Updates to `tests/` for release. Mostly adding comments and improving the README.

[vvhitespace] / tests / 4002_flowcontrol_unconditional_jump_to_label.pvvs

# This test verifies the flow control IMP for marking labels and
# unconditionally jumping to them.

SSSTSSSSSTN     | ST: Push +65 (ASCII A)
NSNTSTSTSN      | FC: Unconditional jump -> '42'
NNN             | FC: Terminate program
NSSVTSTSTSN     | FC: Mark label '42'
TNSS            | IO: Output character
NNN             | FC: Terminate program