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16 lines
665 B
Plaintext
16 lines
665 B
Plaintext
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The following words allow you to assemble z80 binaries. Being
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Forth words, opcode assembly is a bit different than with a
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typical assembler. For example, what would traditionally be
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"ld a, b" would become "A B LDrr,".
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H@ offset at which we consider our PC 0. Used to compute PC. To
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have a proper PC, call "H@ ORG !" at the beginning of your
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assembly process.
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Labels are a convenient way of managing relative jump
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calculations. Backward labels are easy. It is only a matter or
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recording "HERE" and do subtractions. Forward labels record the
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place where we should write the offset, and then when we get to
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that point later on, the label records the offset there.
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