as: AVR-Regs
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1 9.5.2.2 Register Names
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1 The AVR has 32 x 8-bit general purpose working registers 'r0', 'r1', ...
1 'r31'. Six of the 32 registers can be used as three 16-bit indirect
1 address register pointers for Data Space addressing. One of the these
1 address pointers can also be used as an address pointer for look up
1 tables in Flash program memory. These added function registers are the
1 16-bit 'X', 'Y' and 'Z' - registers.
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1 X = r26:r27
1 Y = r28:r29
1 Z = r30:r31
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