A calculator (arithmetic and bitwise) equipped with a memory, stack, and registers

Instructions:
BOR, BAND, BXOR
ISHL, LSHL,
ISHR, LSHR,
BNOT

Binaries: /bin/*
Full Changelog: https://github.com/ankiedos/gle/commits/v2.1.0-rc.1

Any idea on the rationale of lshl and lshr? What they can be doing?

A calculator equipped with a memory, stack, and registers

Instructions:
STPUSH, STPOP, STTOP, STGET
IADD, LADD,
ISUB, LSUB,
IMUL, LMUL,
IDIV, LDIV,
IMOD,
IINC, LINC,
IDEC, LDEC,
ISGN, LSGN,
IABS, LABS

Binaries: /bin/*
Full Changelog: https://github.com/ankiedos/gle/commits/v2.1.0-rc.0