NEC MuPD754144 Datasheet

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NEC MuPD754144 Datasheet Manual pdf 39 page image

μPD754144, 75424439Data Sheet U10040EJ2V1DS12. INSTRUCTION SETS(1) Expression formats and description methods of operandsThe operand is described in the operand column of each instruction in accordance with the descriptionmethod for the operand expression format of the instruction. For details, refer to “RA75X ASSEMBLERPACKAGE USERS’ MANUAL — LANGUAGE (EEU-1367)”. If there are several elements, one of themis selected. Capital letters and the + and – symbols are key words and are described as they are.For immediate data, appropriate numbers and labels are described.Instead of the labels such as mem, fmem, pmem, and bit, the symbols of the registers can be described.However, there are restrictions in the labels that can be described for fmem and pmem. For details, referto “μPD754144, 754244 user's manual (U10676E)”.Expression Description methodformatreg X, A, B, C, D, E, H, Lreg1 X, B, C, D, E, H, Lrp XA, BC, DE, HLrp1 BC, DE, HLrp2 BC, DErp' XA, BC, DE, HL, XA', BC', DE', HL'rp'1 BC, DE, HL, XA', BC', DE', HL'rpa HL, HL+, HL–, DE, DLrpa1 DE, DLn4 4-bit immediate data or labeln8 8-bit immediate data or labelmem 8-bit immediate data or labelNotebit 2-bit immediate data or labelfmem FB0H-FBFH, FF0H-FFFH immediate data or labelpmem FC0H-FFFH immediate data or labeladdr 000H-FFFH immediate data or labeladdr1 000H-FFFH immediate data or labelcaddr 12-bit immediate data or labelfaddr 11-bit immediate data or labeltaddr 20H-7FH immediate data (where bit 0 = 0) or labelPORTn PORT3, 6, 7, 8IE××× IEBT, IET0-IET2, IE0, IE2, IEEERBn RB0-RB3MBn MB0, MB4, MB15Note mem can be only used for even address in 8-bit data processing.*