Mercurial > hg > Members > kono > nitros9-code
view defs/vdgdefs @ 2898:28ed72477814 lwtools-port
Dummy merge of default branch into lwtools
hg -y merge --tool=internal:fail default
hg revert --all --no-backup --rev .
hg resolve -a -m
This dummy merge discards any changes from the default branch
so that the result is the same as what lwtools already had.
When merging back to default branch later, the discarded
changes will be discarded there also, so the result
will be that the default branch will contain what
the lwtools branch had before these merges.
Only scripts/burst was "rescued" from default branch.
| author | Tormod Volden <debian.tormod@gmail.com> |
|---|---|
| date | Sat, 11 Jan 2014 18:40:44 +0100 |
| parents | e396d4f24b27 |
| children |
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IFNE VDGDEFS-1 VDGDEFS SET 1 ******************************************************************** * VDGDefs - VDG Interface Definititions * * $Id$ * * Edt/Rev YYYY/MM/DD Modified by * Comment * ------------------------------------------------------------------ * 1991/05/07 Alan DeKok * Wrote original from VDGInt source. NAM VDGDefs TTL VDG Interface Definitions * Notes: * * All offsets from 'U' (address of device memory area) * (see p. 6-9, technical reference: U=start of driver data memory * NOTE: There is LOTS of stuff which is only used once, and some which * is not needed. Here's a list of the un-needed, and un-used (other than * once) * * It would probably be benificial to patch VDGint to fix these problems, * unless anyone else has ideas as to why VDGint is doing things this way. * * Un-needed * VD.EPlt1 - (2) set to VD.NChar, and then read only * VD.EPlt2 - (2) set to same as VD.EPlt1, and then unused * VD.Chr1 - (1) set to same as VD.CChar, and then unused * VD.PlFlg - (1) initialized to $08, and unused * * Un-used * * $1D - (1) end of SCF memory requirements * VD.Strt1 - (2) CLRed, and then read (LDD) - left as $0000 * $24-$2B - (8) * $33-$34 - (2) * $7E-$FF - (130) * * Total of 22 (150 in whole page) bytes unneeded or unused. ORG $1E VD.Start RMB 1 start of VD.XXXX data: number of VDG screens in use VD.Strt1 RMB 2 (2) and another start VD.Caps RMB 2 caps lock info: $00=lower $FF=upper VD.DFlag RMB 1 0=current screen is valid, $01-$FF = update video * $24-$2B unused RMB 8 VD.NGChr RMB 1 number of additional characters to get VD.RTAdd RMB 2 (2) return address after getting characters VD.EPlt1 RMB 2 (2) pointer to where to put next character VD.EPlt2 RMB 2 (2) as above. * $33-$34 unused RMB 2 VD.CFlag RMB 1 true lowercase flag $10=true, $00=false VD.CFlg1 RMB 1 VDG display code values VD.DGBuf RMB 1 number of currently displayed buffer VD.ScrnA RMB 2 (2) screen start address in system memory VD.ScrnE RMB 2 (2) address of end of screen VD.CrsrA RMB 1 (2) cursor address VD.CrsAL RMB 1 cursor address low VD.CChar RMB 1 value of character under cursor VD.Mode RMB 1 mode: 0=256x192 x2, 1=128x192 x4 VD.Chr1 RMB 1 same as under cursor character VD.CColr RMB 1 cursor color VD.Col RMB 1 number of columns for this screen VD.Row RMB 1 number of rows VD.TFlg1 RMB 1 see WRITE ($0E) VD.Alpha RMB 1 0 when in alpha mode VD.Rdy RMB 1 device ready (see SS.DStat 0=not ready) VD.SBAdd RMB 2 (2) address of block screen is in VD.Blk RMB 1 Block number of screen VD.GBuff RMB 1 allocation for graphics buffers (block#) VD.AGBuf RMB 2 (2) additional graphics buffer VD.HiRes RMB 1 hi-res screen table (block value) VD.NBlk RMB 1 number of blocks in this screen VD.SType RMB 1 screen type 0-4 VD.HR2 RMB 3 (3) for screen number 2 VD.HR3 RMB 3 (3) for screen 3 (same 3 bytes as above) VD.FFMem RMB 2 (2) bottom of stack for flood fill VD.FFSPt RMB 2 (2) flood fill stack pointer VD.FFSTp RMB 2 (2) flood fill stack top pointer VD.FF6 RMB 1 flood fill flag VD.MTabl RMB 2 (2) address of mask table for pixels in byte VD.PixBt RMB 1 bit mask for modes (0=$07, 1=$03 )#pixels/byte VD.GCrsX RMB 1 graphics cursor X value VD.GCrsY RMB 1 graphics cursor Y VD.Msk1 RMB 1 mask byte 1 VD.Msk2 RMB 1 mask byte 2 (00,55,AA,FF) VD.MCol RMB 1 color? (C003,8001) VD.MCol2 RMB 1 color VD.PMask RMB 1 pixel mask for colors (i.e. $55, $CC etc) VD.FF1 RMB 1 data for flood fill VD.FF2 RMB 1 data for flood fill VD.FFMsk RMB 1 flood fill mask VD.FFFlg RMB 1 flood fill flag VD.Palet RMB 16 (16) current palette values VD.PlFlg RMB 1 initialized to $08 by L00DB, and then unused! VD.NChar RMB 1 character to process VD.NChr2 RMB 1 and the next one * and RMB until we get 256 bytes reserved ENDC