DR805x Instructions set details
- 63 -
3.31. PUSH
Instruction:
Function:
PUSH direct
Push onto stack
Description: The stack pointer is incremented by one. The contents of the indicated
variable are then copied into the internal RAM location addressed by
the stack pointer. Otherwise no flags are affected.
Operation:
(PC) ← (PC) + 2
(SP) ← (SP) + 1
((SP)) ← (direct)
Bytes:
Cycles:
2
4
Encoding:
1
1
0
0
0
0
0
0
direct address
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