view defs/cciodefs @ 1652:558cab468052

RG fixed a bug in the Vavasour emulator clock2 module. clock2 is now of type Sbrtn instead of Systm. clock.asm has been modified to link to this type.
author boisy
date Sat, 17 Jul 2004 12:20:31 +0000
parents d87e5e9b4f1b
children 83453a4c9e51
line wrap: on
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         IFNE   CCIODEFS-1
CCIODEFS set    1

********************************************************************
* CCIODefs - CCIO Driver Definitions
*
* $Id$
*
* Edt/Rev  YYYY/MM/DD  Modified by
* Comment
* ------------------------------------------------------------------


         nam    CCIODefs
         ttl    CCIO Driver Definitions

         pag

         org   V.SCF
V.ScrnA  rmb   2  (2) screen start address in system memory
V.ScrnE  rmb   2  (2) address of end of screen
V.CrsrA  rmb   1  (2) cursor address
V.CrsAL  rmb   1  cursor address low
V.CChar  rmb   1  value of character under cursor
V.Mode   rmb   1  mode: 0=256x192 x2, 1=128x192 x4
V.NGChr  rmb   1  number of additional characters to get
V.RTAdd  rmb   2  (2) return address after getting characters
V.NChar  rmb   1  character to process
V.NChr2  rmb   1  and the next one
         rmb   1
V.Chr1   rmb   1  same as under cursor character
V.CColr  rmb   1  cursor color
V.Col    rmb   1  number of columns for this screen
V.Row    rmb   1  number of rows
V.Alpha  rmb   1  0 when in alpha mode
V.PIA1   rmb   1  PIA1Base value
V.Rdy    rmb   1  device ready (see SS.DStat 0=not ready)
V.CFlg1  rmb   1  VDG display code values
V.SBAdd  rmb   2  (2) address of block screen is in
V.GBuff  rmb   2  allocation for graphics buffers (block#)
V.AGBuf  rmb   4  (2) additional graphics buffer
V.FFMem  rmb   2  Flood fill alloc'ed mem
V.FFSPt  rmb   2  Flood fill current stack pointer
V.FFSTp  rmb   1  Flood fill stack top
V.FF6    rmb   1   flood fill flag
V.FFFlag rmb   1  ??
V.MTabl  rmb   2  (2) address of mask table for pixels in byte
V.PixBt  rmb   1  bit mask for modes (0=$07, 1=$03 )#pixels/byte
V.GCrsX  rmb   1  graphics cursor X value
V.GCrsY  rmb   1  graphics cursor Y
V.Msk1   rmb   1  mask byte 1
V.Msk2   rmb   1  mask byte 2 (00,55,AA,FF)
V.MCol   rmb   1  color? (C003,8001)
V.4A     rmb   1
V.PMask  rmb   1  pixel mask for colors (i.e. $55, $CC etc)
V.4C     rmb   1
V.4D     rmb   1
V.4E     rmb   1
V.4F     rmb   1
V.Caps   rmb   1  caps lock info: $00=lower $FF=upper
V.ClkCnt rmb   1  clock count ??
V.WrChr  rmb   1  character to write
V.CurCo  rmb   1  current CO-module in use
* start of CO80-specific static memory
V.54     rmb   1
V.55     rmb   1
V.56     rmb   1
V.57     rmb   1
V.C80X   rmb   1	CO80 X position
V.C80Y   rmb   1	CO80 Y position
V.5A     rmb   1
* end of CO80-specific static memory
V.DspVct rmb   2	vector to display screen
V.CnvVct rmb   2	vector to X/Y to address conversion
V.LKeyCd rmb   1	last key code
V.2Key1  rmb   1	2nd Key 1
V.2Key2  rmb   1	2nd Key 2
V.2Key3  rmb   1	2nd Key 3
V.Key1   rmb   1	Key 1
V.Key2   rmb   1	Key 2
V.Key3   rmb   1	Key 3
V.ShftDn rmb   1	SHIFT/CTRL state
V.CtrlDn rmb   1	CTRL key down
V.KeyFlg rmb   1	key flag
V.AltDwn rmb   1	ALT key down
V.KySns  rmb   1	key sense flags
V.KySame rmb   1	key same as last flag
V.KySnsF rmb   1	key sense flag
V.Spcl   rmb   1
V.KTblLC rmb   1	key table entry #
V.6F     rmb   1	???
V.COLoad rmb   1	CO-module loaded flags
V.CFlag  rmb   1  true lowercase flag $10=true, $00=false
V.GRFOE  rmb   2  GRFO entry point
V.CO32E  rmb   2  CO32 entry point
V.CO80E  rmb   2  CO80 entry point
V.IBufH  rmb   1  input buffer head
V.IBufT  rmb   1  input buffer tail
V.InBuf  rmb   1  input buffer tail
         rmb   250-.
V.Last   equ   .


*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.MCol2 rmb   1  color
*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!

         ENDC