ethonion10/v86
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

uart: throw rdi instead of cti when fifo is not used

Browse source
This commit is contained in:
Fabian 2022-06-21 15:15:34 +09:00
parent f13136b9c1
commit aff546c716
1 changed files with 14 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
src/uart.js
View file

@ -153,6 +153,7 @@ function UART(cpu, port, bus)
{
this.lsr &= ~UART_LSR_DATA_READY;
this.ClearInterrupt(UART_IIR_CTI);
this.ClearInterrupt(UART_IIR_RDI);
}
return data;
@ -281,6 +282,10 @@ UART.prototype.CheckInterrupt = function() {
this.iir = UART_IIR_CTI;
this.cpu.device_raise_irq(this.irq);
} else
if ((this.ints & (1 << UART_IIR_RDI)) && (this.ier & UART_IER_RDI)) {
this.iir = UART_IIR_RDI;
this.cpu.device_raise_irq(this.irq);
} else
if ((this.ints & (1 << UART_IIR_THRI)) && (this.ier & UART_IER_THRI)) {
this.iir = UART_IIR_THRI;
this.cpu.device_raise_irq(this.irq);
@ -313,7 +318,15 @@ UART.prototype.data_received = function(data)
this.input.push(data);
this.lsr |= UART_LSR_DATA_READY;
this.ThrowInterrupt(UART_IIR_CTI);
if(this.fifo_control & 1)
{
this.ThrowInterrupt(UART_IIR_CTI);
}
else
{
this.ThrowInterrupt(UART_IIR_RDI);
}
};
UART.prototype.write_data = function(out_byte)