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D950-CORE 数据表(PDF) 41 Page - STMicroelectronics |
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D950-CORE 数据表(HTML) 41 Page - STMicroelectronics |
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41 / 89 page ![]() 41/89 D950-Core • Immediate push (2-words/3-cycles) (second word = immediate value). • Push/pop direct addressing mode(2-words/3-cycles)(2nd word=direct address). • Repeat block up to 216-1 times (3-words/3-cycles)(2nd word = LC, 3rd word = LE). • JUMP and CALL instructions. 5.2 Register List The registers used in the D950-Core instruction set are: • AX0, AX1, AY0, AY1 address pointers. • IX0, IX1, IX2, IX3, IY0, IY1, IY2, IY3 index registers. • SPX SPY stack pointers. • LS, LC, LE loop registers. • A0E, A0H, A0L, A1E, A1H, A1L accumulator registers. • PH, PL product registers. • CCR code condition register. • STA status register. • BSC barrel shifter control register. • PSC product shift control register. • DCU0CR DCU control register. 5.3 Condition List A table of conditions is contained in Table 4.4 6 |
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