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Rev Log message Author Age Path
67 more docs merged into the big doc oharboe 5762d 16h /
66 added some notes on speeding up the ZPU oharboe 5762d 16h /
65 merging in some docs to zpu_arch.html oharboe 5762d 17h /
64 wip oharboe 5765d 22h /
63 very early work. oharboe 5766d 01h /
62 * duplicated crt0.s and some other stuff from libgloss into
sw/startup. This makes it easier to tinker w/startup code.
oharboe 5766d 02h /
61 wip oharboe 5766d 06h /
60 wip oharboe 5768d 06h /
59 pdf versions oharboe 5768d 17h /
58 some more docs. oharboe 5768d 17h /
57 a few words about zpu_core.vhd and zpu_core_small.vhd oharboe 5768d 17h /
56 added FreeBSD license. Finally. oharboe 5768d 18h /
55 tips for rolling your own ZPU oharboe 5768d 18h /
54 some ideas. oharboe 5768d 19h /
53 marked unused instruction opcodes as OpCode_NAx oharboe 5769d 03h /
52 deleted reference to ic300 dating back to ZY2000 implementation. oharboe 5772d 01h /
51 2008-08-08 Salvador E. Tropea
* zpu/hdl/zpu4/core/histogram.perl - generate opcode histogram from
HDL simulation output
oharboe 5776d 02h /
50 link to zpu_arch.html oharboe 5776d 02h /
49 added link. oharboe 5776d 02h /
48 add missing defs. oharboe 5777d 00h /
47 added basic docs on emulated instructions. oharboe 5777d 03h /
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 5820d 08h /
45 * zpu_config.vhd: Fixed startSp calculation (address in bytes not words) oharboe 5826d 19h /
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 5826d 20h /
43 take 2 oharboe 5826d 21h /
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 5826d 21h /
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 5827d 04h /
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 5827d 16h /
39 Linux ZPU GCC toolchain oharboe 5867d 07h /
38 Mike Frysinger found this file which is not needed. oharboe 5868d 06h /

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