Update the readme to reflect the addition of checking for non-existent references in the assembler
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@ -64,7 +64,8 @@ For the arguments of each instruction see the previous section.
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Address arguments can be either absolute addresses or references to or
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Address arguments can be either absolute addresses or references to or
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relative to a label. Relative references are of the form LABEL +/- N,
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relative to a label. Relative references are of the form LABEL +/- N,
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the spacing being optional.
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the spacing being optional. Note that the assembler does not check for
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addresses or references to reserved addresses.
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In addition to the true instructions there are three
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In addition to the true instructions there are three
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pseudo-instructions. ORG defines the starting address of the program: it
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pseudo-instructions. ORG defines the starting address of the program: it
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@ -73,9 +74,6 @@ not required if the starting address is 0. DATA introduces a byte of
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data. ADDR introduces two bytes of data containing the address of its
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data. ADDR introduces two bytes of data containing the address of its
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argument, a reference to or relative to a label.
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argument, a reference to or relative to a label.
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Note that the assembler does not check for addresses or references to
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reserved addresses or references to or relative to non-existing labels.
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Memory-Mapped Devices
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Memory-Mapped Devices
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