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VAX: 2681 UART: implement ACR and IPR

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Sergey Svishchev 2016-05-13 23:05:33 +03:00 • committed by Mark Pizzolato
parent ba4b951bd6
commit 504bc7c61f
2 changed files with 18 additions and 1 deletions
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18
VAX/vax_2681.c
View file

@ -128,6 +128,10 @@ switch (rg) {
ua2681_update_txi (ctx);
break;
case 4: /* auxiliary control */
ctx->acr = data & 0xFF;
break;
case 5: /* interrupt status/mask */
ctx->imask = data & 0xFF;
break;
@ -258,7 +262,11 @@ switch (rg) {
ctx->ists &= ~ISTS_RBI;
ua2681_update_rxi (ctx);
break;
case 13: /* input port */
data = ctx->iport;
break;
default: /* NI */
data = 0;
break;
@ -387,6 +395,8 @@ if (new_val != ctx->iport) {
ctx->ipcr &= ~0x0f;
ctx->ipcr |= (new_val & 0x0f);
ctx->ipcr |= 0x10;
if (ctx->acr & 0x01)
ctx->ists |= ISTS_IPC;
}
ctx->iport = new_val;
@ -400,6 +410,8 @@ if (new_val != ctx->iport) {
ctx->ipcr &= ~0x0f;
ctx->ipcr |= (new_val & 0x0f);
ctx->ipcr |= 0x20;
if (ctx->acr & 0x02)
ctx->ists |= ISTS_IPC;
}
ctx->iport = new_val;
@ -413,6 +425,8 @@ if (new_val != ctx->iport) {
ctx->ipcr &= ~0x0f;
ctx->ipcr |= (new_val & 0x0f);
ctx->ipcr |= 0x40;
if (ctx->acr & 0x04)
ctx->ists |= ISTS_IPC;
}
ctx->iport = new_val;
@ -426,6 +440,8 @@ if (new_val != ctx->iport) {
ctx->ipcr &= ~0x0f;
ctx->ipcr |= (new_val & 0x0f);
ctx->ipcr |= 0x80;
if (ctx->acr & 0x08)
ctx->ists |= ISTS_IPC;
}
ctx->iport = new_val;

1
VAX/vax_2681.h
View file

@ -52,6 +52,7 @@ struct uart2681_t {
uint8 ipcr;
uint8 oport;
uint8 opcr;
uint8 acr;
};
typedef struct uart2681_t UART2681;