8080_as.1 851 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 8n 16n 24n 32n 40n 48n
  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