GMS81504D Ver la hoja de datos (PDF) - Unspecified

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GMS81504D

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Unspecified 

GMS81504

1) INTERRUPT

M(SP) ← (PCH)

SP ← SP - 1

M(SP) ← (PCL)

SP ← SP - 1

M(SP) ← (PSW)

SP ← SP - 1

2) RETI

SP ← SP + 1

(PSW) ← M(SP)

SP ← SP + 1

(PCL) ← M(SP)

SP ← SP + 1

(PCH) ← M(SP)

HYUNDAI MicroElectronics

3) CALL

M(SP) ← (PCH)

SP ← SP - 1

M(SP) ← (PCL)

SP ← SP - 1

4) RET

SP ← SP + 1

(PCL) ← M(SP)

SP ← SP + 1

(PCH) ← M(SP)

5) PUSH A (X,Y,PSW)

M(SP) ← ACC.

SP ← SP - 1

6) POP A (X,Y,PSW)

SP ← SP + 1

M(SP) ← (PCH)

Figure 7. Stack Operation

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