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I shall not attempt to describe the mechanics of instructing truetype, if you want to understand it I refer you to the above links. (Microsoft has a similar set in but they are in word format).
This dialog shows the instructions associated with a glyph or truetype table (like fpgm or prep). If you move your mouse cursor over one of the instructions a brief help message will pop up describing that instruction. If you press the [Edit] button the dlg will change and you will be presented with a editable textarea containing the same instructions. You may modify these to your heart's content. Pressing the [Parse] will parse your modifications and (if they parse) return you to the "help" mode.
Instructions like MIRP may be entered either in PfaEdit's peculiar (but
marginally more mnemonic) style: MIRP[rnd,white]
or as
MIRP[00110]
, and PUSHB_1
may be
PUSHB[000]
.
You may also include an stack arguments on the same line as the instruction and PfaEdit will convert them into the appropriate pushes. So...
5 SRP0
is equivalent to
PUSHB_1 5 SRP0
You may also use the expression cvt(<val>)
instead of
a number. This will be replaced by the index in the 'cvt ' table of an entry
which is (within one em-unit of) <val>. So cvt(100)
would
return the index in 'cvt ' of 100.