D950-CORE View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'D950-CORE' PDF : 89 Pages View PDF
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
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