Maxim Integrated MAXQ7667 - Manual (Page 333)

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MAXQ7667 User’s Guide
OR Acc. Logical OR Carry Flag with Accumulator Bit
Description: Performs a logical-OR between the Carry (C) status flag and a specified bit of the active accumulator (Acc.)
and returns the result to the Carry.
Status Flags: C
Operation: C ← C OR Acc.
Encoding: 15 0
Example(s): ; Acc = 2345h, C=0 at start
OR Acc.1 ; Acc.1=0 → C=0
OR Acc.2 ; Acc.2=1 → C=1
POP dst Pop Word from the Stack
Description: Pops a single word from the stack (@SP) to the specified dst and decrements the stack pointer (SP).
Status Flags: S, Z (if dst = Acc or AP or APC)
C, E (if dst = PSF)
Operation: dst ← @ SP--
Encoding: 15 0
Example(s): ; GR ← 1234h
POP GR ; @DP[0] ← 76h (WBS0=0)
POP @DP[0] ; @DP[0] ← 0876h (WBS0=1)
Stack Data:
← SP (initial)
← SP (after POP GR)
← SP (after POP @DP[0])
1ddd dddd 0000 1101
xxxxh
1234h
0876h
xxxxh
xxxxh
1010 1010 bbbb 1010