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