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The following words allow you to assemble z80 binaries. Being
Forth words, opcode assembly is a bit different than with a
typical assembler. For example, what would traditionally be
"ld a, b" would become "A B LDrr,".
BIN( is the addr at which the compiled binary will live. It is
often 0.
ORG is H@ offset at which we begin spitting binary. Used to
compute PC. To have a proper PC, call "H@ ORG !" at the
beginning of your assembly process. PC is H@ - ORG + BIN(.
(cont.)