Mercurial > hg > Members > kono > nitros9-code
annotate level1/cmds/devs.asm @ 2568:ad7819d6c5c5
Updated
| author | boisy |
|---|---|
| date | Sat, 12 Feb 2011 01:26:34 +0000 |
| parents | 84ea83668304 |
| children |
| rev | line source |
|---|---|
| 963 | 1 ******************************************************************** |
| 2 * devs - Show device table entries | |
| 3 * | |
| 4 * $Id$ | |
| 5 * | |
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1325
84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
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6 * Edt/Rev YYYY/MM/DD Modified by |
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84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
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changeset
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7 * Comment |
| 963 | 8 * ------------------------------------------------------------------ |
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1325
84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
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changeset
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9 * 2 ????/??/?? |
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84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
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10 * Original version. |
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84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
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11 * |
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84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
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12 * 3 ????/??/?? Alan DeKok |
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84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
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13 * Reworked. |
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84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
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14 * |
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84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
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15 * 3 2003/01/07 Boisy G. Pitre |
|
84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
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16 * Renamed to devs ala OS-9/68K, reworked. |
| 963 | 17 |
| 18 nam devs | |
| 19 ttl Show device table entries | |
| 20 | |
| 21 ifp1 | |
| 22 use defsfile | |
| 23 endc | |
| 24 | |
| 25 tylg set Prgrm+Objct | |
| 26 atrv set ReEnt+rev | |
|
1325
84ea83668304
Redid comments, reset all rev nibbles that weren't explictly set to 0
boisy
parents:
963
diff
changeset
|
27 rev set $00 |
| 963 | 28 edition set 3 |
| 29 | |
| 30 mod eom,name,tylg,atrv,start,size | |
| 31 | |
| 32 MaxEnts set 64 maximmum entries we display | |
| 33 | |
| 34 org 0 | |
| 35 memstrt rmb 2 | |
| 36 outptr rmb 2 | |
| 37 counter rmb 1 | |
| 38 narrow rmb 1 | |
| 39 curdte rmb 2 | |
| 40 ddevtbl rmb 2 device table pointer | |
| 41 devcount rmb 1 | |
| 42 descptr rmb 2 | |
| 43 numbytes rmb 1 | |
| 44 lnbuff rmb 80 | |
| 45 IFGT Level-1 | |
| 46 datimg rmb 4 | |
| 47 devtbcpy rmb MaxEnts*DEVSIZ | |
| 48 descrip rmb 256 | |
| 49 syspdesc rmb P$Size | |
| 50 ENDC | |
| 51 stack rmb 200 | |
| 52 size equ . | |
| 53 | |
| 54 name fcs /devs/ | |
| 55 fcb edition | |
| 56 | |
| 57 Header1 fcc /Device Table at: / | |
| 58 x12Len equ *-Header1 | |
| 59 NHeader fcc /Dv Desc Drvr Stat File Usr/ | |
| 60 fcb C$CR | |
| 61 NHeaderL equ *-NHeader | |
| 62 NHeader2 fcc /Nm Port Name Mem Mgr Cnt/ | |
| 63 fcb C$CR | |
| 64 NHeader2L equ *-NHeader2 | |
| 65 NUndln fcc /------- ----------- ---- ---/ | |
| 66 fcb C$CR | |
| 67 NUndlnL equ *-NUndln | |
| 68 Header fcc /Device Desc Driver Static File Usr/ | |
| 69 fcb C$CR | |
| 70 HeaderL equ *-Header | |
| 71 Header2 fcc /Name Port Name Mem Manager Cnt/ | |
| 72 fcb C$CR | |
| 73 Header2L equ *-Header2 | |
| 74 Undln fcc /----------- ------------- ------- ---/ | |
| 75 MyCR fcb C$CR | |
| 76 UndlnL equ *-Undln | |
| 77 Init fcs /Init/ | |
| 78 | |
| 79 start ldd ,x get parameter bytes | |
| 80 cmpd #$2D3F -? | |
| 81 lbeq Help | |
| 82 lda #MaxEnts get maximum entries we support | |
| 83 sta <devcount and save as count | |
| 84 leax Init,pcr | |
| 85 clra | |
| 86 pshs u | |
| 87 os9 F$Link | |
| 88 bcs Exit | |
| 89 lda <DevCnt,u get device count | |
| 90 os9 F$UnLink unlink module | |
| 91 puls u restore static pointer | |
| 92 cmpa <devcount is table same or larger than our default? | |
| 93 bge cont branch if so | |
| 94 sta <devcount else store smaller count | |
| 95 cont stu <memstrt | |
| 96 clr <narrow assume wide | |
| 97 lda #$01 | |
| 98 ldb #SS.ScSiz | |
| 99 os9 I$GetStt | |
| 100 bcs cont2 | |
| 101 cmpx #HeaderL+1 | |
| 102 bge cont2 | |
| 103 sta <narrow | |
| 104 cont2 leax >MyCR,pcr | |
| 105 ldy #$0001 | |
| 106 os9 I$WritLn output a CR | |
| 107 lbcs Exit | |
| 108 leax >Header1,pcr dump out header | |
| 109 ldy #x12Len | |
| 110 os9 I$Write | |
| 111 lbcs Exit | |
| 112 IFGT Level-1 | |
| 113 lda #$01 | |
| 114 leax >syspdesc,u | |
| 115 os9 F$GPrDsc get system process descriptor | |
| 116 bcs Exit | |
| 117 leax <P$DATImg,x | |
| 118 stx <datimg save address of system's DAT image | |
| 119 ENDC | |
| 120 bra L00D3 | |
| 121 | |
| 122 ClnExit clrb | |
| 123 Exit os9 F$Exit | |
| 124 | |
| 125 L00D3 equ * | |
| 126 IFGT Level-1 | |
| 127 ldu <memstrt | |
| 128 leau <ddevtbl,u | |
| 129 ldd <datimg | |
| 130 ldx #D.DevTbl I/O device table | |
| 131 ldy #$0002 size of the pointer | |
| 132 os9 F$CpyMem | |
| 133 lbcs Exit | |
| 134 ldu <memstrt | |
| 135 ldd <ddevtbl | |
| 136 ELSE | |
| 137 ldd >D.DevTbl | |
| 138 std <ddevtbl | |
| 139 ENDC | |
| 140 leay <lnbuff,u | |
| 141 sty <outptr | |
| 142 lbsr HexWord output D as hex word | |
| 143 lbsr PrintBuf | |
| 144 | |
| 145 lda #$01 | |
| 146 leax >MyCR,pcr dump out another CR | |
| 147 ldy #$0001 | |
| 148 os9 I$WritLn | |
| 149 lbcs Exit | |
| 150 | |
| 151 leax >Header,pcr | |
| 152 ldy #HeaderL | |
| 153 tst <narrow | |
| 154 beq branch1 | |
| 155 leax >NHeader,pcr | |
| 156 ldy #NHeaderL | |
| 157 branch1 os9 I$WritLn | |
| 158 lbcs Exit | |
| 159 | |
| 160 leax >Header2,pcr | |
| 161 ldy #Header2L | |
| 162 tst <narrow | |
| 163 beq branch2 | |
| 164 leax >NHeader2,pcr | |
| 165 ldy #NHeader2L | |
| 166 branch2 os9 I$WritLn | |
| 167 lbcs Exit | |
| 168 leax >Undln,pcr | |
| 169 ldy #UndlnL | |
| 170 tst <narrow | |
| 171 beq branch3 | |
| 172 leax >NUndln,pcr | |
| 173 ldy #NUndlnL | |
| 174 branch3 os9 I$WritLn | |
| 175 lbcs Exit | |
| 176 | |
| 177 IFGT Level-1 | |
| 178 ldu <memstrt | |
| 179 lda <devcount | |
| 180 ldb #DEVSIZ | |
| 181 mul | |
| 182 tfr d,y | |
| 183 leau >devtbcpy,u | |
| 184 ldx <ddevtbl | |
| 185 ldd <datimg | |
| 186 os9 F$CpyMem copy the device table over | |
| 187 lbcs Exit | |
| 188 stu <curdte save pointer to start of DevTbl | |
| 189 ELSE | |
| 190 ldd <ddevtbl | |
| 191 std <curdte | |
| 192 ENDC | |
| 193 ldb <devcount | |
| 194 stb <counter total number of entries to get | |
| 195 | |
| 196 L0155 bsr L0165 | |
| 197 dec <counter | |
| 198 lbeq ClnExit if done them all, exit | |
| 199 | |
| 200 ldx <curdte get current pointer | |
| 201 leax DEVSIZ,x go to the next one | |
| 202 stx <curdte save the pointer again | |
| 203 bra L0155 and loop back | |
| 204 | |
| 205 L0165 ldu <memstrt get static pointer | |
| 206 leay <lnbuff,u point to line buffer | |
| 207 sty <outptr save as ptr | |
| 208 lda #C$SPAC space | |
| 209 ldb #5 assume this length | |
| 210 tst <narrow are we narrow? | |
| 211 beq L0171 branch if not | |
| 212 ldb #3 else load new size | |
| 213 L0171 sta ,y+ save spaces | |
| 214 decb | |
| 215 bne L0171 | |
| 216 | |
| 217 ldx <curdte get the current pointer | |
| 218 ldx V$DESC,x descriptor? | |
| 219 bne L017D if exists, go do it | |
| 220 rts otherwise exit | |
| 221 | |
| 222 L017D equ * | |
| 223 IFGT Level-1 | |
| 224 pshs u | |
| 225 leau >descrip,u to another buffer | |
| 226 ldd <datimg system DAT image | |
| 227 ldy #256 | |
| 228 os9 F$CpyMem | |
| 229 puls u | |
| 230 lbcs Exit | |
| 231 | |
| 232 leax >descrip,u point to the start of the buffer | |
| 233 ELSE | |
| 234 stx <descptr save descriptor pointer | |
| 235 ENDC | |
| 236 ldd M$Name,x pointer to the name | |
| 237 leax d,x | |
| 238 lda #5 assume this size | |
| 239 tst <narrow are we narrow? | |
| 240 beq branch4 branch if not | |
| 241 lda #3 else get new size | |
| 242 branch4 bsr Str2Buf dump out the first few bytes of the name | |
| 243 | |
| 244 IFGT Level-1 | |
| 245 leax >descrip,u | |
| 246 ELSE | |
| 247 ldx <descptr | |
| 248 ENDC | |
| 249 tst <narrow | |
| 250 bne skip1 | |
| 251 lda M$Port,x port address of the device | |
| 252 lbsr HexByte | |
| 253 ldy <outptr | |
| 254 leay -1,y | |
| 255 sty <outptr | |
| 256 skip1 ldd M$Port+1,x | |
| 257 lbsr HexWord | |
| 258 lbsr Space | |
| 259 * IFGT Level-1 | |
| 260 * leax >descrip,u | |
| 261 * ELSE | |
| 262 * ldx <descptr | |
| 263 * ENDC | |
| 264 ldd M$PDev,x device driver name offset | |
| 265 leax d,x | |
| 266 lda #9 | |
| 267 tst <narrow | |
| 268 beq branch5 | |
| 269 lda #7 | |
| 270 branch5 bsr Str2Buf dump out bytes of the driver name | |
| 271 ldx <curdte | |
| 272 ldd V$STAT,x | |
| 273 lbsr HexWord | |
| 274 lbsr Space | |
| 275 IFGT Level-1 | |
| 276 leax >descrip,u | |
| 277 ELSE | |
| 278 ldx <descptr | |
| 279 ENDC | |
| 280 ldd M$FMGr,x file manager name offset | |
| 281 leax d,x point to it | |
| 282 lda #9 | |
| 283 tst <narrow | |
| 284 beq branch6 | |
| 285 lda #7 | |
| 286 branch6 bsr Str2Buf dump out bytes of the file manager's name | |
| 287 ldx <curdte | |
| 288 lda V$USRS,x use count | |
| 289 lbsr HexByte print it | |
| 290 ldx <outptr | |
| 291 leax -1,x | |
| 292 bra L01E8 | |
| 293 | |
| 294 PrintBuf ldx <outptr | |
| 295 L01E8 lda #C$CR save a CR in memory | |
| 296 sta ,x | |
| 297 ldu <memstrt | |
| 298 leax <lnbuff,u to the buffer | |
| 299 ldy #80 80 characters max. | |
| 300 lda #1 | |
| 301 os9 I$WritLn dump the buffer out | |
| 302 lbcs Exit | |
| 303 rts | |
| 304 | |
| 305 * Entry: | |
| 306 * A = number of bytes to write buffer | |
| 307 * X = ptr to string to write to buffer | |
| 308 Str2Buf sta <numbytes dump out A bytes at X | |
| 309 clrb | |
| 310 bra L0207 | |
| 311 | |
| 312 L0204 lbsr Put2Buf | |
| 313 L0207 incb increment B | |
| 314 cmpb <numbytes equal to number of bytes? | |
| 315 bcc NSpaces branch if so | |
| 316 lda ,x+ else get byte at X | |
| 317 bpl L0204 branch if hi bit clear | |
| 318 anda #$7F else clear it | |
| 319 lbsr Put2Buf dump it out | |
| 320 cmpb <numbytes compare against num bytes | |
| 321 bcc L0221 branch if equal | |
| 322 | |
| 323 * Fill the rest with spaces | |
| 324 NSpaces lbsr Space | |
| 325 incb | |
| 326 cmpb <numbytes | |
| 327 bcs NSpaces | |
| 328 L0221 rts | |
| 329 | |
| 330 HexWord pshs b | |
| 331 bsr MakeHex | |
| 332 puls a | |
| 333 HexByte bsr MakeHex | |
| 334 Space lda #C$SPAC output a space | |
| 335 bra Put2Buf | |
| 336 | |
| 337 MakeHex tfr a,b | |
| 338 lsra | |
| 339 lsra | |
| 340 lsra | |
| 341 lsra | |
| 342 bsr L0238 | |
| 343 tfr b,a | |
| 344 L0238 anda #$0F get the number | |
| 345 cmpa #$0A >10? | |
| 346 bcs L0240 no, make it a number | |
| 347 adda #$07 if so, make it A-F | |
| 348 L0240 adda #$30 | |
| 349 * Entry: A = char to put in buffer | |
| 350 Put2Buf pshs x save X | |
| 351 ldx <outptr get buffer pointer | |
| 352 sta ,x+ store char and in X | |
| 353 stx <outptr save new outptr | |
| 354 puls pc,x and return | |
| 355 | |
| 356 Help lda #1 to STDOUT | |
| 357 leax HMsg,pcr | |
| 358 ldy #HLen | |
| 359 os9 I$Write | |
| 360 clrb | |
| 361 os9 F$Exit | |
| 362 | |
| 363 HMsg fcc /devs: show devices in device table/ | |
| 364 fdb C$CR,C$LF | |
| 365 HLen equ *-HMsg | |
| 366 | |
| 367 emod | |
| 368 eom equ * | |
| 369 end |