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* added FreeBSD license. Finally.oharboe2008-08-156-5/+203
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* marked unused instruction opcodes as OpCode_NAxoharboe2008-08-151-4/+4
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* 2008-08-08 Salvador E. Tropeaoharboe2008-08-081-0/+218
| | | | | * zpu/hdl/zpu4/core/histogram.perl - generate opcode histogram from HDL simulation output
* add missing defs.oharboe2008-08-071-0/+6
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* take 2oharboe2008-06-181-3/+5
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* I'm also attaching another patch which removes unisim/roc dependencyoharboe2008-06-181-0/+1
| | | | | | | | | | (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.
* * io.vhd: fix address comparsion and added numerous outputsoharboe2008-06-171-13/+22
| | | | | | during simulation to make things a bit easier * zpu_config.vhd: do not use hardcoded startSp, allows more easily tinkering w/RAM size
* * Small ZPU now supports interruptsoharboe2008-05-0611-16669/+2255
| | | | * added simulation example demonstrating interrupts
* wipoharboe2008-05-053-0/+3057
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* wipoharboe2008-05-051-0/+1
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* * moved ZPU core files to seperate folderoharboe2008-05-0415-868/+0
| | | | * deleted some obsolete files
* * Make code synthesize on Synopsisoharboe2008-05-044-188/+34
| | | | | zpu/hdl/zpu4/src/zpu_core_small.vhd zpu/hdl/zpu4/src/io.vhd
* wip for interruptsoharboe2008-05-012-0/+36
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* wipoharboe2008-05-011-1/+20
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* * zpu/hdl/zy1000 - ZPU implementation used on the zy1000 dev kitoharboe2008-05-011-948/+0
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* work in progress.oharboe2008-05-011-0/+948
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* wip to fix some synthesizing problems w/Synopsisoharboe2008-04-301-817/+338
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* wip to fix some synthesizing problems w/Synopsisoharboe2008-04-301-0/+957
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* * zpu/hdl/example_ghdl/ghdl_import.sh, zpu/hdl/example_ghdl/ghdl_make.sh,oharboe2008-04-2216-1841/+2149
| | | | | | | | | | | | | | zpu/hdl/example_ghdl/ghdl_options.sh, zpu/hdl/example_ghdl/README: GHDL example * zpu/hdl/zpu4/src/dmipssmalltrace_ghdl.sh: testcase for GHDL * zpu/hdl/zpu4/src/dmipstrace_ghdl.sh: testcase for GHDL * zpu/hdl/zpu4/src/simzpu_medium_ghdl.sh: testcase for GHDL * zpu/hdl/example/helloworld.vhd, zpu/hdl/zpu4/src/bram_dmips.vhd, zpu/hdl/zpu4/src/dmipssmalltrace_ghdl.sh, zpu/hdl/zpu4/src/dram_dmips.vhd, zpu/hdl/zpu4/src/dram_hello.vhd, zpu/hdl/zpu4/src/io.vhd, zpu/hdl/zpu4/src/sim_fpga_top.vhd, zpu/hdl/zpu4/src/sim_small_fpga_top.vhd, zpu/hdl/zpu4/src/timer.vhd, zpu/hdl/zpu4/src/trace.vhd, zpu/hdl/zpu4/src/zpu_config_trace.vhd, zpu/hdl/zpu4/src/zpu_core_small.vhd, zpu/hdl/zpu4/src/zpu_core.vhd, zpu/hdl/zpu4/src/zpupkg.vhd: conversion to numeric_std
* * deleted duplicate files from example folder.oharboe2008-04-171-0/+179
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* * retired Xilinx synthesizing example. It messes up the zpu4 directory.oharboe2008-04-1719-3588/+0
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* retiredoharboe2008-04-151-109/+0
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* * zpu/simzpu_bram.do - retired.oharboe2008-04-152-808/+0
| | | | | * zpu/zpu_core_bram.vhd - retired * zpu/hdl/zpu3 - retired
* wip porting zpu_core_bram.vhd from ZPU3.oharboe2008-02-226-16/+825
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* * zpu/zpu/sw/index.html. Changed it a bit to make installation easier.oharboe2008-02-2114-7153/+6082
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* * zpu/zpu/hdl/index.html. Sharpened instructions and shows two workingoharboe2008-02-2118-8363/+8197
| | | | | examples. Small & medium ZPU. * got zpu4/src/simzpu_medium.do working again.
* Initial import from www.ecosforge.netoharboe2008-01-0259-0/+28654
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