; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
;
; VIDATT.ASM
;
; source code for default VIDATT for OSBORNE-1
;
;label	address	opcode	operands	 comments
;
VIDATT	m03C1	lxi	H,vbrite
	m03C4	mov	A,C		;Get Video Attribute byte in A
	m03C5	ani	10110101b	;test BRITE-modified Attributes
					;default B5h = 10110101b
					;1 Italics/Color
					;0 Bold
					;1 Superscript 
					;1 Subscript
					;0 Underline
					;1 Marked Block
					;0 Warning & Error Message
					;1 Strike Out
	m03C7	jz	03D4		;if no attributes jump TEST2
	m03CA	lda	BRITE
	m03CD	ora	A
	m03CE	jz	STRING
	m03D1	jmp	03DA		;jump NORMAL
TEST2	m03D4	mov	A,C		;Get Video Attribute byte in A
	m03D5	ani	01000010b	;test Attributes
					;default 42h = 01000010b
					;0 Italics/Color
					;1 Bold
					;0 Superscript 
					;0 Subscript
					;0 Underline
					;0 Marked Block
					;1 Warning & Error Message
					;0 Strike Out
	m03D7	jnz	STRING
NORMAL	m03DA	lxi	H,vdim
	m03DD	jmp	STRING
vbrite	m03E0	db	2,esc,'('
vdim	m03E3	db	2,esc,')'

BRITE	m0441	db	0
;
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -