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Command line parsing and MACRO-20

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In MACRO-20, how do I get at the command line? I know it's possible
because DIRECT and TYPE parse the command line. I've completed one of
the two texts on assembly (the Longo one) and I haven't seen how to do
it. In the Gorin text, there's something about COMND but it's buried
under piles of macros. The explaination for COMND in the Monitor Ref
Call Manual made me physically ill (it's over 20 pages, give or
take). Maybe that's how to do it; maybe it's not. It can't believe it's
that insanely complex. I only need to parse what would be *argv[] in C
(and maybe argc). I don't want to head down a rabbit hole if there's no
rabbit to be found.

Can someone show a simple example of parsing the command line? Something
like:

@echo hello
hello

echo.mac:
comment $
Try to find out how to get at the command line, such as in C's argv and argc.
$
        title	echo
        search	monsym, macsym
        STDAC.					; Label accums in std way

buffer:	asciz	/This is where I imagine the text would be./

start:	TMSG	(The text entered is: )		
	move	t1, [point 7, buffer]		; Would really pnt to cmd line
	psout%					; for manipulation or printing

done:	haltf%					; Exit to monitor
	jrst	start				; Restartable
	end	start				; Assembler is done


I checked with DDT and my command line text is nowhere in there.

@debug echo hello
LINK:   Loading
[LNKDEB DDT execution]
DDT
echo$:   
start$b   $g
$1B>>START/   HRROI T1,DONE+2   ^
BUFFER+10/   TLZA Q3,0   $t;e.   ^
BUFFER+7/   uld b   ^
BUFFER+6/   xt wo   ^
BUFFER+5/   he te   ^
BUFFER+4/   ine t   ^
BUFFER+3/    imag   ^
BUFFER+2/   ere I   ^
BUFFER+1/   is wh   ^
BUFFER/   This    ^
.JBVER/   ^@   ^
.JBCST/   ^@   ^
.JBOPS/   ^@   ^
.JBINT/   ^@   ^
.JBCOR/   ^@^S0^A@   ^
.JBCHN+1/   ^@   ^
.JBCHN/   ^@   ^
.JBOPC/   ^@   ^
.JBTPC/   ^@   ^
.JBCNI/   ^@   ^
.JBAPR/   ^@   ^
.JBREN/   ^@   ^
.JBPFH/   ^@   ^
.JBFF+1/   ^@   ^
.JBFF/   ^@^@^@^A$@   ^
.JBSA/   ^@^S8^@4@   ^
.JBUSY/   ^@   ^
.JBSYM/   wp^@Z@   ^
.JBHRL/   ^@   ^
.JBEDV+2/   ^@   ^
.JBEDV+1/   ^@   ^
.JBEDV/   ^@   ^

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Command line parsing and MACRO-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-08-28 14:08 -0400
  Re: Command line parsing and MACRO-20 scott@slp53.sl.home (Scott Lurndal) - 2026-08-28 18:35 +0000
    Re: Command line parsing and MACRO-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-08-29 12:19 -0400
      Re: Command line parsing and MACRO-20 Rich Alderson <news@alderson.users.panix.com> - 2026-08-29 17:51 -0400
  Re: Command line parsing and MACRO-20 Rich Alderson <news@alderson.users.panix.com> - 2026-08-28 20:59 -0400
    Re: Command line parsing and MACRO-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-08-29 12:37 -0400
      Re: Command line parsing and MACRO-20 Rich Alderson <news@alderson.users.panix.com> - 2026-08-29 18:04 -0400
        Re: Command line parsing and MACRO-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-08-30 11:38 -0400
          Re: Command line parsing and MACRO-20 Rich Alderson <news@alderson.users.panix.com> - 2026-08-30 22:18 -0400

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