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https://github.com/SEPPDROID/Digital-Research-Source-Code.git
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111 lines
4.6 KiB
Plaintext
111 lines
4.6 KiB
Plaintext
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/*
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System Data: byte assignments
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-----------------------------
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000-000 Mem$top, top page of memory
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001-001 Nmb$cns, number of consoles
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002-002 Brkpt$RST, breakpoint RST #
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003-003 Add system call user stacks, boolean
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004-004 Bank switched, boolean
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005-005 Z80 version, boolean
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006-006 banked bdos, boolean
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007-007 RESBDOS top+1 (BNKBDOS XIOS jmp tbl) base page
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008-008 RESBDOS base page
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009-010 used by CP/NET for mstr cfg tbl addr
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011-011 XDOS base page
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012-012 RSP's (BNKXIOS top+1) base page
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013-013 BNKXIOS base page
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014-014 BNKBDOS base page
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015-015 Max$mem$seg, max memory segment number
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016-047 Memory segment table, filled in by GENSYS if
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memory bank switched, otherwise by MPMLDR
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048-063 Breakpoint vector table, filled in by DDTs
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064-079 Unassigned
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080-095 System call user stacks
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096-119 Unassigned
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120-121 Nmb records in MPM.SYS
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122-122 # ticks/sec
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123-123 System Drive
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124-124 Common Memory Base Page
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125-125 Number of Rsp's
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126-127 Listcp Address
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128-143 Subflg, submit flag array
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144-180 Copyright message
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181-186 Serial #
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187-187 Max locked records/process
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188-188 Max open files/process
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189-190 # list items
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191-192 Pointer to base of lock table free space
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193-193 Total system locked records
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194-194 Total system open files
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195-195 Dayfile logging
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196-196 Temporary file drive
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197-197 Number of printers
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198-240 Unassigned
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241-241 Common Xdos base
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242-242 Banked Xdos base
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243-243 Tmp pd base
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244-244 Console dat base
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245-246 Bdos/Xdos address
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247-247 Tmp base address
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248-248 Nmbrsps
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249-249 Brsp base address
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250-251 Brspl, non-resident rsp process link
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252-253 Sysdatadr, MP/M data page address
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254-255 Rspl, resident system process link, the address
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of the next Rsp, list terminates with a zero.
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*/
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declare mem$top byte at (.system$data(000));
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declare nmb$cns byte at (.system$data(001));
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declare brkpt$RST byte at (.system$data(002));
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declare sys$call$stks boolean at (.system$data(003));
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declare bank$switched boolean at (.system$data(004));
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declare z80$cpu boolean at (.system$data(005));
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declare banked$bdos boolean at (.system$data(006));
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declare xios$jmp$tbl$base byte at (.system$data(007));
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declare resbdos$base byte at (.system$data(008));
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declare xdos$base byte at (.system$data(011));
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declare rsp$base byte at (.system$data(012));
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declare bnkxios$base byte at (.system$data(13));
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declare bnkbdos$base byte at (.system$data(14));
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declare nmb$mem$seg byte at (.system$data(015));
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declare mem$seg$tbl (8) structure (
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base byte,
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size byte,
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attrib byte,
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bank byte )
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at (.system$data(016));
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declare breakpoint$vector (8) address at (.system$data(048));
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declare user$stacks (8) address at (.system$data(080));
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declare nmb$records address at (.system$data(120));
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declare ticks$per$second byte at (.system$data(122));
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declare system$drive byte at (.system$data(123));
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declare common$base byte at (.system$data(124));
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declare nmb$rsps byte at (.system$data(125));
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declare listcpadr address at (.system$data(126));
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declare submit$flags (16) address at (.system$data(128));
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/*declare copyright (37) byte at (.system$data(144));*/
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/*declare serial$number (6) byte at (.system$data(181));*/
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declare max$locked$records byte at (.system$data(187));
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declare max$open$files byte at (.system$data(188));
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declare total$list$items address at (.system$data(189));
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declare lock$free$space$adr address at (.system$data(191));
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declare total$system$locked$records byte at (.system$data(193));
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declare total$system$open$files byte at (.system$data(194));
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declare day$file byte at (.system$data(195));
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declare temp$file$drive byte at (.system$data(196));
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declare nmb$printers byte at (.system$data(197));
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declare cmnxdos$base byte at (.system$data(241));
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declare bnkxdos$base byte at (.system$data(242));
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declare tmpd$base byte at (.system$data(243));
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declare console$dat$base byte at (.system$data(244));
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declare bdos$xdos$adr address at (.system$data(245));
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declare tmp$base byte at (.system$data(247));
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declare nmb$brsps byte at (.system$data(248));
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declare brsp$base byte at (.system$data(249));
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declare brspl address at (.system$data(250));
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declare rspl address at (.system$data(254));
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