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UPD703003 Datasheet(PDF) 46 Page - NEC |
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UPD703003 Datasheet(HTML) 46 Page - NEC |
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46 / 82 page  µPD703003 46 Data Sheet U12261EJ2V1DS00 15. INSTRUCTION SET • How to read instruction set tables Table 15-1. Symbols Used to Indicate Operands Symbol Description reg1 General registers (r0 to r31): used as source registers reg2 General registers (r0 to r31): mainly used as destination registers ep Element pointer (r30) bit#3 3-bit data used to specify bit number immX X bits immediate dispX X bits displaced regID System register number vector 5-bit data used to specify trap vector (00H to 1FH) cccc 4-bit data used to indicate condition code Indicates the instruction group. Instructions are listed in these table according to their respective groups. Indicates the mnemonic abbreviation for the instruction. Indicates the instruction's operands (see Table 15-1). Indicates the instruction binary code. The binary codes for 32-bit instructions are shown in two levels (see Table 15-2). Indicates instruction operation (see Table 15-3). Indicates flag operations (see Table 15-4). Mnemonic Operand Opcode Operation Flags CY OV S Z SAT |
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