annotate level2/cmds/pwd.asm @ 11:50bca5580dfb

Enhanced source
author boisy
date Fri, 05 Apr 2002 13:55:49 +0000
parents 6641a883d6b0
children
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1 ********************************************************************
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2 * pwd - Print working directory
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3 *
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4 * $Id$
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5 *
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6 * Ed. Comments Who YY/MM/DD
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7 * ------------------------------------------------------------------
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8 * 1 Original Tandy/Microware version
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9
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10 nam pwd
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11 ttl Print working directory
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12
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13 * Disassembled 98/09/10 23:47:33 by Disasm v1.6 (C) 1988 by RML
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14
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15 ifp1
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16 use defsfile
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17 endc
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18
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19 tylg set Prgrm+Objct
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20 atrv set ReEnt+rev
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21 rev set $01
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22 edition set 1
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23
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24 mod eom,name,tylg,atrv,start,size
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25
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26 u0000 rmb 1
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27 u0001 rmb 2
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28 u0003 rmb 2
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29 u0005 rmb 1
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30 u0006 rmb 2
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31 u0008 rmb 1
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32 u0009 rmb 2
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33 u000B rmb 3
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34 u000E rmb 29
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35 u002B rmb 2
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36 u002D rmb 129
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37 u00AE rmb 1
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38 u00AF rmb 282
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39 size equ .
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40
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41 name fcs /pwd/
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42 fcb edition
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43 L0011 fcc "pwd: bad name in path"
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44 fcb C$CR
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45 L0027 fcc "."
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46 L0028 fcc "."
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47 L0029 fcb C$CR
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48 L002A fcc "read error"
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49 fcb C$CR
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50
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51 start leax >u00AE,u
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52 lda #$0D
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53 sta ,x
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54 stx <u0001
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55 leax >L0028,pcr
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56 bsr L0096
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57 sta <u0000
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58 lbsr L00CD
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59 ldd <u0003
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60 std <u0009
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61 lda <u0005
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62 sta <u000B
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63 L0052 bsr L00C6
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64 beq L0079
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65 leax >L0027,pcr
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66 bsr L0090
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67 lda <u0000
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68 os9 I$Close
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69 bcs L008D
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70 leax >L0028,pcr
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71 bsr L0096
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72 bsr L00CD
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73 bsr L00A8
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74 bsr L00E2
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75 ldd <u0003
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76 std <u0009
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77 lda <u0005
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78 sta <u000B
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79 bra L0052
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80 L0079 lbsr L00FB
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81 ldx <u0001
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82 ldy #$0081
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83 lda #$01
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84 os9 I$WritLn
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85 lda <u0000
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86 os9 I$Close
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87 clrb
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88 L008D os9 F$Exit
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89 L0090 lda #$81
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90 os9 I$ChgDir
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91 rts
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92 L0096 lda #$81
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93 os9 I$Open
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94 rts
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95 L009C lda <u0000
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96 leax u000E,u
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97 ldy #$0020
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98 os9 I$Read
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99 rts
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100 L00A8 lda <u0000
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101 bsr L009C
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102 bcs L010F
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103 leax u000E,u
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104 leax <$1D,x
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105 leay u0009,u
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106 bsr L00BA
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107 bne L00A8
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108 rts
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109 L00BA ldd ,x++
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110 cmpd ,y++
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111 bne L00C5
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112 lda ,x
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113 cmpa ,y
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114 L00C5 rts
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115 L00C6 leax u0003,u
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116 leay u0006,u
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117 bsr L00BA
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118 rts
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119 L00CD bsr L009C
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120 ldd <u002B
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121 std <u0006
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122 lda <u002D
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123 sta <u0008
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124 bsr L009C
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125 ldd <u002B
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126 std <u0003
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127 lda <u002D
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128 sta <u0005
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129 rts
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130 L00E2 leax u000E,u
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131 L00E4 os9 F$PrsNam
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132 bcs L0109
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133 ldx <u0001
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134 L00EB lda ,-y
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135 anda #$7F
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136 sta ,-x
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137 decb
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138 bne L00EB
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139 lda #$2F
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140 sta ,-x
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141 stx <u0001
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142 rts
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143 L00FB lda <u0000
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144 ldb #$0E
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145 leax >u00AF,u
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146 os9 I$GetStt
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147 bsr L00E4
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148 rts
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149 L0109 leax >L0011,pcr
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150 bra L0123
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151 L010F leax >L002A,pcr
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152 bra L0123
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153 L0115 lda #$02
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154 os9 I$Write
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155 bcs L0128
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156 rts
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157 bsr L0115
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158 leax >L0029,pcr
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159 L0123 lda #$02
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160 os9 I$WritLn
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161 L0128 ldb #$00
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162 os9 F$Exit
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163
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164 emod
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165 eom equ *
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166 end