkering w/RAM size
oharboe 6041d 09h /
39 Linux ZPU GCC toolchain oharboe 6081d 00h /
38 Mike Frysinger found this file which is not needed. oharboe 6081d 23h /
37 wip from jurij.kostasenko oharboe 6082d 00h /
36 * Small ZPU now supports interrupts
* added simulation example demonstrating interrupts
oharboe 6084d 00h /
35 forgot to commit log message. oharboe 6084d 01h /

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