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ECP DMA jumpers, configuration via MBDMA where supported, and the Radisys Configuration device.

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This commit is contained in:
OBattler
2025-08-13 12:52:24 +02:00
parent 71a1d2a3b6
commit a276ae94f8
15 changed files with 19659 additions and 18538 deletions
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8
src/chipset/intel_piix.c
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@@ -47,6 +47,7 @@
#include <86box/hdc_ide.h>
#include <86box/hdc_ide_sff8038i.h>
#include <86box/usb.h>
#include <86box/lpt.h>
#include <86box/machine.h>
#include <86box/smbus.h>
#include <86box/chipset.h>
@@ -618,6 +619,13 @@ piix_write(int func, int addr, uint8_t val, void *priv)
}
break;
case 0x76:
if (dev->type > 1)
fregs[addr] = val & 0x87;
else if (dev->type <= 4)
fregs[addr] = val & 0x8f;
if ((dev->type == 1) && machine_has_jumpered_ecp_dma(machine, MACHINE_DMA_USE_MBDMA))
lpt1_dma(((val & 0x08) || ((val & 0x07) == 0x04)) ? 0xff : (val & 0x07));
break;
case 0x77:
if (dev->type > 1)
fregs[addr] = val & 0x87;

5
src/chipset/sis_5513_p2i.c
View File

@@ -24,8 +24,9 @@
#include <86box/io.h>
#include "cpu.h"
#include <86box/timer.h>
#include <86box/dma.h>
#include <86box/lpt.h>
#include <86box/machine.h>
#include <86box/mem.h>
#include <86box/nvr.h>
#include <86box/hdd.h>
@@ -319,6 +320,8 @@ sis_5513_00_pci_to_isa_write(int addr, uint8_t val, sis_5513_pci_to_isa_t *dev)
case 0x62: /* On-board Device DMA Control Register */
dev->pci_conf[addr] = val;
if (machine_has_jumpered_ecp_dma(machine, MACHINE_DMA_USE_MBDMA))
lpt1_dma(((val & 0x08) || ((val & 0x07) == 0x04)) ? 0xff : (val & 0x07));
break;
case 0x63: /* IDEIRQ Remapping Control Register */