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If Reg1 = 00000000 and Bit0 = 0 initially then: 1<<Bit0 = 00000001 << 0 = 00000001 ==> ~(00000001) = 11111110 Reg1 &= 11111110 means Reg1 = 00000000 & 11111110 = 00000000
Hi there. I do not understand the following line of code. [ICODE] program_counter = (memory[0xFFFD] << 8) | memory[0xFFFC]; [/ICODE] [QUOTE] The array memory[] represents the memory space of our processor. The starting address for a 6502 program is stored at location $FFFC and $FFFD in memory. The 6502 stores …
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