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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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49
src/printer/prt_escp.c
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@@ -8,15 +8,15 @@
*
* Implementation of the Generic ESC/P Dot-Matrix printer.
*
* Version: @(#)prt_escp.c 1.0.6 2018/11/09
* Version: @(#)prt_escp.c 1.0.7 2019/09/23
*
* Authors: Michael Dr<44>ing, <michael@drueing.de>
* Fred N. van Kempen, <decwiz@yahoo.com>
*
* Based on code by Frederic Weymann (originally for DosBox.)
*
* Copyright 2018 Michael Dr<44>ing.
* Copyright 2018 Fred N. van Kempen.
* Copyright 2018,2019 Michael Dr<44>ing.
* Copyright 2019,2019 Fred N. van Kempen.
*
* Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the
@@ -62,6 +62,7 @@
#include "../timer.h"
#include "../mem.h"
#include "../rom.h"
#include "../pit.h"
#include "../plat.h"
#include "../plat_dynld.h"
#include "../ui.h"
@@ -201,6 +202,7 @@ typedef struct {
void *lpt;
pc_timer_t pulse_timer;
pc_timer_t timeout_timer;
wchar_t page_fn[260];
@@ -290,8 +292,6 @@ typedef struct {
uint8_t msb; /* MSB mode, -1 = off */
uint8_t ctrl;
uint8_t char_read;
PALETTE palcol;
} escp_t;
@@ -425,6 +425,20 @@ new_page(escp_t *dev, int8_t save, int8_t resetx)
}
static void
pulse_timer(void *priv)
{
escp_t *dev = (escp_t *) priv;
if (dev->ack) {
dev->ack = 0;
lpt_irq(dev->lpt, 1);
}
timer_disable(&dev->pulse_timer);
}
static void
timeout_timer(void *priv)
{
@@ -518,8 +532,8 @@ reset_printer(escp_t *dev)
static void
reset_printer_hard(escp_t *dev)
{
dev->char_read = 0;
lpt_irq(dev->lpt, 1);
dev->ack = 0;
timer_disable(&dev->pulse_timer);
timer_disable(&dev->timeout_timer);
reset_printer(dev);
}
@@ -1590,8 +1604,6 @@ handle_char(escp_t *dev, uint8_t ch)
uint16_t line_start, line_y;
double x_advance;
dev->char_read = 1;
if (dev->page == NULL)
return;
@@ -1757,19 +1769,6 @@ draw_hline(escp_t *dev, unsigned from_x, unsigned to_x, unsigned y, int8_t broke
}
static int8_t
print_ack(escp_t *dev)
{
if (dev->char_read) {
dev->char_read = 0;
lpt_irq(dev->lpt, 1);
return 1;
}
return 0;
}
static void
setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
{
@@ -1980,6 +1979,7 @@ 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);
}
@@ -2016,7 +2016,7 @@ read_status(void *priv)
ret |= 0x80;
if (!print_ack(dev))
if (!dev->ack)
ret |= 0x40;
return(ret);
@@ -2111,7 +2111,8 @@ escp_init(void *lpt)
escp_log("ESC/P: created a virtual page of dimensions %d x %d pixels.\n",
dev->page->w, dev->page->h);
timer_add(&dev->timeout_timer, timeout_timer, dev, 0);
timer_add(&dev->pulse_timer, pulse_timer, dev, 0);
timer_add(&dev->timeout_timer, timeout_timer, dev, 0);
return(dev);
}