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M6800 Assembler Directives
FCB - Form Constant Byte
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         (<label>) FCB <expr>(,<expr>,...,<expr>) (<comment>)


The FCB directive may have one or more operands separated by commas. The value of each operand is truncated to eight bits, and is stored in a single byte of the object program. Multiple operands are stored in successive bytes. The operand may be a numeric constant, a character constant, a symbol, or an expression. If multiple operands are present, one or more of them can be null (two adjacent commas), in which case a single byte of zero will be assigned for that operand. An error will occur if the upper eight bits of the evaluated operands' values are not all ones or all zeros.
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filename:microprocessors - MC6800/MC6802 - assembler - directives - fcb
filename:microprocessors%20%2D%20MC6800%2FMC6802%20%2D%20assembler%20%2D%20directives%20%2D%20fcb
last edit:March 20 2010 12:41:58 (5655 days ago)
ct = 1757738125.000000 = September 13 2025 00:35:25
ft = 1269103318.000000 = March 20 2010 12:41:58
dt = 488634807.000000