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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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6 * Ed. Comments Who YY/MM/DD
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7 * ------------------------------------------------------------------
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201
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8 * 10 From Tandy OS-9 Level One VR 02.00.00
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9
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10 nam SCF
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11 ttl OS-9 Level One V2 SCF file manager
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12
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13 ifp1
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14 use defsfile
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15 use scfdefs
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16 endc
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17
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18 tylg set FlMgr+Objct
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19 atrv set ReEnt+rev
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20 rev set $01
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201
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21 edition set 10
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22
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23 mod eom,name,tylg,atrv,start,size
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24
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25 size equ .
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26
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27 name fcs /SCF/
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28 fcb edition
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29
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30 start lbra Create
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31 lbra Open
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32 lbra MakDir
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33 lbra ChgDir
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34 lbra Delete
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35 lbra Seek
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36 lbra Read
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37 lbra Write
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38 lbra ReadLn
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39 lbra WriteLn
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40 lbra GetStat
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41 lbra PutStat
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42 lbra Term
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43
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44 L0038 puls y
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45
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46
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47 * ChgDir/MakDir entry
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48 ChgDir
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49 MakDir comb
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50 ldb #E$BPNam
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51 L003D rts
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52
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53
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54 * Open/Create entry
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55 Open
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56 Create ldx PD.DEV,y
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57 stx <$3B,y
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58 ldu PD.RGS,y
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59 pshs y
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60 ldx R$X,u
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61 os9 F$PrsNam
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62 bcs L0038
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63 lda -1,y get last char
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64 bmi L0059 branch if hi bit set
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65 leax ,y else point X at last char + 1
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66 os9 F$PrsNam
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67 bcc L0038
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68 L0059 sty R$X,u
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69 puls y
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70 lda #READ.
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71 bita PD.MOD,y
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72 beq L00A2
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73 ldd #$0001
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74 os9 F$SRqMem allocate buffer
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75 bcs L003D
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76 stu PD.BUF,y
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77 clrb
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78 bsr L0091
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79
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80 * cute message
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184
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81 cute fcb $62,$1B,$59,$6B,$65,$65,$2A,$11,$1C,$0D,$0F
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82 fcb $42,$0C,$6C,$62,$6D,$31,$13,$0F,$0B,$49,$0C
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83 fcb $72,$7C,$6A,$2B,$08,$00,$02,$11,$00,$79
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84
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85 * put cute message into our newly allocated PD buffer
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86 L0091 puls x get PC into X
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87 clra
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88 L0094 eora ,x+
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89 sta ,u+
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90 decb
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184
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91 cmpa #C$CR
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0
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92 bne L0094
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93 L009D sta ,u+
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94 decb
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95 bne L009D
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96 L00A2 ldu PD.DEV,y
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97 beq MakDir
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98 ldx V$STAT,u X = static storage ptr
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99 lda <PD.PAG,y get page len
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100 sta V.LINE,x store in static
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101 ldx V$DESC,u
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102 ldd <PD.D2P,y
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103 beq L00C6
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104 leax d,x
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105 lda PD.MOD,y
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106 lsra
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107 rorb
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108 lsra
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109 rolb
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110 rola
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111 rorb
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112 rola
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113 os9 I$Attach attach to DEV2
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114 bcs L00FD
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115 stu PD.DV2,y save dev entry
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116 L00C6 ldu V$STAT,u
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117 clra
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118 clrb
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119 pshs b,a
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120 ldx <V.PDLHd,u
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121 bne L00D9
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122 sty <V.PDLHd,u
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123 bra L00E9
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124 L00D7 tfr d,x
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125 L00D9 ldb <$3F,x
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126 bne L00E0
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127 inc 1,s in B on stack
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128 L00E0 ldd <$3D,x
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129 bne L00D7
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130 sty <$3D,x
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131 L00E9 lda #$29
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132 pshs a
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133 inc 2,s inc B on stack
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134 lbsr L01BD
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135 lda 2,s get B on stack
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136 leas 3,s clean up stack
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137 deca
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138 bne L00FC
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139 lbra L01B2
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140 L00FC clrb
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141 L00FD rts
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142
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143
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144 * term routine
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145 Term tst PD.CNT,y
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146 beq L0104 branch if count is zero
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147
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148
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149 * seek/delete routine
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150 Seek
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151 Delete clra
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152 rts
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153
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154 L0104 ldu PD.DV2,y
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155 beq L010B
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156 os9 I$Detach
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157 L010B ldu PD.BUF,y
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158 beq L0115
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159 ldd #$0001
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160 os9 F$SRtMem
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161 L0115 ldx #$0001
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162 lda #$2A
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163 pshs x,a
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164 ldu PD.DEV,y
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165 ldu V$STAT,u
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166 ldx <V.PDLHd,u
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167 ldd <$3D,y
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168 cmpy <V.PDLHd,u
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169 bne L013A
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170 std <V.PDLHd,u
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171 bne L0143
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172 clr 2,s
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173 bra L0143
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174 L0135 ldx <$3D,x
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175 beq L0147
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176 L013A cmpy <$3D,x
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177 bne L0135
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178 std <$3D,x
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179 L0143 sty <$3D,y
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180 L0147 lbsr L01BD
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181 leas 3,s fix stack
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182 rts
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183
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184
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185 * getstat routine
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186 GetStat lda <$3F,y
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187 lbne L0404
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188 ldx PD.RGS,y
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189 lda R$B,x get status code
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184
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190 cmpa #SS.Opt
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0
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191 bne L0179 branch if not
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192 pshs y,x,a
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184
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193 lda #SS.ComSt call driver's SS.ComSt
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194 sta R$B,x
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195 ldu R$Y,x
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0
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196 pshs u
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197 bsr L0179
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198 puls u
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199 puls y,x,a
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184
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200 sta R$B,x
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201 ldd R$Y,x
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202 stu R$Y,x
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203 bcs L0177
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204 std <$34,y
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205 L0177 clrb
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206 rts
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207 L0179 ldb #$09 getstat offset
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208 JsrDrvr pshs a
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209 clra
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210 ldx PD.DEV,y
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211 ldu V$STAT,x
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212 ldx V$DRIV,x
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213 addd M$Exec,x
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214 leax d,x
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215 puls a
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216 jmp ,x jump into driver
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217
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218
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219 * putstat routine
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220 PutStat lbsr L03E0
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221 L018F bsr L0198
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222 pshs b,cc
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223 lbsr L0391
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224 puls pc,b,cc
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225 L0198 lda R$B,u
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226 ldb #$0C setstat offset
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227 cmpa #SS.Opt SS.Opt?
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228 bne JsrDrvr jsr into driver
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229 * copy passed options to path desc
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230 pshs y
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231 ldx R$X,u
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232 leay <PD.OPT,y
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233 ldb #OPTCNT
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234 L01A9 lda ,x+
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235 sta ,y+
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236 decb
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237 bne L01A9
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238 puls y
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239
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240 L01B2 ldx <$34,y
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184
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241 lda #SS.ComSt
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0
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242 pshs x,a
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243 bsr L01BD
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244 puls pc,x,a
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245 L01BD pshs u,y,x
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246 ldx PD.RGS,y
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247 ldu R$Y,x
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248 lda R$B,x
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249 pshs u,y,x,a
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250 ldd <$10,s
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251 std R$Y,x
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252 lda $0F,s
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253 sta R$B,x
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254 ldb #$0C
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255 lbsr L03E5
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256 bsr L018F
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257 puls u,y,x,a
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258 stu R$Y,x
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259 sta R$B,x
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260 bcc L01E6
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261 cmpb #E$UnkSvc
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262 orcc #Carry
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263 bne L01E6
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264 clrb
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265 L01E6 puls u,y,x
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266 L01E8 rts
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267
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268
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269 * read routine
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270 Read lbsr L03E0
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271 bcs L01E8
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272 inc PD.RAW,y
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184
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273 ldx R$Y,u
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0
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274 beq L0235
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275 pshs x
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276 ldx #$0000
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184
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277 ldu R$X,u
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0
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278 lbsr L0348
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279 bcs L020A
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280 tsta
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281 beq L0220
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282 cmpa <PD.EOF,y
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283 bne L0218
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284 L0208 ldb #E$EOF
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285 L020A leas 2,s
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286 pshs b
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287 bsr L0231
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288 comb
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289 puls pc,b
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290
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291 L0213 lbsr L0348
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292 bcs L020A
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184
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293 L0218 tst <PD.EKO,y
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0
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294 beq L0220
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295 lbsr L046C
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184
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296 L0220 leax 1,x
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0
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297 sta ,u+
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298 beq L022B
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184
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299 cmpa <PD.EOR,y
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0
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300 beq L022F
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301 L022B cmpx ,s
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302 bcs L0213
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303 L022F leas $02,s
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184
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304 L0231 ldu PD.RGS,y
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305 stx R$Y,u
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306 L0235 lbra L0391
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307
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308
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309 * readln routine
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310 ReadLn lbsr L03E0
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311 bcs L01E8
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184
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312 ldx R$Y,u
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0
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313 beq L0231
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184
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314 tst R$Y,u
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0
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315 beq L0248
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184
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316 ldx #256
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0
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317 L0248 pshs x
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318 ldd #$FFFF
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184
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319 std PD.MAX,y
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0
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320 lbsr L030D
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321 L0252 lbsr L0348
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322 bcs L02C8
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323 tsta
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324 beq L0265
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325 ldb #$29
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326 L025C cmpa b,y
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327 beq L0285
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328 incb
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329 cmpb #$31
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330 bls L025C
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184
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331 L0265 cmpx PD.MAX,y
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0
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332 bls L026B
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184
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333 stx PD.MAX,y
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334 L026B leax 1,x
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0
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335 cmpx ,s
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336 bcs L027B
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337 lda <$33,y
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338 lbsr L046C
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184
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339 leax -1,x
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340 bra L0252
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341 L027B lbsr L0369
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342 sta ,u+
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343 lbsr L0379
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344 bra L0252
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345 L0285 pshs pc,x
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346 leax >L0298,pcr
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347 subb #$29
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348 lslb
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349 leax b,x
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184
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350 stx 2,s
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0
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351 puls x
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352 jsr [,s++]
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353 bra L0252
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354 L0298 bra L0313
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355 bra L02FD
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356 bra L02AA
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357 bra L02BE
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358 bra L02D9
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359 bra L02E3
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360 puls pc
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361 bra L02FD
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362 bra L02FD
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184
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363 L02AA leas 2,s
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0
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364 sta ,u
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365 lbsr L0379
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184
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366 ldu R$Y,y
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367 leax 1,x
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368 stx R$Y,u
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0
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369 bsr L0332
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184
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370 leas 2,s
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0
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371 lbra L0391
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184
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372 L02BE leas 2,s
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0
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373 leax ,x
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374 lbeq L0208
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375 bra L0265
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184
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376
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0
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377 L02C8 pshs b
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184
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378 lda #C$CR
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0
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379 sta ,u
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380 bsr L02D5
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381 puls b
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382 lbra L020A
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184
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383 L02D5 lda #C$CR
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0
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384 bra L032F
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184
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385 L02D9 lda <PD.EOR,y
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0
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386 sta ,u
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387 bsr L030D
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388 L02E0 lbsr L037E
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184
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389 L02E3 cmpx PD.MAX,y
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0
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390 beq L02FA
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184
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391 leax 1,x
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392 cmpx 2,s
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0
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393 bcc L02F8
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394 lda ,u+
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395 beq L02E0
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184
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396 cmpa <PD.EOR,y
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0
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397 bne L02E0
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184
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398 leau -1,u
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399 L02F8 leax -1,x
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0
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400 L02FA rts
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401 L02FB bsr L0317
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402 L02FD leax ,x
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403 beq L030D
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184
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404 tst <PD.DLO,y
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0
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405 beq L02FB
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184
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406 tst <PD.EKO,y
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0
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407 beq L030D
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408 bsr L02D5
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409 L030D ldx #$0000
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184
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410 ldu PD.BUF,y
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0
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411 L0312 rts
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412 L0313 leax ,x
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413 beq L02FA
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184
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414 L0317 leau -1,u
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415 leax -1,x
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416 tst <PD.EKO,y
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0
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417 beq L0312
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184
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418 tst <PD.BSO,y
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0
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419 beq L032C
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420 bsr L032C
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184
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421 lda #C$SPAC
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0
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422 lbsr L046C
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184
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423 L032C lda <PD.BSE,y
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0
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424 L032F lbra L046C
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184
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425 L0332 ldx R$X,u
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426 ldu PD.BUF,y
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0
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427 L0336 lda ,u+
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428 sta ,x+
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184
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429 cmpa <PD.EOR,y
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0
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430 bne L0336
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431 rts
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184
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432
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0
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433 L0340 pshs u,y,x
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184
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434 ldx PD.DV2,y
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435 ldu PD.DEV,y
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0
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436 bra L0350
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184
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437
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0
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438 L0348 pshs u,y,x
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184
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439 ldx PD.DEV,y
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440 ldu PD.DV2,y U now points to dev table entry of device 2
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0
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441 beq L0357
|
|
184
|
442 L0350 ldu V$STAT,u U now points to static storage of device 2
|
|
|
443 ldb <PD.PAG,y
|
|
|
444 stb V.LINE,u
|
|
0
|
445 L0357 leax ,x
|
|
|
446 beq L0367
|
|
184
|
447 tfr u,d D now holds pointer to static storage of device 2
|
|
|
448 ldu V$STAT,x U now holds ???
|
|
|
449 std V.DEV2,u
|
|
0
|
450 ldu #$0003
|
|
|
451 lbsr L04D3
|
|
|
452 L0367 puls pc,u,y,x
|
|
184
|
453
|
|
|
454 L0369 tst <PD.UPC,y
|
|
0
|
455 beq L0378
|
|
184
|
456 cmpa #'a
|
|
0
|
457 bcs L0378
|
|
184
|
458 cmpa #'z
|
|
0
|
459 bhi L0378
|
|
184
|
460 suba #32
|
|
0
|
461 L0378 rts
|
|
184
|
462 L0379 tst <PD.EKO,y
|
|
0
|
463 beq L0378
|
|
184
|
464 L037E cmpa #C$SPAC
|
|
0
|
465 bcc L0386
|
|
184
|
466 cmpa #C$CR
|
|
0
|
467 bne L0389
|
|
|
468 L0386 lbra L046C
|
|
|
469 L0389 pshs a
|
|
184
|
470 lda #C$PERD
|
|
0
|
471 bsr L0386
|
|
|
472 puls pc,a
|
|
|
473
|
|
|
474 L0391 ldx <D.Proc
|
|
|
475 lda P$ID,x
|
|
|
476 ldx PD.DEV,y
|
|
|
477 bsr L039B
|
|
|
478 ldx PD.DV2,y
|
|
|
479 L039B beq L03A5
|
|
|
480 ldx V$STAT,x
|
|
|
481 cmpa V.BUSY,x
|
|
|
482 bne L03A5
|
|
|
483 clr V.BUSY,x
|
|
|
484 L03A5 rts
|
|
|
485
|
|
|
486 * A = PID
|
|
|
487 * X = dev entry
|
|
|
488 * Y = path desc
|
|
|
489 L03A6 pshs x,a
|
|
|
490 ldx V$STAT,x
|
|
|
491 lda V.BUSY,x
|
|
|
492 beq L03C8
|
|
|
493 cmpa ,s compare to A on stack
|
|
|
494 beq L03DD branch if same
|
|
|
495 pshs a
|
|
|
496 bsr L0391
|
|
|
497 puls a
|
|
|
498 os9 F$IOQu
|
|
|
499 inc PD.MIN,y
|
|
|
500 ldx <D.Proc
|
|
|
501 ldb <P$Signal,x
|
|
|
502 puls x,a
|
|
|
503 beq L03A6
|
|
|
504 coma
|
|
|
505 rts
|
|
|
506 L03C8 lda ,s get passed PID on stack
|
|
|
507 sta V.BUSY,x
|
|
|
508 sta V.LPRC,x
|
|
|
509 lda <PD.PSC,y
|
|
|
510 sta V.PCHR,x
|
|
|
511 ldd <PD.INT,y get int/qut
|
|
|
512 std V.INTR,x save in static
|
|
|
513 ldd <PD.XON,y get xon/xoff
|
|
|
514 std V.XON,x save in static
|
|
|
515 L03DD clra
|
|
|
516 puls pc,x,a
|
|
|
517
|
|
|
518 L03E0 lda <$3F,y
|
|
|
519 bne L0402
|
|
|
520 L03E5 ldx <D.Proc
|
|
|
521 lda P$ID,x
|
|
|
522 clr PD.MIN,y
|
|
|
523 ldx PD.DEV,y
|
|
|
524 bsr L03A6
|
|
|
525 bcs L03FF
|
|
184
|
526 ldx PD.DV2,y
|
|
0
|
527 beq L03F9
|
|
|
528 bsr L03A6
|
|
|
529 bcs L03FF
|
|
184
|
530 L03F9 tst PD.MIN,y
|
|
0
|
531 bne L03E0
|
|
184
|
532 clr PD.RAW,y
|
|
|
533 L03FF ldu PD.RGS,y
|
|
0
|
534 rts
|
|
|
535 L0402 leas 2,s
|
|
184
|
536 L0404 ldb #E$HangUp
|
|
0
|
537 cmpa #$02
|
|
|
538 bcs L0411
|
|
184
|
539 lda PD.CPR,y
|
|
|
540 ldb #S$Kill
|
|
0
|
541 os9 F$Send
|
|
|
542 L0411 inc <$3F,y
|
|
|
543 orcc #Carry
|
|
|
544 rts
|
|
|
545
|
|
|
546
|
|
|
547 * writeln routine
|
|
|
548 WriteLn bsr L03E0
|
|
|
549 bra L041F
|
|
|
550
|
|
|
551
|
|
|
552 * write routine
|
|
|
553 Write bsr L03E0
|
|
|
554 inc PD.RAW,y
|
|
|
555 L041F ldx R$Y,u
|
|
|
556 beq L0461
|
|
|
557 pshs x
|
|
|
558 ldx #$0000
|
|
|
559 ldu R$X,u
|
|
|
560 L042A lda ,u+
|
|
|
561 tst PD.RAW,y
|
|
|
562 bne L0444
|
|
|
563 lbsr L0369
|
|
|
564 cmpa #C$LF
|
|
|
565 bne L0444
|
|
|
566 lda #C$CR
|
|
|
567 tst <PD.ALF,y
|
|
|
568 bne L0444
|
|
|
569 bsr L047A
|
|
|
570 bcs L0464
|
|
|
571 lda #C$LF
|
|
|
572 L0444 bsr L047A
|
|
|
573 bcs L0464
|
|
|
574 leax 1,x
|
|
|
575 cmpx ,s
|
|
|
576 bcc L045B
|
|
|
577 lda -1,u
|
|
|
578 beq L042A
|
|
|
579 cmpa <PD.EOR,y
|
|
|
580 bne L042A
|
|
|
581 tst PD.RAW,y
|
|
|
582 bne L042A
|
|
|
583 L045B leas 2,s
|
|
|
584 L045D ldu PD.RGS,y
|
|
|
585 stx R$Y,u
|
|
|
586 L0461 lbra L0391
|
|
|
587 L0464 leas 2,s
|
|
|
588 pshs b,cc
|
|
|
589 bsr L045D
|
|
|
590 puls pc,b,cc
|
|
|
591
|
|
|
592 L046C pshs u,x,a
|
|
184
|
593 ldx PD.DV2,y
|
|
0
|
594 beq L0478
|
|
|
595 cmpa #C$CR
|
|
|
596 beq L04A9
|
|
|
597 L0476 bsr L04D0
|
|
|
598 L0478 puls pc,u,x,a
|
|
|
599
|
|
|
600 L047A pshs u,x,a
|
|
|
601 ldx PD.DEV,y
|
|
|
602 cmpa #C$CR
|
|
|
603 bne L0476
|
|
|
604 ldu V$STAT,x
|
|
|
605 tst V.PAUS,u
|
|
|
606 bne L0497
|
|
|
607 tst PD.RAW,y
|
|
|
608 bne L04A9
|
|
|
609 tst <PD.PAU,y
|
|
|
610 beq L04A9
|
|
|
611 dec V.LINE,u
|
|
|
612 bne L04A9
|
|
|
613 bra L04A1
|
|
|
614 L0497 lbsr L0340
|
|
|
615 bcs L04A1
|
|
|
616 cmpa <PD.PSC,y
|
|
|
617 bne L0497
|
|
|
618 L04A1 lbsr L0340
|
|
|
619 cmpa <PD.PSC,y
|
|
|
620 beq L04A1
|
|
|
621 L04A9 ldu V$STAT,x
|
|
|
622 clr V$USRS,u
|
|
|
623 lda #C$CR
|
|
|
624 bsr L04D0
|
|
|
625 tst PD.RAW,y
|
|
|
626 bne L04CE
|
|
|
627 ldb <PD.NUL,y
|
|
|
628 pshs b
|
|
|
629 tst <PD.ALF,y
|
|
|
630 beq L04C5
|
|
|
631 lda #C$LF
|
|
|
632 L04C1 bsr L04D0
|
|
|
633 bcs L04CC
|
|
|
634 L04C5 lda #C$NULL
|
|
|
635 dec ,s
|
|
|
636 bpl L04C1
|
|
|
637 clra
|
|
|
638 L04CC leas 1,s
|
|
|
639 L04CE puls pc,u,x,a
|
|
|
640
|
|
|
641 L04D0 ldu #$0006
|
|
|
642 L04D3 pshs u,y,x,a
|
|
184
|
643 ldu V$STAT,x
|
|
|
644 clr V.WAKE,u
|
|
|
645 ldx V$DRIV,x
|
|
|
646 ldd M$Exec,x
|
|
0
|
647 addd $05,s
|
|
|
648 leax d,x
|
|
|
649 lda ,s+
|
|
|
650 jsr ,x
|
|
|
651 puls pc,u,y,x
|
|
|
652
|
|
|
653 emod
|
|
|
654 eom equ *
|
|
|
655 end
|
