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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 Řyvind 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 Řyvind 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 Řyvind Harboe
+ * Small ZPU now supports interrupts
+ * added simulation example demonstrating interrupts
+2008-05-05 Řyvind Harboe
+ * added eCos HAL for ZPU
+ zpu/zpu/sw/ecos/repository
+2008-05-04 Řyvind 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 Řyvind 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 Řyvind Harboe
+ * deleted duplicate files from example folder.
+ * retired Xilinx synthesizing example. It messes up the zpu4 directory.
+2008-04-16 Řyvind 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 Řyvind 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 Řyvind 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 Řyvind 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 Řyvind Harboe
+ * hdl/index.html. Fixed typo. Use objcopy and not objdump.
+2008-01-02 Řyvind Harboe
+ * Moved to www.opencores.org
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