8080_as.1 845 B

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  1. .\" $Header$
  2. .TH 8080_AS 1
  3. .ad
  4. .SH NAME
  5. 8080_as \- assembler for Intel 8080 and 8085
  6. .SH SYNOPSIS
  7. /usr/em/lib/8080_as [options] argument ...
  8. .SH DESCRIPTION
  9. This assembler is made with the general framework
  10. described in \fIuni_ass\fP(6).
  11. .SH SYNTAX
  12. .IP registers
  13. The 8080 has seven one-byte registers: a, b, c, d, e, h, l;
  14. and two two-byte registers: sp and psw, respectively the stack pointer
  15. and the processor status word.
  16. .IP "addressing modes"
  17. .nf
  18. .ta 8 16 24 32 40 48
  19. syntax meaning
  20. expr one- or two-byte address or immediate
  21. data, depending on the instruction.
  22. a,b,c,d,e,h,l
  23. sp,psw (lower byte) of register
  24. b,d,h register-pair b-c, d-e, or h-l
  25. m register-pair h-l is address of
  26. (one or two byte) operand
  27. .fi
  28. .SH "SEE ALSO"
  29. uni_ass(1),
  30. ack(1),
  31. .br
  32. System 80/20-4 microcomputer hardware reference manual, 1978 Intel corporation