Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Manual de usuario descargar pdf (Pagina 46)

5 INSTRUCTION SET

EPSON

S1C33 FAMILY C33 PE CORE MANUAL

31 0

Before execution of popn

low address

31 0

After execution of popn

r15

r14

r13

r12

low address

r15

r14

r13

r12

Data is popped off the stack into the registers before the stack pointer is updated.

[SP] → rd, SP = SP + 4

Figure 5.13.2 Successive Pop of General-Purpose Registers

Example 2: pushs %ahr Push special registers onto the stack successively

pops %ahr Pop special registers off the stack successively

31 0

Before execution of pushs

low address

31 0

After execution of pushs

ahr

alr

low address

Figure 5.13.3 Successive Push of Special Registers

31 0

Before execution of pops

low address

31 0

After execution of pops

ahr

alr

ahr

alr

low address

Figure 5.13.4 Successive Pop of Special Registers

Example 3: push %rs Push any general-purpose register onto the stack

pop %rd Pop any general-purpose register off the stack

31 0

Before execution of push

low address

31 0

After execution of push

low address

Figure 5.13.5 Single Push of a General-Purpose Register

31 0

Before execution of pop

low address

31 0

After execution of pop

rdrd

low address

Figure 5.13.6 Single Pop of a General-Purpose Register

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 180 181

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Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Manual de usuario Pagina 46

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