A"42"
SSSTSSSSSN      | PUSH 32 (address)
SSSTSN          | PUSH 2 (count)
NSTTTTTTN       | JSR > 11111 (spew)
SSSTSSSSSN      | PUSH 32 (address)
NSTTTSSSSN      | JSR > 110000 (atoi)
SNN             | DROP
NSTTTTTSTN      | JSR > 111101 (debug:printsignednumber)

A"+42"
SSSTSSSSSN      | PUSH 32 (address)
SSSTTN          | PUSH 3 (count)
NSTTTTTTN       | JSR > 11111 (spew)
SSSTSSSSSN      | PUSH 32 (address)
NSTTTSSSSN      | JSR > 110000 (atoi)
SNN             | DROP
NSTTTTTSTN      | JSR > 111101 (debug:printsignednumber)

A"-42"
SSSTSSSSSN      | PUSH 32 (address)
SSSTTN          | PUSH 3 (count)
NSTTTTTTN       | JSR > 11111 (spew)
SSSTSSSSSN      | PUSH 32 (address)
NSTTTSSSSN      | JSR > 110000 (atoi)
SNN             | DROP
NSTTTTTSTN      | JSR > 111101 (debug:printsignednumber)

A"+"
SSSTSSSSSN      | PUSH 32 (address)
SSSTN           | PUSH 1 (count)
NSTTTTTTN       | JSR > 11111 (spew)
SSSTSSSSSN      | PUSH 32 (address)
NSTTTSSSSN      | JSR > 110000 (atoi)
SNN             | DROP
NSTTTTTSTN      | JSR > 111101 (debug:printsignednumber)

A"-"
SSSTSSSSSN      | PUSH 32 (address)
SSSTN           | PUSH 1 (count)
NSTTTTTTN       | JSR > 11111 (spew)
SSSTSSSSSN      | PUSH 32 (address)
NSTTTSSSSN      | JSR > 110000 (atoi)
SNN             | DROP
NSTTTTTSTN      | JSR > 111101 (debug:printsignednumber)

A""
SSSTSSSSSN      | PUSH 32 (address)
SSSSN           | PUSH 0 (count)
NSTTTTTTN       | JSR > 11111 (spew)
SSSTSSSSSN      | PUSH 32 (address)
NSTTTSSSSN      | JSR > 110000 (atoi)
SNN             | DROP
NSTTTTTSTN      | JSR > 111101 (debug:printsignednumber)

NNN             | DIE

#include <heap.pvvs>
#include <convert.pvvs>
#include <debug.pvvs>