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68 added uart section oharboe 5828d 20h /
67 more docs merged into the big doc oharboe 5829d 11h /
66 added some notes on speeding up the ZPU oharboe 5829d 12h /
65 merging in some docs to zpu_arch.html oharboe 5829d 12h /
64 wip oharboe 5832d 17h /
63 very early work. oharboe 5832d 20h /
62 * duplicated crt0.s and some other stuff from libgloss into
sw/startup. This makes it easier to tinker w/startup code.
oharboe 5832d 21h /
61 wip oharboe 5833d 02h /
60 wip oharboe 5835d 01h /
59 pdf versions oharboe 5835d 12h /
58 some more docs. oharboe 5835d 12h /
57 a few words about zpu_core.vhd and zpu_core_small.vhd oharboe 5835d 13h /
56 added FreeBSD license. Finally. oharboe 5835d 13h /
55 tips for rolling your own ZPU oharboe 5835d 13h /
54 some ideas. oharboe 5835d 14h /
53 marked unused instruction opcodes as OpCode_NAx oharboe 5835d 22h /
52 deleted reference to ic300 dating back to ZY2000 implementation. oharboe 5838d 20h /
51 2008-08-08 Salvador E. Tropea
* zpu/hdl/zpu4/core/histogram.perl - generate opcode histogram from
HDL simulation output
oharboe 5842d 21h /
50 link to zpu_arch.html oharboe 5842d 21h /
49 added link. oharboe 5842d 21h /
48 add missing defs. oharboe 5843d 20h /
47 added basic docs on emulated instructions. oharboe 5843d 22h /
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 5887d 03h /
45 * zpu_config.vhd: Fixed startSp calculation (address in bytes not words) oharboe 5893d 14h /
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 5893d 15h /
43 take 2 oharboe 5893d 16h /
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 5893d 16h /
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 5894d 00h /
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 5894d 11h /
39 Linux ZPU GCC toolchain oharboe 5934d 02h /

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