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1 #LyX 2.0 created this file. For more info see http://www.lyx.org/
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2 \lyxformat 413
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3 \begin_document
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41 \index Index
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42 \shortcut idx
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43 \color #008000
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44 \end_index
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58 \end_header
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59
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60 \begin_body
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61
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62 \begin_layout Part
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63 Introduction
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64 \end_layout
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65
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66 \begin_layout Section
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67 Motivations
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68 \end_layout
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69
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70 \begin_layout Standard
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71 The ELB816 architecture is designed to be a
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72 \begin_inset Quotes eld
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73 \end_inset
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74
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75 simple to understand 8-bit microprocessor system to help learn about micro-proce
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76 ssor electronics.
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77 \begin_inset Quotes erd
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78 \end_inset
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79
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80 .
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81 The combination of an ELB816 emulator, debugger and assembler could be
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82 used as a set of tools for learning or teaching micro-processor programming
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83 without the intricacies of real-world commercial micro-processors getting
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84 in the way of a fundamental understanding of the subject.
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85 A PC based emulator would allow students to quickly develop and debug programs
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86 written in a simple assembly language on any modern desktop or laptop,
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87 and an MCS-51 port running on an 8052 would allow students to test programs
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88 in an actual circuit.
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89 EDE aims to bring together these components in order to provide an environment
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90 for using ELB816 as an educational tool.
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91 \end_layout
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92
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93 \begin_layout Section
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94 Project Aims
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95 \end_layout
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96
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97 \begin_layout Itemize
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98 Develop an assembler for the ELB816 assembly language.
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99 \end_layout
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100
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101 \begin_layout Itemize
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102 Develop an emulated programmable micro-controller system based on the ELB816
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103 micro-processor architecture.
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104 \end_layout
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105
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106 \begin_layout Itemize
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107 Develop a debugger that allows interactive debugging of programs running
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108 on the emulator.
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109 \end_layout
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110
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111 \begin_layout Section
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112 Methodology
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113 \end_layout
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114
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115 \begin_layout Subsection
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116 Assembler
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117 \end_layout
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118
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119 \begin_layout Description
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120 Language: Python
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121 \end_layout
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122
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123 \begin_layout Description
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124 Priority: First
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125 \end_layout
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126
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127 \begin_layout Standard
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128 The assembler will be developed before anything else so that it can subsequently
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129 be used to assemble test programs during development of the emulator.
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130
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131 \end_layout
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132
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133 \begin_layout Subsection
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134 Emulator
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135 \end_layout
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136
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137 \begin_layout Description
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138 Language: C
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139 \end_layout
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140
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141 \begin_layout Description
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142 Priority: Second
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143 \end_layout
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144
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145 \begin_layout Standard
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146 The emulator will use only standard libraries in order to ensure it is portable
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147 between compilers and platforms.
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148 Specifically GCC for x86 and Keil C51 for Intel MCS-51.
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149 The emulator will first be developed on Linux to facilitated rapid development.
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150 It will be ported to MCS-51 once it is complete
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151 \end_layout
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152
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153 \begin_layout Subsection
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154 Debugger
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155 \end_layout
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156
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157 \begin_layout Description
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158 Language: C/Python
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159 \end_layout
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160
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161 \begin_layout Description
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162 Priority: Second
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163 \end_layout
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164
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165 \begin_layout Standard
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166 The debug interface will be developed along side the emulator.
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167 It will communicate with a a simple control function, built into the emulator,
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168 that will read commands using C's
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169 \begin_inset listings
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170 lstparams "basicstyle={\ttfamily}"
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171 inline true
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172 status open
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173
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174 \begin_layout Plain Layout
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175
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176 stdio.h
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177 \end_layout
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178
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179 \end_inset
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180
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181 library.
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182 This means that on Linux the commands will be issued using
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183 \begin_inset listings
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184 lstparams "basicstyle={\ttfamily}"
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185 inline true
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186 status open
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187
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188 \begin_layout Plain Layout
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189
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190 STDIN
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191 \end_layout
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192
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193 \end_inset
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194
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195 and on the MCS-51 version they will be issued over a serial interface.
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196 Python will be used to build a controller class for sending commands to
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197 and receiving data from the emulator.
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198 Python will also be used to build a text based user interface on top of
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199 this.
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200 \end_layout
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201
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202 \end_body
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203 \end_document
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