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MSXBIOS
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DISSCR ( -- ): disable screen -
ENASCR ( -- ): enable screen -
CHGCLR ( S -- ) -
VDPREG! ( n reg -- ): reads a VDP register -
VRAM@ ( vaddr -- b ): read a byte from VRAM -
VRAM! ( b vaddr -- ): write a byte to VRAM -
VDP@@ ( addr -- ) -
VDP!! ( addr -- ) -
VRAMFILL ( vaddr len char -- ): fills VRAM with a constant -
CHGCAP ( f -- ) -
SETTXT ( -- ) -
SETT32 ( -- ) -
SETGRP ( -- ) -
SETMLT ( -- ) -
INITXT ( S -- ) -
INIT32 ( S -- ) -
INIGRP ( S -- ) -
INIMLT ( S -- ) -
CHGMOD ( n -- ) -
NMI ( -- ) -
CLRSPR ( -- ) -
CALPAT ( n -- addr ) -
CALATR ( n -- addr ) -
>VRAM ( from-addr to-vaddr len -- ) -
VRAM> ( from-vaddr to-addr len -- ) -
CHGET ( -- char ) -
BIOS-C@ ( addr -- b ): reads a byte from BIOS -
BIOS60HZ ( -- f): test if BIOS indicates a 60Hz machine -
BIOS50HZ ( -- f): test if BIOS indicates a 50Hz machine -
delayjiffy ( u -- ): delays using jiffy counter -
SCREEN0 ( -- ) -
SCREEN0/80 ( -- ) -
SCREEN0/40 ( -- ) -
POSIT ( row col -- ) -
CURSOR ( f -- ): show (true) or hide (false) the cursor -
cursor ( f -- ): show (true) or hide (false) the cursor -
CHPUT ( ch -- ) -
RDSLT ( slot addr -- b ) -
WRSLT ( slot addr b -- ) -
SLOTID ( primary expanded -- slotid): generate a slotid identifier as required by some BIOS functions
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ATRBYT! ( c --): write byte into variable ATRBYT (0xF3F2) -
ATRBYT@ ( -- c): read byte from variable ATRBYT (0xF3F2) -
GXPOS! ( u --): write word into variable GXPOS (0xFCB3) -
GXPOS@ ( -- u): read word from variable GXPOS (0xFCB3) -
GYPOS! ( u --): write word into variable GYPOS (0xFCB5) -
GYPOS@ ( -- u): read word from variable GYPOS (0xFCB5) -
SETC ( -- ): set attribute of current pixel (color code is from variable ATRBYT) -
MAPXYC ( x y --): convert a graphics coordinate pair into the current pixel physical address
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#CSRY -
#CSRX -
#FORCLR -
#BAKCLR -
#BDRCLR -
#CSRY: 1 byte, Y-coordinate of cursor -
#CSRX: 1 byte, X-coordinate of cursor -
#TXTNAM: SCREEN 0 name table -
#TXTCOL: SCREEN 0 color table -
#TXTCGP: SCREEN 0 character pattern table -
#TXTATR: SCREEN 0 sprite attribute table -
#TXTPAT: SCREEN 0 sprite pattern table -
#T32NAM: SCREEN 1 name table -
#T32COL: SCREEN 1 color table -
#T32CGP: SCREEN 1 character pattern table -
#T32ATR: SCREEN 1 sprite attribute table -
#T32PAT: SCREEN 1 sprite pattern table -
#GRPNAM: SCREEN 2 name table -
#GRPCOL: SCREEN 2 color table -
#GRPCGP: SCREEN 2 character pattern table -
#GRPATR: SCREEN 2 sprite attribute table -
#GRPPAT: SCREEN 2 sprite pattern table -
#MLTNAM: SCREEN 3 name table -
#MLTCOL: SCREEN 3 color table -
#MLTCGP: SCREEN 3 character pattern table -
#MLTATR: SCREEN 3 sprite attribute table -
#MLTPAT: SCREEN 3 sprite pattern table
Internal words (DO NOT USE THEM directly)
(DISSCR)(ENASCR)(WRTVDP)(RDVRM)(WRTVRM)(SETRD)(SETWRT)(FILVRM)(LDIRMV)(LDIRVM)(CHGMOD)(CHGCLR)(NMI)(CLRSPR)(INITXT)(INIT32)(INIGRP)(INIMLT)(SETTXT)(SETT32)(SETGRP)(SETMLT)(CALPAT)(CALATR)(GSPSIZ)(GRPPRT)(CHGCAP)(CHGET)(POSIT)(CHPUT)(RDSLT)(WRSLT)