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Fixed soft reset failures of the ADI 386SX

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This commit is contained in:
tiseno100
2020-09-10 19:48:18 +03:00
committed by GitHub
parent 0993643327
commit b36f3be457
1 changed files with 8 additions and 4 deletions
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12
src/chipset/intel_82335.c
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@@ -56,6 +56,11 @@
#define rw_shadow (MEM_READ_INTERNAL | MEM_WRITE_INTERNAL)
#define ro_shadow (MEM_READ_INTERNAL | MEM_WRITE_DISABLED)
#define extended_granuality_enabled (dev->reg_2c & 0x01)
#define determine_video_ram_write_acess ((dev->reg_22 & (0x08 << 8)) ? rw_shadow : ro_shadow)
#define ENABLE_INTEL_82335_LOG 1
typedef struct
{
@@ -95,11 +100,11 @@ intel_82335_write(uint16_t addr, uint16_t val, void *priv)
case 0x22:
dev->reg_22 = val;
if (!(dev->reg_2c & 0x01))
if (!extended_granuality_enabled)
{
mem_set_mem_state_both(0xa0000, 0x20000, (dev->reg_22 & (0x04 << 8)) ? enabled_shadow : disabled_shadow);
mem_set_mem_state_both(0xc0000, 0x20000, (dev->reg_22 & (0x02 << 8)) ? enabled_shadow : disabled_shadow);
mem_set_mem_state_both(0xe0000, 0x20000, (dev->reg_22 & 0x01) ? enabled_shadow : disabled_shadow);
mem_set_mem_state_both(0xe0000, 0x20000, (dev->reg_22 & 0x01) ? determine_video_ram_write_acess : disabled_shadow);
}
break;
@@ -126,7 +131,7 @@ intel_82335_write(uint16_t addr, uint16_t val, void *priv)
case 0x2e:
dev->reg_2e = val;
if(dev->reg_2c & 0x01)
if(extended_granuality_enabled)
{
for(i=0; i<8; i++)
{
@@ -175,7 +180,6 @@ intel_82335_read(uint16_t addr, void *priv)
}
}
static void
intel_82335_close(void *priv)
{