.\" $Id$ .TH 8080_AS 6 "$Revision$" .ad .SH NAME 8080_as \- assembler for Intel 8080 and 8085 .SH SYNOPSIS ~em/lib.bin/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