| 1 | GEMDOS Functions
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| 2 | ----------------
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| 3 |
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| 4 | 0x12 WORD Cauxis() Check status of standard AUX: input
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| 5 | 0x03 WORD Cauxin() Read character from standard AUX: input
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| 6 |
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| 7 | 0x13 WORD Cauxos() Check status of standard AUX: output
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| 8 | 0x04 void Cauxout(c) Write character to standard AUX: output
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| 9 |
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| 10 | 0x0B WORD Cconis() Check status of standard input
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| 11 | 0x01 LONG Cconin() Read character from standard input
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| 12 | 0x08 LONG Cnecin() Read character from standard input, no echo
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| 13 | 0x07 LONG Crawcin() Raw input from standard input
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| 14 | 0x0A void Cconrs(buf) Read edited string from standard input
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| 15 |
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| 16 | 0x10 WORD Cconos() Check status of standard output
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| 17 | 0x02 void Cconout(c) Write character to standard output
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| 18 | 0x09 void Cconws(str) Write string to standard output
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| 19 |
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| 20 | 0x06 LONG Crawio(w) Raw I/O to standard input/output
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| 21 |
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| 22 | 0x11 WORD Cprnos() Check status of standard PRN:
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| 23 | 0x05 void Cprnout(c) Write character to standard PRN:
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| 24 |
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| 25 | 0x19 WORD Dgetdrv() Get default drive
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| 26 | 0x0E LONG Dsetdrv(drv) Set default drive
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| 27 | 0x36 void Dfree(buf, drv) Get drive free space
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| 28 |
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| 29 | 0x47 void Dgetpath(buf, drv) Get current directory
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| 30 | 0x3B WORD Dsetpath(path) Set current directory
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| 31 | 0x39 WORD Dcreate(pathname) Create directory
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| 32 | 0x3A WORD Ddelete(pathname) Delete directory
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| 33 | 0x43 WORD Fattrib(fname, wf, atr) Get / set file attributes
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| 34 | 0x57 void Fdatime(handle, time, wf) Get / set file timestamp
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| 35 |
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| 36 | 0x3C WORD Fcreate(fname, atr) Create file
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| 37 | 0x41 WORD Fdelete(fname) Delete file
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| 38 | 0x3D WORD Fopen(fname, mode) Open file
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| 39 | 0x3E WORD Fclose(handle) Close file
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| 40 | 0x56 WORD Frename(0, old, new) Rename file
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| 41 |
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| 42 | 0x45 WORD Fdup(handle) Duplicate file handle
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| 43 | 0x46 WORD Fforce(stdh, nostdh) Force file handle
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| 44 |
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| 45 | 0x2F LONG Fgetdta() Get disk transfer address
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| 46 | 0x1A void Fsetdta(addr) Set disk transfer address
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| 47 | 0x4E WORD Fsfirst(fspec, atr) Search first
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| 48 | 0x4F WORD Fsnext() Search next
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| 49 |
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| 50 | 0x42 LONG Fseek(offset, handle, mode) Seek file pointer
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| 51 | 0x3F LONG Fread(handle, count, buffer) Read from file
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| 52 | 0x40 LONG Fwrite(handle, count, buffer) Write to file
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| 53 | |
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| 54 |
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| 55 | 0x48 LONG Malloc(amount) Allocate memory
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| 56 | 0x49 WORD Mfree(saddr) Release memory
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| 57 | 0x4A WORD Mshrink(0, block, newsize) Shrink size of allocated block
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| 58 |
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| 59 | 0x4B WORD Pexec(mode, ptr1, ptr2, ptr3) Load / execute process
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| 60 | 0x4C void Pterm(retcode) Terminate process with specified exit code
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| 61 | 0x00 void Pterm0() Terminate process with exit code of 0
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| 62 | 0x31 void Ptermres(keepcnt, retcode) Terminate and stay resident
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| 63 |
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| 64 | 0x20 LONG Super(stack) Get / set / inquire supervisor mode
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| 65 |
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| 66 | 0x30 WORD Sversion() Get version number
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| 67 |
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| 68 | 0x2A WORD Tgetdate() Get date
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| 69 | 0x2B WORD Tsetdate(date) Set date
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| 70 |
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| 71 | 0x2C WORD Tgettime() Get time
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| 72 | 0x2D WORD Tsettime() Set time
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| 73 | |
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| 74 |
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| 75 | BIOS Error Codes (-1 .. -31)
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| 76 | -----------------------------
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| 77 |
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| 78 | E_OK 0 No error
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| 79 |
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| 80 | ERROR -1 Error
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| 81 | EDRVNR -2 Drive not ready
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| 82 | EUNCMD -3 Unknown command
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| 83 | E_CRC -4 CRC error
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| 84 | EBADRQ -5 Bad request
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| 85 | E_SEEK -6 Seek error
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| 86 | EMEDIA -7 Unknown media
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| 87 | ESECNF -8 Sector not found
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| 88 | EPAPER -9 Out of paper
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| 89 | EWRITF -10 Write fault
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| 90 | EREADF -11 Read fault
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| 91 | -12 -unused-
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| 92 | EWRPRO -13 Write protect error
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| 93 | E_CHNG -14 Media change detected
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| 94 | EUNDEV -15 Unknown device
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| 95 | EBADSF -16 Bad sectors on format
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| 96 | EOTHER -17 Insert other disk (request)
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| 97 |
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| 98 | GEMDOS Error Codes (-32 .. -127)
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| 99 | ---------------------------------
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| 100 |
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| 101 | EINVFN -32 Invalid function number
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| 102 | EFILNF -33 File not found
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| 103 | EPTHNF -34 Path not found
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| 104 | ENHNDL -35 Handle pool exhausted
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| 105 | EACCDN -36 Access denied
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| 106 | EIHNDL -37 Invalid handle
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| 107 |
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| 108 | ENSMEM -39 Insufficient memory
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| 109 | EIMBA -40 Invalid memory block address
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| 110 |
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| 111 | EDRIVE -46 Invalid drive specification
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| 112 | ENMFIL -47 No more files
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| 113 |
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| 114 | ERANGE -64 Range error
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| 115 | EINTRN -65 GEMDOS internal error
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| 116 | EPLFMT -66 Invalid executable file format
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| 117 | EGSBF -67 Memory block growth failure
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| 118 | |
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| 119 |
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| 120 | GEMDOS Date Format
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| 121 | ------------------
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| 122 |
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| 123 | 15:9 years since 1980
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| 124 | 8:5 month (1..12)
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| 125 | 4:0 day (1..31)
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| 126 |
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| 127 | GEMDOS Time Format
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| 128 | ------------------
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| 129 |
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| 130 | 15:11 hour (0..23)
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| 131 | 10:5 minute (0..59)
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| 132 | 4..0 second / 2 (0..29)
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| 133 |
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| 134 | GEMDOS Drive Free Space Format
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| 135 | ------------------------------
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| 136 |
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| 137 | +0 number of free clusters
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| 138 | +4 total number of clusters
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| 139 | +8 sector size (in bytes)
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| 140 | +12 cluster size (in sectors)
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| 141 |
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| 142 | GEMDOS File Attributes
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| 143 | ----------------------
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| 144 |
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| 145 | 0x01 read only
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| 146 | 0x02 hidden
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| 147 | 0x04 system
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| 148 | 0x08 volume label
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| 149 | 0x10 subdirectory
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| 150 | 0x20 archive
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| 151 |
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| 152 | GEMDOS File Search DTA Format
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| 153 | -----------------------------
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| 154 |
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| 155 | +0 .. +20 BYTE reserved
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| 156 | +21 BYTE attribute byte
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| 157 | +22 .. +23 WORD time stamp
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| 158 | +24 .. +25 WORD date stamp
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| 159 | +26 .. +29 LONG file size
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| 160 | +30 .. +43 BYTE file name + extension (null terminated)
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| 161 | |
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| 162 |
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| 163 | GEMDOS File Open Modes
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| 164 | ----------------------
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| 165 |
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| 166 | 0 read only
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| 167 | 1 write only
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| 168 | 2 read / write
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| 169 |
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| 170 | GEMDOS Seek Modes
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| 171 | -----------------
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| 172 |
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| 173 | 0 from beginning of file
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| 174 | 1 from current position
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| 175 | 2 from end of file
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