SKIPPRIMITIVES	=  0			; set to 1 to skip unwound drawing


SCREEN  =       0a0000h
SCREENWIDTH     =   320
SCREENHEIGHT	=	200
PLANEWIDTH		=	80
PLANESIZE		=	80*200

PEL_WRITE_ADR	=	03c8h
PEL_DATA		=	03c9h

SC_INDEX		=	03C4h
SC_MAPMASK		=	2

OP_RET		=	0c3h
OP_MOVAL	= 	08ah
OP_MOVDEST	= 	088h


	.DATA

EXTRN	_dc_colormap:DWORD
EXTRN	_dc_x:DWORD
EXTRN	_dc_yl:DWORD
EXTRN	_dc_yh:DWORD
EXTRN	_dc_iscale:DWORD
EXTRN	_dc_texturemid:DWORD
EXTRN	_dc_source:DWORD

EXTRN	_ylookup:DWORD
EXTRN	_columnofs:DWORD


EXTRN	_ds_y:DWORD
EXTRN	_ds_x1:DWORD
EXTRN	_ds_x2:DWORD
EXTRN	_ds_colormap:DWORD
EXTRN	_ds_xfrac:DWORD
EXTRN	_ds_yfrac:DWORD
EXTRN	_ds_xstep:DWORD
EXTRN	_ds_ystep:DWORD
EXTRN	_ds_source:DWORD

PUSHR	MACRO
	pushad
ENDM

POPR	MACRO
	popad
ENDM