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annotate level1/cmds/rename.asm @ 1213:4e235f213651

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Lots of changes: bootscripts and bootlists added, sources massaged...
author boisy
date Sat, 28 Jun 2003 18:41:05 +0000
parents c155aac72190
children 84ea83668304
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1 ********************************************************************
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2 * Rename - Rename a file
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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 * ------------------------------------------------------------------
200
e9ce43cc215e Made major changes to headers for consistency and identification
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8 * 6 From Tandy OS-9 Level One VR 02.00.00
0
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9
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10 nam Rename
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11 ttl Rename a file
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12
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13 * Disassembled 98/09/11 01:35:46 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 6
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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 org 0
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27 parmptr rmb 1
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28 u0001 rmb 1
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29 u0002 rmb 2
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30 u0004 rmb 1
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31 nextparm rmb 2
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32 u0007 rmb 1
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33 u0008 rmb 24
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34 pathopts rmb 26
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35 u003A rmb 2
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36 u003C rmb 2
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37 rmb 2
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38 rmb 401
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39 size equ .
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40
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41 name fcs /Rename/
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42 fcb edition
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43
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44 start cmpd #$0004 at least 3 chars + CR on cmd line?
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45 lbcs bpnam branch if less than
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46 stx <parmptr save parameter pointer
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47 lda #WRITE. write mode
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48 os9 I$Open open file to rename in write mode
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49 bcc L0032 branch if ok
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50 cmpb #E$FNA file not accessible?
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51 bne Exit branch if any other error
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52 ldx <parmptr else get pointer to file
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53 lda #DIR.+WRITE. and try open as directory
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54 os9 I$Open try opening again
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55 bcs Exit branch if error
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56 L0032 stx <nextparm save off updated param pointer
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57 ldb #SS.Opt
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58 leax <pathopts,u
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59 os9 I$GetStt get path options
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60 bcs Exit branch if error
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61 os9 I$Close close path to file
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62 bcs Exit branch if error
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63 ldb <pathopts
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64 cmpb #$01
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65 bne bpnam
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66 bsr L00AE
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67 bcs Exit
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68 ldx <u0002
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69 lda #C$CR
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70 sta -1,x
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71 ldx <parmptr
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72 lda #READ.+WRITE.
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73 os9 I$ChgDir
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74 bcs Exit
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75 ldx <nextparm
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76 ldb <u0008
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77 decb
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78 lda b,x
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79 ora #$80
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80 sta b,x
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81 incb
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82 cmpb <u0004
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83 bne L0075
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84 leay ,x
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85 ldx <u0002
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86 os9 F$CmpNam
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87 bcc L0082
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88 L0075 ldx <nextparm
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89 lda #READ.
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90 os9 I$Open
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91 bcc bpnam
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92 cmpb #E$PNNF
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93 bne bpnam
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94 L0082 leax <Dot,pcr point to .
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95 lda #DIR.!UPDAT. open as directory in update mode
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96 os9 I$Open do it!
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97 bcs Exit branch if error
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98 ldx <u003A get file directory entry ptr (PD.DCP)
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99 ldu <u003C
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100 os9 I$Seek seek
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101 bcs Exit branch if error
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102 ldx <nextparm get ptr to name to rename
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103 ldy <u0007
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104 os9 I$Write
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105 bcs Exit
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106 os9 I$Close
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107 bcs Exit
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108 clrb
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109 Exit os9 F$Exit
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110 bpnam ldb #E$BPNam
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111 bra Exit
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112
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113 Dot fcc "."
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114 fcb C$CR
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115
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116 L00AE ldx <parmptr
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117 bsr L00F6
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118 ldu <parmptr
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119 lda ,u
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120 cmpa #PDELIM
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121 beq L00C7
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122 lda ,y
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123 cmpa #PDELIM
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124 beq L00C7
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125 leau <Dot,pcr
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126 stu <parmptr
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127 bra L00CD
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128 L00C7 leax ,y
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129 bsr L00F6
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130 bcs L00F2
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131 L00CD stx <u0002
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132 stb <u0004
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133 leax ,y
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134 bsr L00F6
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135 bcc L00CD
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136 ldb <u0004
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137 beq L00F2
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138 ldx <nextparm
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139 os9 F$PrsNam
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140 bcs L00F2
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141 lda ,y
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142 cmpa #PDELIM
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143 beq L00F2
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144 cmpb #$1E
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145 bcc L00F2
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146 stx <nextparm
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147 clra
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148 std <u0007
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149 rts
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150 L00F2 comb
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151 ldb #E$BPNam
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152 rts
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153 L00F6 os9 F$PrsNam
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154 bcc L0119
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155 clrb
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156 leau ,x
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157 L00FE lda ,u+
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158 bpl L0107
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159 incb
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160 cmpa #C$PERD!$80
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161 bne L010C
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162 L0107 incb
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163 cmpa #C$PERD
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164 beq L00FE
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165 L010C decb
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166 beq L0118
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167 leay -1,u
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168 cmpb #$03
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169 bcc L0118
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170 clrb
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171 bra L0119
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172 L0118 coma
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173 L0119 rts
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174
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175 emod
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176 eom equ *
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177 end
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178