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| DR805X Datasheet, PDF (63/79 Pages) Digital Core Design – 8-bit RISC Microcontroller Instructions set details ver 3.10 | |||
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DR805x Instructions set details
- 63 -
3.31. PUSH
Instruction: PUSH direct
Function: 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) â (PC) + 2
(SP) â (SP) + 1
((SP)) â (direct)
Bytes:
2
Cycles:
4
Encoding:
11000000
direct address
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