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2008-11-12 Álvaro Lopes <alvieboy@alvie.com>
	* zpu/hdl/zpu4/core/zpu_core.vhd: Basic interrupt implementation
	for zpu4 core.
2008-09-16 Salvador Eduardo Tropea <salvador@inti.gob.ar>
	* zpu/hdl/zealot: added small ZPU core, testbenches and FPGA implementation
2008-09-11 Salvador Eduardo Tropea <salvador@inti.gob.ar>
	* zpu/docs/zpu_arch.html: added Zealot information.
2008-09-08 Salvador Eduardo Tropea <salvador@inti.gob.ar>
	* zpu/hdl/zealot: a complete ZPU implementation cleaned up and
	with a UART. 
2008-08-25 Salvador Eduardo Tropea <salvador@inti.gov.ar>
	* zpu/docs/arch_html: Fix typo in zpu_arch.html w.r.t. ZPU UART/Debug channel
2008-08-18 Øyvind Harboe
	* duplicated crt0.s and some other stuff from libgloss into
	sw/startup. This makes it easier to tinker w/startup code.
2008-08-08 Salvador E. Tropea
	* zpu/hdl/zpu4/core/histogram.perl - generate opcode histogram from
	HDL simulation output
2008-06-25 Øyvind Harboe
	* 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.
2008-06-18 Miguel Freitas
	* zpu_config.vhd: Fixed startSp calculation (address in bytes not words)
2008-06-18 Miguel Freitas
	* Removed unisim/roc dependency (it was used just to pulse the areset)
	  and fixes paths for building the ghdl examples out of the box.
	  One should check if the areset change doesn't break modelsim.
2008-06-16 Miguel Freitas
	* 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
2008-05-06 Øyvind Harboe
	* Small ZPU now supports interrupts
	* added simulation example demonstrating interrupts 
2008-05-05 Øyvind Harboe
	* added eCos HAL for ZPU
	  zpu/zpu/sw/ecos/repository
2008-05-04 Øyvind Harboe
	* moved ZPU core files to seperate folder
	* deleted some obsolete files
2008-05-04 jurij kostasenko
	* Make code synthesize on Synopsis
	 zpu/hdl/zpu4/src/zpu_core_small.vhd  
	 zpu/hdl/zpu4/src/io.vhd  
2008-05-01 Øyvind Harboe
	* zpu/hdl/zy2000 - ZPU implementation used on the zy2000 dev kit
2008-04-17 Arnim Läuger
	* zpu/hdl/example_ghdl/ghdl_import.sh, zpu/hdl/example_ghdl/ghdl_make.sh,
	  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
2008-04-17 Øyvind Harboe
	* deleted duplicate files from example folder.
	* retired Xilinx synthesizing example. It messes up the zpu4 directory.
2008-04-16 Øyvind Harboe
	* zpu/doc/zpupresentation_old.odt: interesting bits moved into zpu_arch.html
	* zpu/doc/zpupresentation.*: interesting bits moved into zpu_arch.html
	* zpu/docs/zpu_arch.html: added Phi memory map to end of zpu_arch.html
	* zpu/docs/zpuphiregs.odt: retired
	* zpu/docs/zpu_arch.html: added. Need to define instruction set.
	* zpu/docs/zpu_arch.odt: retired
2008-04-15 Øyvind Harboe
	* zpu/docs/zpu_arch.odt - a short summary of the architecture
	* zpu/simzpu_bram.do - retired. 
	* zpu/zpu_core_bram.vhd - retired
	* zpu/hdl/zpu3 - retired
2008-04-05 Øyvind Harboe
	* zpu/docs/zpuphiregs.odt - ZPU Phi register overview
2008-03-06 Adam Pierce
	* zpu/zpu/hdl/example/zpuromgen.c - generate rom files
	  without java
2008-02-21 Øyvind Harboe
	* zpu/zpu/sw/index.html. Changed it a bit to make installation easier. 
	* zpu/zpu/hdl/index.html. Sharpened instructions and shows two working 
	  examples. Small & medium ZPU.
	* got zpu4/src/simzpu_medium.do working again. 
2008-02-11 Øyvind Harboe
	* hdl/index.html. Fixed typo. Use objcopy and not objdump.
2008-01-02 Øyvind Harboe
	* Moved to www.opencores.org
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