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1 ********************************************************************
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2 * SCF - OS-9 Level One V2 SCF file manager
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3 *
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4 * $Id$
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5 *
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1287
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6 * Edt/Rev YYYY/MM/DD Modified by
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7 * Comment
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0
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8 * ------------------------------------------------------------------
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1287
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9 * 10 ????/??/??
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10 * From Tandy OS-9 Level One VR 02.00.00
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11
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12 nam SCF
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13 ttl OS-9 Level One V2 SCF file manager
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14
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15 ifp1
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16 use defsfile
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17 use scfdefs
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18 endc
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19
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20 tylg set FlMgr+Objct
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21 atrv set ReEnt+rev
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1287
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22 rev set $00
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201
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23 edition set 10
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24
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25 mod eom,name,tylg,atrv,start,size
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26
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27 size equ .
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28
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29 name fcs /SCF/
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30 fcb edition
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31
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32 start lbra Create
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33 lbra Open
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34 lbra MakDir
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35 lbra ChgDir
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36 lbra Delete
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37 lbra Seek
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38 lbra Read
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39 lbra Write
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40 lbra ReadLn
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41 lbra WriteLn
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42 lbra GetStat
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43 lbra PutStat
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44 lbra Term
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45
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46 L0038 puls y
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47
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48
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49 * ChgDir/MakDir entry
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50 ChgDir
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51 MakDir comb
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52 ldb #E$BPNam
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53 L003D rts
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54
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55
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56 * Open/Create entry
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57 Open
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58 Create ldx PD.DEV,y
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59 stx <$3B,y
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60 ldu PD.RGS,y
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61 pshs y
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62 ldx R$X,u
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63 os9 F$PrsNam
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64 bcs L0038
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65 lda -1,y get last char
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66 bmi L0059 branch if hi bit set
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67 leax ,y else point X at last char + 1
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68 os9 F$PrsNam
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69 bcc L0038
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70 L0059 sty R$X,u
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71 puls y
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72 lda #READ.
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73 bita PD.MOD,y
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74 beq L00A2
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75 ldd #$0001
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76 os9 F$SRqMem allocate buffer
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77 bcs L003D
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78 stu PD.BUF,y
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79 clrb
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80 bsr L0091
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81
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82 * cute message
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184
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83 cute fcb $62,$1B,$59,$6B,$65,$65,$2A,$11,$1C,$0D,$0F
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0
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84 fcb $42,$0C,$6C,$62,$6D,$31,$13,$0F,$0B,$49,$0C
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85 fcb $72,$7C,$6A,$2B,$08,$00,$02,$11,$00,$79
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86
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87 * put cute message into our newly allocated PD buffer
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88 L0091 puls x get PC into X
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89 clra
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90 L0094 eora ,x+
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91 sta ,u+
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92 decb
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184
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93 cmpa #C$CR
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0
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94 bne L0094
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95 L009D sta ,u+
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96 decb
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97 bne L009D
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98 L00A2 ldu PD.DEV,y
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99 beq MakDir
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100 ldx V$STAT,u X = static storage ptr
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101 lda <PD.PAG,y get page len
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102 sta V.LINE,x store in static
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103 ldx V$DESC,u
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104 ldd <PD.D2P,y
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105 beq L00C6
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106 leax d,x
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107 lda PD.MOD,y
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108 lsra
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109 rorb
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110 lsra
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111 rolb
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112 rola
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113 rorb
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114 rola
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115 os9 I$Attach attach to DEV2
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116 bcs L00FD
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117 stu PD.DV2,y save dev entry
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118 L00C6 ldu V$STAT,u
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119 clra
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120 clrb
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121 pshs b,a
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122 ldx <V.PDLHd,u
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123 bne L00D9
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124 sty <V.PDLHd,u
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125 bra L00E9
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126 L00D7 tfr d,x
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127 L00D9 ldb <$3F,x
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128 bne L00E0
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129 inc 1,s in B on stack
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130 L00E0 ldd <$3D,x
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131 bne L00D7
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132 sty <$3D,x
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133 L00E9 lda #$29
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134 pshs a
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135 inc 2,s inc B on stack
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136 lbsr L01BD
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137 lda 2,s get B on stack
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138 leas 3,s clean up stack
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139 deca
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140 bne L00FC
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141 lbra L01B2
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142 L00FC clrb
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143 L00FD rts
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144
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145
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146 * term routine
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147 Term tst PD.CNT,y
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148 beq L0104 branch if count is zero
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149
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150
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151 * seek/delete routine
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152 Seek
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153 Delete clra
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154 rts
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155
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156 L0104 ldu PD.DV2,y
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157 beq L010B
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158 os9 I$Detach
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159 L010B ldu PD.BUF,y
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160 beq L0115
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161 ldd #$0001
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162 os9 F$SRtMem
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163 L0115 ldx #$0001
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164 lda #$2A
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165 pshs x,a
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166 ldu PD.DEV,y
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167 ldu V$STAT,u
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168 ldx <V.PDLHd,u
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169 ldd <$3D,y
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170 cmpy <V.PDLHd,u
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171 bne L013A
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172 std <V.PDLHd,u
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173 bne L0143
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174 clr 2,s
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175 bra L0143
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176 L0135 ldx <$3D,x
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177 beq L0147
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178 L013A cmpy <$3D,x
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179 bne L0135
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180 std <$3D,x
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181 L0143 sty <$3D,y
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182 L0147 lbsr L01BD
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183 leas 3,s fix stack
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184 rts
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185
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186
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187 * getstat routine
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188 GetStat lda <$3F,y
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189 lbne L0404
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190 ldx PD.RGS,y
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191 lda R$B,x get status code
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184
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192 cmpa #SS.Opt
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0
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193 bne L0179 branch if not
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194 pshs y,x,a
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184
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195 lda #SS.ComSt call driver's SS.ComSt
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196 sta R$B,x
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197 ldu R$Y,x
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0
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198 pshs u
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199 bsr L0179
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200 puls u
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201 puls y,x,a
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184
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202 sta R$B,x
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203 ldd R$Y,x
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204 stu R$Y,x
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0
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205 bcs L0177
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206 std <$34,y
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207 L0177 clrb
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208 rts
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209 L0179 ldb #$09 getstat offset
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210 JsrDrvr pshs a
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211 clra
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212 ldx PD.DEV,y
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213 ldu V$STAT,x
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214 ldx V$DRIV,x
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215 addd M$Exec,x
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216 leax d,x
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217 puls a
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218 jmp ,x jump into driver
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219
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220
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221 * putstat routine
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222 PutStat lbsr L03E0
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223 L018F bsr L0198
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224 pshs b,cc
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225 lbsr L0391
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226 puls pc,b,cc
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227 L0198 lda R$B,u
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228 ldb #$0C setstat offset
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229 cmpa #SS.Opt SS.Opt?
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230 bne JsrDrvr jsr into driver
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231 * copy passed options to path desc
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232 pshs y
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233 ldx R$X,u
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234 leay <PD.OPT,y
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235 ldb #OPTCNT
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236 L01A9 lda ,x+
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237 sta ,y+
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238 decb
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239 bne L01A9
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240 puls y
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241
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242 L01B2 ldx <$34,y
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184
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243 lda #SS.ComSt
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0
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244 pshs x,a
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245 bsr L01BD
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246 puls pc,x,a
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247 L01BD pshs u,y,x
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248 ldx PD.RGS,y
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249 ldu R$Y,x
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250 lda R$B,x
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251 pshs u,y,x,a
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252 ldd <$10,s
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253 std R$Y,x
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254 lda $0F,s
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255 sta R$B,x
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256 ldb #$0C
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257 lbsr L03E5
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258 bsr L018F
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259 puls u,y,x,a
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260 stu R$Y,x
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261 sta R$B,x
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262 bcc L01E6
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263 cmpb #E$UnkSvc
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264 orcc #Carry
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265 bne L01E6
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266 clrb
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267 L01E6 puls u,y,x
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268 L01E8 rts
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269
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270
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271 * read routine
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272 Read lbsr L03E0
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273 bcs L01E8
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274 inc PD.RAW,y
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184
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275 ldx R$Y,u
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0
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276 beq L0235
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277 pshs x
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278 ldx #$0000
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184
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279 ldu R$X,u
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0
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280 lbsr L0348
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281 bcs L020A
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282 tsta
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283 beq L0220
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284 cmpa <PD.EOF,y
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285 bne L0218
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286 L0208 ldb #E$EOF
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287 L020A leas 2,s
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288 pshs b
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289 bsr L0231
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290 comb
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291 puls pc,b
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292
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293 L0213 lbsr L0348
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294 bcs L020A
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184
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295 L0218 tst <PD.EKO,y
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0
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296 beq L0220
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297 lbsr L046C
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184
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298 L0220 leax 1,x
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0
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299 sta ,u+
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300 beq L022B
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184
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301 cmpa <PD.EOR,y
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0
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302 beq L022F
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303 L022B cmpx ,s
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304 bcs L0213
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305 L022F leas $02,s
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184
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306 L0231 ldu PD.RGS,y
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307 stx R$Y,u
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0
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308 L0235 lbra L0391
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309
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310
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311 * readln routine
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312 ReadLn lbsr L03E0
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313 bcs L01E8
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184
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314 ldx R$Y,u
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0
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315 beq L0231
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184
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316 tst R$Y,u
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0
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317 beq L0248
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184
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318 ldx #256
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0
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319 L0248 pshs x
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320 ldd #$FFFF
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184
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321 std PD.MAX,y
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0
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322 lbsr L030D
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323 L0252 lbsr L0348
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324 bcs L02C8
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325 tsta
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326 beq L0265
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327 ldb #$29
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328 L025C cmpa b,y
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329 beq L0285
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330 incb
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331 cmpb #$31
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332 bls L025C
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184
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333 L0265 cmpx PD.MAX,y
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0
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334 bls L026B
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184
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335 stx PD.MAX,y
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336 L026B leax 1,x
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0
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337 cmpx ,s
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338 bcs L027B
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339 lda <$33,y
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340 lbsr L046C
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184
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341 leax -1,x
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0
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342 bra L0252
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343 L027B lbsr L0369
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344 sta ,u+
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345 lbsr L0379
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346 bra L0252
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347 L0285 pshs pc,x
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348 leax >L0298,pcr
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349 subb #$29
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350 lslb
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351 leax b,x
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184
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352 stx 2,s
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0
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353 puls x
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354 jsr [,s++]
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355 bra L0252
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356 L0298 bra L0313
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357 bra L02FD
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358 bra L02AA
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359 bra L02BE
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360 bra L02D9
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361 bra L02E3
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362 puls pc
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363 bra L02FD
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364 bra L02FD
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184
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365 L02AA leas 2,s
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0
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366 sta ,u
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367 lbsr L0379
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184
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368 ldu R$Y,y
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369 leax 1,x
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370 stx R$Y,u
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0
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371 bsr L0332
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184
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372 leas 2,s
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0
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373 lbra L0391
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184
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374 L02BE leas 2,s
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0
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375 leax ,x
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376 lbeq L0208
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377 bra L0265
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184
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378
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0
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379 L02C8 pshs b
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184
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380 lda #C$CR
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0
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381 sta ,u
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382 bsr L02D5
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383 puls b
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384 lbra L020A
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184
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385 L02D5 lda #C$CR
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0
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386 bra L032F
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184
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387 L02D9 lda <PD.EOR,y
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0
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388 sta ,u
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389 bsr L030D
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390 L02E0 lbsr L037E
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184
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391 L02E3 cmpx PD.MAX,y
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0
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392 beq L02FA
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184
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393 leax 1,x
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394 cmpx 2,s
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0
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395 bcc L02F8
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396 lda ,u+
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397 beq L02E0
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184
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398 cmpa <PD.EOR,y
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0
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399 bne L02E0
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184
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400 leau -1,u
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401 L02F8 leax -1,x
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0
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402 L02FA rts
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403 L02FB bsr L0317
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404 L02FD leax ,x
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405 beq L030D
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184
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406 tst <PD.DLO,y
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0
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407 beq L02FB
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184
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408 tst <PD.EKO,y
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0
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409 beq L030D
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410 bsr L02D5
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411 L030D ldx #$0000
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184
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412 ldu PD.BUF,y
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0
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413 L0312 rts
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414 L0313 leax ,x
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415 beq L02FA
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184
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416 L0317 leau -1,u
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417 leax -1,x
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418 tst <PD.EKO,y
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0
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419 beq L0312
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184
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420 tst <PD.BSO,y
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0
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421 beq L032C
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422 bsr L032C
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184
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423 lda #C$SPAC
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0
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424 lbsr L046C
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184
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425 L032C lda <PD.BSE,y
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0
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426 L032F lbra L046C
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184
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427 L0332 ldx R$X,u
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428 ldu PD.BUF,y
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0
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429 L0336 lda ,u+
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430 sta ,x+
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184
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431 cmpa <PD.EOR,y
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0
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432 bne L0336
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433 rts
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184
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434
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0
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435 L0340 pshs u,y,x
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184
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436 ldx PD.DV2,y
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437 ldu PD.DEV,y
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0
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438 bra L0350
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184
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439
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0
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440 L0348 pshs u,y,x
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184
|
441 ldx PD.DEV,y
|
|
|
442 ldu PD.DV2,y U now points to dev table entry of device 2
|
|
0
|
443 beq L0357
|
|
184
|
444 L0350 ldu V$STAT,u U now points to static storage of device 2
|
|
|
445 ldb <PD.PAG,y
|
|
|
446 stb V.LINE,u
|
|
0
|
447 L0357 leax ,x
|
|
|
448 beq L0367
|
|
184
|
449 tfr u,d D now holds pointer to static storage of device 2
|
|
|
450 ldu V$STAT,x U now holds ???
|
|
|
451 std V.DEV2,u
|
|
0
|
452 ldu #$0003
|
|
|
453 lbsr L04D3
|
|
|
454 L0367 puls pc,u,y,x
|
|
184
|
455
|
|
|
456 L0369 tst <PD.UPC,y
|
|
0
|
457 beq L0378
|
|
184
|
458 cmpa #'a
|
|
0
|
459 bcs L0378
|
|
184
|
460 cmpa #'z
|
|
0
|
461 bhi L0378
|
|
184
|
462 suba #32
|
|
0
|
463 L0378 rts
|
|
184
|
464 L0379 tst <PD.EKO,y
|
|
0
|
465 beq L0378
|
|
184
|
466 L037E cmpa #C$SPAC
|
|
0
|
467 bcc L0386
|
|
184
|
468 cmpa #C$CR
|
|
0
|
469 bne L0389
|
|
|
470 L0386 lbra L046C
|
|
|
471 L0389 pshs a
|
|
184
|
472 lda #C$PERD
|
|
0
|
473 bsr L0386
|
|
|
474 puls pc,a
|
|
|
475
|
|
|
476 L0391 ldx <D.Proc
|
|
|
477 lda P$ID,x
|
|
|
478 ldx PD.DEV,y
|
|
|
479 bsr L039B
|
|
|
480 ldx PD.DV2,y
|
|
|
481 L039B beq L03A5
|
|
|
482 ldx V$STAT,x
|
|
|
483 cmpa V.BUSY,x
|
|
|
484 bne L03A5
|
|
|
485 clr V.BUSY,x
|
|
|
486 L03A5 rts
|
|
|
487
|
|
|
488 * A = PID
|
|
|
489 * X = dev entry
|
|
|
490 * Y = path desc
|
|
|
491 L03A6 pshs x,a
|
|
|
492 ldx V$STAT,x
|
|
|
493 lda V.BUSY,x
|
|
|
494 beq L03C8
|
|
|
495 cmpa ,s compare to A on stack
|
|
|
496 beq L03DD branch if same
|
|
|
497 pshs a
|
|
|
498 bsr L0391
|
|
|
499 puls a
|
|
|
500 os9 F$IOQu
|
|
|
501 inc PD.MIN,y
|
|
|
502 ldx <D.Proc
|
|
|
503 ldb <P$Signal,x
|
|
|
504 puls x,a
|
|
|
505 beq L03A6
|
|
|
506 coma
|
|
|
507 rts
|
|
|
508 L03C8 lda ,s get passed PID on stack
|
|
|
509 sta V.BUSY,x
|
|
|
510 sta V.LPRC,x
|
|
|
511 lda <PD.PSC,y
|
|
|
512 sta V.PCHR,x
|
|
|
513 ldd <PD.INT,y get int/qut
|
|
|
514 std V.INTR,x save in static
|
|
|
515 ldd <PD.XON,y get xon/xoff
|
|
|
516 std V.XON,x save in static
|
|
|
517 L03DD clra
|
|
|
518 puls pc,x,a
|
|
|
519
|
|
|
520 L03E0 lda <$3F,y
|
|
|
521 bne L0402
|
|
|
522 L03E5 ldx <D.Proc
|
|
|
523 lda P$ID,x
|
|
|
524 clr PD.MIN,y
|
|
|
525 ldx PD.DEV,y
|
|
|
526 bsr L03A6
|
|
|
527 bcs L03FF
|
|
184
|
528 ldx PD.DV2,y
|
|
0
|
529 beq L03F9
|
|
|
530 bsr L03A6
|
|
|
531 bcs L03FF
|
|
184
|
532 L03F9 tst PD.MIN,y
|
|
0
|
533 bne L03E0
|
|
184
|
534 clr PD.RAW,y
|
|
|
535 L03FF ldu PD.RGS,y
|
|
0
|
536 rts
|
|
|
537 L0402 leas 2,s
|
|
184
|
538 L0404 ldb #E$HangUp
|
|
0
|
539 cmpa #$02
|
|
|
540 bcs L0411
|
|
184
|
541 lda PD.CPR,y
|
|
|
542 ldb #S$Kill
|
|
0
|
543 os9 F$Send
|
|
|
544 L0411 inc <$3F,y
|
|
|
545 orcc #Carry
|
|
|
546 rts
|
|
|
547
|
|
|
548
|
|
|
549 * writeln routine
|
|
|
550 WriteLn bsr L03E0
|
|
|
551 bra L041F
|
|
|
552
|
|
|
553
|
|
|
554 * write routine
|
|
|
555 Write bsr L03E0
|
|
|
556 inc PD.RAW,y
|
|
|
557 L041F ldx R$Y,u
|
|
|
558 beq L0461
|
|
|
559 pshs x
|
|
|
560 ldx #$0000
|
|
|
561 ldu R$X,u
|
|
|
562 L042A lda ,u+
|
|
|
563 tst PD.RAW,y
|
|
|
564 bne L0444
|
|
|
565 lbsr L0369
|
|
|
566 cmpa #C$LF
|
|
|
567 bne L0444
|
|
|
568 lda #C$CR
|
|
|
569 tst <PD.ALF,y
|
|
|
570 bne L0444
|
|
|
571 bsr L047A
|
|
|
572 bcs L0464
|
|
|
573 lda #C$LF
|
|
|
574 L0444 bsr L047A
|
|
|
575 bcs L0464
|
|
|
576 leax 1,x
|
|
|
577 cmpx ,s
|
|
|
578 bcc L045B
|
|
|
579 lda -1,u
|
|
|
580 beq L042A
|
|
|
581 cmpa <PD.EOR,y
|
|
|
582 bne L042A
|
|
|
583 tst PD.RAW,y
|
|
|
584 bne L042A
|
|
|
585 L045B leas 2,s
|
|
|
586 L045D ldu PD.RGS,y
|
|
|
587 stx R$Y,u
|
|
|
588 L0461 lbra L0391
|
|
|
589 L0464 leas 2,s
|
|
|
590 pshs b,cc
|
|
|
591 bsr L045D
|
|
|
592 puls pc,b,cc
|
|
|
593
|
|
|
594 L046C pshs u,x,a
|
|
184
|
595 ldx PD.DV2,y
|
|
0
|
596 beq L0478
|
|
|
597 cmpa #C$CR
|
|
|
598 beq L04A9
|
|
|
599 L0476 bsr L04D0
|
|
|
600 L0478 puls pc,u,x,a
|
|
|
601
|
|
|
602 L047A pshs u,x,a
|
|
|
603 ldx PD.DEV,y
|
|
|
604 cmpa #C$CR
|
|
|
605 bne L0476
|
|
|
606 ldu V$STAT,x
|
|
|
607 tst V.PAUS,u
|
|
|
608 bne L0497
|
|
|
609 tst PD.RAW,y
|
|
|
610 bne L04A9
|
|
|
611 tst <PD.PAU,y
|
|
|
612 beq L04A9
|
|
|
613 dec V.LINE,u
|
|
|
614 bne L04A9
|
|
|
615 bra L04A1
|
|
|
616 L0497 lbsr L0340
|
|
|
617 bcs L04A1
|
|
|
618 cmpa <PD.PSC,y
|
|
|
619 bne L0497
|
|
|
620 L04A1 lbsr L0340
|
|
|
621 cmpa <PD.PSC,y
|
|
|
622 beq L04A1
|
|
|
623 L04A9 ldu V$STAT,x
|
|
|
624 clr V$USRS,u
|
|
|
625 lda #C$CR
|
|
|
626 bsr L04D0
|
|
|
627 tst PD.RAW,y
|
|
|
628 bne L04CE
|
|
|
629 ldb <PD.NUL,y
|
|
|
630 pshs b
|
|
|
631 tst <PD.ALF,y
|
|
|
632 beq L04C5
|
|
|
633 lda #C$LF
|
|
|
634 L04C1 bsr L04D0
|
|
|
635 bcs L04CC
|
|
|
636 L04C5 lda #C$NULL
|
|
|
637 dec ,s
|
|
|
638 bpl L04C1
|
|
|
639 clra
|
|
|
640 L04CC leas 1,s
|
|
|
641 L04CE puls pc,u,x,a
|
|
|
642
|
|
|
643 L04D0 ldu #$0006
|
|
|
644 L04D3 pshs u,y,x,a
|
|
184
|
645 ldu V$STAT,x
|
|
|
646 clr V.WAKE,u
|
|
|
647 ldx V$DRIV,x
|
|
|
648 ldd M$Exec,x
|
|
0
|
649 addd $05,s
|
|
|
650 leax d,x
|
|
|
651 lda ,s+
|
|
|
652 jsr ,x
|
|
|
653 puls pc,u,y,x
|
|
|
654
|
|
|
655 emod
|
|
|
656 eom equ *
|
|
|
657 end
|
