claunia/86Box
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Fixed printer IRQ handler, both printers now work with OS/2, fixes #374.

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This commit is contained in:
OBattler
2019-09-23 05:39:43 +02:00
parent 62efb11c47
commit dbdf5c2501
6 changed files with 70 additions and 68 deletions
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45
src/printer/prt_text.c
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@@ -15,11 +15,11 @@
* printer mechanics. This would lead to a page being 66 lines
* of 80 characters each.
*
* Version: @(#)prt_text.c 1.0.6 2018/11/09
* Version: @(#)prt_text.c 1.0.7 2019/09/23
*
* Author: Fred N. van Kempen, <decwiz@yahoo.com>
*
* Copyright 2018 Fred N. van Kempen.
* Copyright 2018,2019 Fred N. van Kempen.
*
* Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the
@@ -59,6 +59,7 @@
#include "../86box.h"
#include "../device.h"
#include "../timer.h"
#include "../pit.h"
#include "../plat.h"
#include "../lpt.h"
#include "printer.h"
@@ -104,6 +105,7 @@ typedef struct {
wchar_t filename[1024];
/* Printer timeout. */
pc_timer_t pulse_timer;
pc_timer_t timeout_timer;
/* page data (TODO: make configurable) */
@@ -198,6 +200,20 @@ new_page(prnt_t *dev)
}
static void
pulse_timer(void *priv)
{
prnt_t *dev = (prnt_t *) priv;
if (dev->ack) {
dev->ack = 0;
lpt_irq(dev->lpt, 1);
}
timer_disable(&dev->pulse_timer);
}
static void
timeout_timer(void *priv)
{
@@ -222,15 +238,12 @@ reset_printer(prnt_t *dev)
dev->bot_margin = PAGE_BMARGIN;
dev->cpi = PAGE_CPI;
dev->lpi = PAGE_LPI;
dev->ack = 0;
/* Default page layout. */
dev->max_chars = (int) ((dev->page_width - dev->left_margin - dev->right_margin) * dev->cpi);
dev->max_lines = (int) ((dev->page_height -dev->top_margin - dev->bot_margin) * dev->lpi);
//INFO("PRNT: width=%.1fin,height=%.1fin cpi=%i lpi=%i cols=%i lines=%i\n",
// dev->page_width, dev->page_height, (int)dev->cpi,
// (int)dev->lpi, dev->max_chars, dev->max_lines);
dev->curr_x = dev->curr_y = 0;
if (dev->page != NULL)
@@ -239,7 +252,8 @@ reset_printer(prnt_t *dev)
/* Create a file for this page. */
plat_tempfile(dev->filename, NULL, L".txt");
timer_disable(&dev->timeout_timer);
timer_disable(&dev->pulse_timer);
timer_disable(&dev->timeout_timer);
}
@@ -395,6 +409,7 @@ write_ctrl(uint8_t val, void *priv)
/* ACK it, will be read on next READ STATUS. */
dev->ack = 1;
timer_set_delay_u64(&dev->pulse_timer, ISACONST);
timer_set_delay_u64(&dev->timeout_timer, 500000 * TIMER_USEC);
}
@@ -406,19 +421,12 @@ static uint8_t
read_status(void *priv)
{
prnt_t *dev = (prnt_t *)priv;
uint8_t ret = 0xff;
uint8_t ret = 0x1f;
if (dev == NULL) return(ret);
ret |= 0x80;
ret = (dev->ack ? 0x00 : 0x40) |
(dev->select ? 0x10 : 0x00) |
(dev->busy ? 0x00 : 0x80) |
(dev->int_pending ? 0x00 : 0x04) |
(dev->error ? 0x00 : 0x08);
/* Clear ACK after reading status. */
dev->ack = 0;
lpt_irq(dev->lpt, 1);
if (!dev->ack)
ret |= 0x40;
return(ret);
}
@@ -445,6 +453,7 @@ prnt_init(void *lpt)
dev->page->chars = (char *)malloc(dev->page->w * dev->page->h);
memset(dev->page->chars, 0x00, dev->page->w * dev->page->h);
timer_add(&dev->pulse_timer, pulse_timer, dev, 0);
timer_add(&dev->timeout_timer, timeout_timer, dev, 0);
return(dev);