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man/8080_as.6

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+.\" $Header$
+.TH 8080_AS 6ACK
+.ad
+.SH NAME
+8080_as \- assembler for Intel 8080 and 8085
+.SH SYNOPSIS
+~em/lib/8080/as [options] argument ...
+.SH DESCRIPTION
+This assembler is made with the general framework
+described in \fIuni_ass\fP(6). It is an assembler generating relocatable
+object code in \fIack.out\fP(5) format.
+.SH SYNTAX
+.IP registers
+The 8080 has seven one-byte registers: a, b, c, d, e, h, l;
+and two two-byte registers: sp and psw, respectively the stack pointer
+and the processor status word.
+.IP "addressing modes"
+.nf
+.ta 8n 16n 24n 32n 40n 48n
+syntax		meaning
+
+expr		one- or two-byte address or immediate
+		data, depending on the instruction.
+
+a,b,c,d,e,h,l
+sp,psw		(lower byte) of register
+
+b,d,h		register-pair b-c, d-e, or h-l
+
+m		register-pair h-l is address of
+		(one or two byte) operand
+.fi
+.SH "SEE ALSO"
+uni_ass(1),
+ack(1),
+ack.out(5),
+.br
+System 80/20-4 microcomputer hardware reference manual, 1978 Intel corporation