Mercurial > hg > Members > kono > nitros9-code
annotate defs/rbsuper.d @ 3277:33d539c123cf
d64: Add mb.ddisk script for making Dragon boot floppy
At least it works in XRoar when running off a 80d floppy
and preparing a new 40d boot floppy in the second drive.
The "format" must be run manually for now since there is
not enough memory to run it from inside the script...
| author | Tormod Volden <debian.tormod@gmail.com> |
|---|---|
| date | Sat, 07 Mar 2020 23:15:05 +0100 |
| parents | 6bd6e348665d |
| children |
| rev | line source |
|---|---|
| 2624 | 1 IFNE RBSUPER.D-1 |
| 2 RBSUPER.D SET 1 | |
| 3 | |
| 2590 | 4 ******************************************************************** |
| 5 * rbsuper.d - rbsuper definitions | |
| 6 * | |
| 7 * $Id$ | |
| 8 * | |
| 9 * (C) 2004 Boisy G. Pitre - Licensed to Cloud-9 | |
| 10 * | |
| 11 * These definitions make up the static storage environment for the | |
| 12 * rbsuper driver. Low level drivers share these variables with | |
| 13 * rbsuper, and also have an area reserved exclusively for their use. | |
| 14 * | |
| 15 * Edt/Rev YYYY/MM/DD Modified by | |
| 16 * Comment | |
| 17 * ------------------------------------------------------------------ | |
| 18 * 2004/04/10 Boisy G. Pitre | |
| 19 * Created. | |
| 20 * | |
| 21 * 2005/11/27 Boisy G. Pitre | |
| 22 * Moved SCSI base addresses and I/O offsets to here. | |
| 23 * | |
| 24 * 2005/12/13 Boisy G. Pitre | |
| 25 * Employed a "trick" whereby driver's U is pointed UOFFSET bytes | |
| 26 * into the static storage for faster, smaller code generation. | |
| 27 * | |
| 28 * 2005/12/13 Boisy G. Pitre | |
| 29 * Rearranged order of driver statics for smaller code size | |
| 30 | |
| 31 * Interface Address | |
| 32 SDAddr SET $FF00 | |
| 33 SDMPI SET $FF | |
| 34 | |
| 35 * | |
| 36 * IT.DNS Definitions for all Low Level Drivers | |
| 37 * | |
| 38 DNS.HDB EQU %00001000 | |
| 39 | |
| 40 * | |
| 41 * IT.DNS Definitions for Low Level SCSI Driver | |
| 42 * | |
| 43 DNS.TURBO EQU %00010000 | |
| 44 | |
| 45 maxcache SET 2048 | |
| 46 DrvCount EQU 8 | |
| 47 llreserve EQU 64 | |
| 48 | |
| 49 UOFFSET EQU DRVBEG+(DRVMEM*DrvCount) | |
| 50 | |
| 51 ORG 0 | |
| 52 V.LLSema RMB 1 low-level semaphore variable | |
| 53 V.LastDrv RMB 1 last drive to access cache | |
| 54 V.PhysSect RMB 3 physical (HW) sector | |
| 55 V.LogSect RMB 3 logical (256 byte) sector | |
| 56 V.SectSize RMB 1 sector size | |
| 57 V.SectCnt RMB 1 number of hw sectors to read from interface | |
| 58 V.Log2Phys RMB 1 number of logical (256) byte sectors to 1 physical sector | |
| 59 V.CchAddr RMB 2 address of cache in system memory | |
| 60 V.CchSize RMB 2 size of cache in bytes | |
| 61 V.CchPSpot RMB 2 pointer to target physical sector in cache | |
| 62 V.CchLSpot RMB 2 pointer to target logical sector in cache | |
| 63 V.CchDirty RMB 1 cache dirty flag (0 = cache is stable, !0 = cache is dirty) | |
| 64 V.CchBase RMB 3 logical sector at start of cache | |
| 65 V.HDBDrive RMB 1 IT.STP (used as HDB-DOS drive number if HDB-DOS partition) | |
| 66 V.HDBPart RMB 1 HDB-DOS partition flag (0 = not HDB-DOS partition, !0 = is) | |
| 67 V.SSCache RMB DrvCount sector size cache table for each drive | |
| 68 V.LLAddr RMB 2 low level module address | |
| 69 V.LLInit RMB 2 low level init entry point | |
| 70 V.LLRead RMB 2 low level read entry point | |
| 71 V.LLWrite RMB 2 low level write entry point | |
| 72 V.LLGtSt RMB 2 low level getstat entry point | |
| 73 V.LLStSt RMB 2 low level setstat entry point | |
| 74 V.LLTerm RMB 2 low level term entry point | |
| 75 * Low Level Driver Memory starts here | |
| 76 V.LLMem EQU . start of low level driver memory | |
| 77 RMB llreserve reserved area... low level driver uses this as it wants | |
| 78 V.LLMemSz EQU .-V.LLMem | |
|
2730
6bd6e348665d
Working on cloned default branch, pulled 2012/11/03
gheskett@wdtv.com
parents:
2624
diff
changeset
|
79 * Note: we trick rbsuper too so that it thinks its static storage starts at |
| 2590 | 80 * zero when it really starts beyond DRVBEG+(DRVMEM*DrvCount). |
| 81 RMB UOFFSET | |
| 82 V.RBSuper EQU . end of RBSuper's (and ll driver's) memory requirements | |
| 2624 | 83 |
| 84 ENDC | |
| 85 |