Intel 8XC196NT User Manual page 5

8XC196NT USER'S MANUAL
2.6.3 Programming the Nonvolatile Memory ....................................................................2-11
CHAPTER 3
PROGRAMMING CONSIDERATIONS
3.1 OVERVIEW OF THE INSTRUCTION SET.................................................................... 3-1
3.1.1 BIT Operands ............................................................................................................3-2
3.1.2 BYTE Operands ........................................................................................................3-2
3.1.3 SHORT-INTEGER Operands ....................................................................................3-2
3.1.4 WORD Operands ......................................................................................................3-3
3.1.5 INTEGER Operands .................................................................................................3-3
3.1.6 DOUBLE-WORD Operands ......................................................................................3-3
3.1.7 LONG-INTEGER Operands ......................................................................................3-4
3.1.8 QUAD-WORD Operands ..........................................................................................3-4
3.1.9 Converting Operands ................................................................................................3-4
3.1.10 Conditional Jumps ....................................................................................................3-4
3.1.11 Floating Point Operations .........................................................................................3-5
3.1.12 Extended Instructions ...............................................................................................3-5
3.2 ADDRESSING MODES ................................................................................................. 3-6
3.2.1 Direct Addressing ......................................................................................................3-7
3.2.2 Immediate Addressing ..............................................................................................3-7
3.2.3 Indirect Addressing ...................................................................................................3-7
3.2.3.1 Extended Indirect Addressing ..............................................................................3-8
3.2.3.2 Indirect Addressing with Autoincrement ...............................................................3-8
3.2.3.3 Extended Indirect Addressing with Autoincrement ...............................................3-8
3.2.3.4 Indirect Addressing with the Stack Pointer ...........................................................3-9
3.2.4 Indexed Addressing ..................................................................................................3-9
3.2.4.1 Short-indexed Addressing ....................................................................................3-9
3.2.4.2 Long-indexed Addressing ....................................................................................3-9
3.2.4.3 Extended Indexed Addressing ...........................................................................3-10
3.2.4.4 Zero-indexed Addressing ...................................................................................3-10
3.2.4.5 Extended Zero-indexed Addressing ...................................................................3-10
3.3 ASSEMBLY LANGUAGE ADDRESSING MODE SELECTIONS ................................ 3-11
3.3.1 Direct Addressing ....................................................................................................3-11
3.3.2 Indexed Addressing ................................................................................................3-11
3.3.3 Extended Addressing ..............................................................................................3-11
3.4 DESIGN CONSIDERATIONS FOR 1-MBYTE DEVICES............................................ 3-11
3.5 SOFTWARE STANDARDS AND CONVENTIONS ..................................................... 3-11
3.5.1 Using Registers .......................................................................................................3-12
3.5.2 Addressing 32-bit Operands ...................................................................................3-12
3.5.3 Addressing 64-bit Operands ...................................................................................3-12
3.5.4 Linking Subroutines ................................................................................................3-13
3.6 SOFTWARE PROTECTION FEATURES AND GUIDELINES .................................... 3-14
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