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99
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1
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2 *
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3 * micro-C driver under FLEX
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4 *
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5 * 12-Dec-81 M.Ohta,H.Tezuka
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6 *
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7
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8 ORG $100
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9
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10 _00000
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11 LDX $CC2B LOAD MEM END
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12 LEAS 1,X
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13
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14 JSR $CD24 CR/LF
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15
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16 LEAS -256,S ALLOCATE WORK AREA
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17 LEAU 128,S POINT TO CONTENT OF ARGUMENT VECTOR
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18
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19 STU ,S
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20 BSR _0C004 GET ARGV[0]
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21 CLRA ARGC*2
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22 _0C000 ADDA #2 INCREMENT ARGC
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23 STU A,S
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24 PSHS A
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25 BSR _0C009 GET NEXT ARGV
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26 PULS A
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27 CMPU #-1
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28 BNE _0C000
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29 STU A,S
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30
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31 LEAU 128,S
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32 TFR A,B
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33 _0C001 LDX A,S
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34 PSHU X
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35 SUBA #2
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36 BNE _0C001
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37 LDX ,S
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38 PSHU X
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39 LEAS ,U
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40 LSRB
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41 CLRA
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42 PSHS D,U push argc,argv
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43 LEAY _99999,PCR clear globals
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44 LDX #_GLOBALS
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45 _0C002 BEQ _0C003
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46 CLR ,Y+
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47 LEAX -1,X
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48 BRA _0C002
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49
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50 _0C003 LEAY _99999,PCR
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51 LBSR _INITIALIZE call initializer
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52 LBSR _main
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53 exit JSR $D403 FMS close
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54 JMP $CD03 WARMS
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55
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56 _0C004 LDX $CC14
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57 _0C005 CMPX #$C080
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58 BEQ _0C007
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59 LDB ,-X
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60 CMPB #$0D
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61 BEQ _0C006
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62 CMPB $CC02
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63 BNE _0C005
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64 _0C006 LEAX 1,X
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65 _0C007 LDB ,X+
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66 CMPB #'
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67 BEQ _0C008
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68 STB ,U+
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69 CMPX #$CC02
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70 BLO _0C007
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71 _0C008 CLR ,U+
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72 RTS
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73
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74 _0C009 JSR $CD27
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75 CMPA #'
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76 BEQ _0C009
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77 CMPA #$0D
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78 BEQ _0C013
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79 CMPA $CC02
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80 BEQ _0C013
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81 _0C010 CMPA #'"
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82 BEQ _0C014
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83 CMPA #''
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84 BEQ _0C014
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85 CMPA #'
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86 BEQ _0C012
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87 CMPA #$0D
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88 BEQ _0C012
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89 CMPA $CC02
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90 BEQ _0C012
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91 STA ,U+
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92 _0C011 JSR $CD27
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93 BRA _0C010
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94
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95 _0C012 CLR ,U+
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96 RTS
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97
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98 _0C013 LDU #-1
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99 RTS
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100
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101 _0C014 PSHS A
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102 LDX $CC14
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103 _0C015
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104 LDA ,X+
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105 CMPA #$0D
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106 BEQ _0C016
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107 CMPA ,S
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108 BEQ _0C017
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109 STA ,U+
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110 BRA _0C015
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111
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112 _0C016 LEAX -1,X
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113 _0C017 STX $CC14
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114 PULS A
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115 BRA _0C011
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116
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117 *
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118 * run time support
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119 *
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120
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121 FMS LDX 2,S
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122 LDA 5,S
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123 STA ,X
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124 LDA 7,S
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125 TST 59,X
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126 BMI _FMS1
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127 CMPA #$0A
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128 BNE _FMS0
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129 LDA #$0D
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130 _FMS0 CMPA #$09
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131 BNE _FMS1
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132 LDA #$20
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133 _FMS1 JSR $D406
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134 BNE _FMSERR
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135 TFR A,B
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136 TST 59,X
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137 BMI _FMS9
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138 CMPB #$0D
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139 BNE _FMS8
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140 LDB #$0A
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141 _FMS8 CMPB #$09
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142 BNE _FMS9
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143 LDB #$20
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144 _FMS9 CLRA
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145 RTS
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146
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147 _FMSERR LDD #-1
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148 RTS
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149
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150 GETCH PSHS X,Y,U
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151 JSR $CD15 get character
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152 TFR A,B
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153 ANDB #$7F
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154 CMPB #26 control-Z ?
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155 BNE _0G001
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156 LDD #-1
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157 PULS X,Y,U,PC
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158
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159 _0G001 CMPB #$0D
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160 BNE _0G002
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161 LDB #$0A
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162 _0G002 CLRA
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163 PULS X,Y,U,PC
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164 *
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165 PUTCH LDD 2,S
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166 PSHS D,X,Y,U
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167 TFR B,A
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168 CMPA #$09
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169 BNE _0P001
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170 LDA #$20
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171 _0P001 CMPA #$0A
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172 BNE _0P002
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173 JSR $CD24 put CR/LF
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174 PULS D,X,Y,U,PC
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175
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176 _0P002 JSR $CD18 put character
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177 PULS D,X,Y,U,PC
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178 *
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179 PUTCH2 LDD 2,S
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180 PSHS D
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181 LDA $CC22
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182 PSHS A
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183 LDA #$FF
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184 STA $CC22
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185 LDD 1,S
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186 PSHS D
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187 BSR PUTCH
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188 LEAS 2,S
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189 PULS A
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190 STA $CC22
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191 PULS D,PC
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192 *
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193 _00001 PSHS D,X,Y multiply
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194
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195 LDA ,S
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196 LDB 3,S
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197 MUL
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198 STB 4,S
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199
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200 LDD 1,S
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201 MUL
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202 STB 5,S
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203
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204 LDA 1,S
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205 LDB 3,S
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206 MUL
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207 ADDA 4,S
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208 ADDA 5,S
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209
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210 LEAS 6,S
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211 RTS
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212 *
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213 _00002 CLR ,-S signed divide
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214
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215 CMPX #0
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216 BPL _02000
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217
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218 COM ,S
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219
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220 EXG D,X
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221 LBSR _00020
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222 EXG D,X
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223
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224 _02000 TSTA
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225 BPL _02001
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226
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227 COM ,S
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228
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229 LBSR _00020
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230
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231 _02001 LBSR _00010
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232 TFR X,D
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233 TST ,S+
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234 BPL _02002
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235
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236 LBSR _00020
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237
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238 _02002 RTS
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239 *
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240 _00003 LBSR _00010 unsigned divide
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241 TFR X,D
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242 RTS
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243 *
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244 _00004 CLR ,-S signed modulous
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245
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246 CMPX #0
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247 BPL _04000
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248
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249 EXG D,X
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250 BSR _00020
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251 EXG D,X
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252
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253 _04000 TSTA
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254 BPL _04001
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255
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256 COM ,S
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257 BSR _00020
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258
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259 _04001 BSR _00010
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260
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261 TST ,S+
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262 BPL _04002
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263
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264 BSR _00020
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265
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266 _04002 RTS
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267 *
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268 _00005 BSR _00010 unsigned modulous
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269
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270 RTS
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271 *
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272 _00006 CMPX #0 signed left shift
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273 BMI _06001
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274
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275 _06000 BEQ _06009
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276 LSLB
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277 ROLA
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278 LEAX -1,X
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279 BRA _06000
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280
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281 _06001 BEQ _06009
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282 ASRA
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283 RORB
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284 LEAX 1,X
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285 BRA _06001
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286
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287 _06009 RTS
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288 *
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289 _00007 CMPX #0 unsined left shift
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290 BMI _07001
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291
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292 _07000 BEQ _07009
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293 LSLB
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294 ROLA
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295 LEAX -1,X
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296 BRA _07000
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297
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298 _07001 BEQ _07009
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299 LSRA
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300 RORB
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301 LEAX 1,X
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302 BRA _07001
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303
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304 _07009 RTS
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305 *
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306 _00008 CMPX #0 sined right shift
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307 BMI _08001
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308
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309 _08000 BEQ _08009
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310 ASRA
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311 RORB
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312 LEAX -1,X
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313 BRA _08000
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314
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315 _08001 BEQ _08009
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316 LSLB
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317 ROLA
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318 LEAX 1,X
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319 BRA _08001
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320
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321 _08009 RTS
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322 *
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323 _00009 CMPX #0 unsined right shift
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324 BMI _09001
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325
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326 _09000 BEQ _09009
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327 LSRA
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328 RORB
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329 LEAX -1,X
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330 BRA _09000
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331
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332 _09001 BEQ _09009
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333 LSLB
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334 ROLA
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335 LEAX 1,X
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336 BRA _09001
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337
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338 _09009 RTS
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339 *
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340 _00020 NEGA negate D reg
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341 NEGB
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342 SBCA #0
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343 RTS
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344 *
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345 _00010 PSHS D,X divide subroutine
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346
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347 CLRA
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348 CLRB
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349
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350 LDX #17
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351
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352 _00011 SUBD 2,S
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353 BCC _00012
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354
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355 ADDD 2,S
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356
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357 _00012 ROL 1,S
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358 ROL ,S
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359 ROLB
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360 ROLA
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361
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362 LEAX -1,X
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363 BNE _00011
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364
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365 RORA
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366 RORB
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367
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368 COM 1,S
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369 COM ,S
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370 PULS X
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371
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372 LEAS 2,S
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373 RTS
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374 *
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375 * micro-C user program
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376 *
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377 * OPT LIST
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100
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378 INCLUDE "c.out" include compilers output
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99
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379 * OPT NOL
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380 *
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381 *
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382 *
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383 _99999 EQU * global vars allocated here
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384 *
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385 END _00000
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386
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