STC micro STC8A8K64D4 Series Reference Manual page 385

STC8A8K64D4 Series Manual
IE2 = 0x10;
EA = 1;
Uart4SENDStr("Uart Test !\r\n");
while (1)
{
if (rptr != wptr)
{
Uart4SEND(buffer[rptr++]);
rptr &= 0x0f;
}
}
}
Assembly code
;Operating frequency for test is 11.0592MHz
T4T3M DATA
T4L DATA
T4H DATA
T3L DATA
T3H DATA
T2L DATA
T2H DATA
S4CON DATA
S4BUF DATA
IE2 DATA
BUSY BIT
WPTR DATA
RPTR DATA
BUFFER DATA
P0M1 DATA
P0M0 DATA
P1M1 DATA
P1M0 DATA
P2M1 DATA
P2M0 DATA
P3M1 DATA
P3M0 DATA
P4M1 DATA
P4M0 DATA
P5M1 DATA
P5M0 DATA
ORG
LJMP
ORG
LJMP
ORG
UART4_ISR:
PUSH
PUSH
MOV
0D1H
0D3H
0D2H
0D5H
0D4H
0D7H
0D6H
84H
85H
0AFH
20H.0
21H
22H
23H
093H
094H
091H
092H
095H
096H
0B1H
0B2H
0B3H
0B4H
0C9H
0CAH
0000H
MAIN
0093H
UART4_ISR
0100H
ACC
PSW
PSW,#08H
;16 bytes
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