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Intel flash chips respond to writes at all addresses. Fixes NVRAM errors

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on VS440FX.
This commit is contained in:
SarahW 2020-11-04 20:56:40 +00:00
commit 8a5a0fc48c
1 changed files with 1 additions and 8 deletions
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9
src/intel_flash.c
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@ -43,11 +43,7 @@ static uint8_t flash_read(uint32_t addr, void *p)
{
flash_t *flash = (flash_t *)p;
if (flash->invert_high_pin)
{
// pclog("flash_read : addr=%08x/%08x val=%02x command=%02x %04x:%08x\n", addr, addr ^ 0x10000, flash->array[(addr ^ 0x10000) & 0x1ffff], flash->command, CS, cpu_state.pc);
addr ^= 0x10000;
if (addr & 0xfff00000) return flash->array[addr & flash->addr_mask];
}
// pclog("flash_read : addr=%08x command=%02x %04x:%08x\n", addr, flash->command, CS, cpu_state.pc);
addr &= flash->addr_mask;
switch (flash->command)
@ -97,13 +93,10 @@ static void flash_write(uint32_t addr, uint8_t val, void *p)
{
flash_t *flash = (flash_t *)p;
int i;
pclog("flash_write : addr=%08x val=%02x command=%02x %04x:%08x\n", addr, val, flash->command, CS, cpu_state.pc);
// pclog("flash_write : addr=%08x val=%02x command=%02x %04x:%08x\n", addr, val, flash->command, CS, cpu_state.pc);
if (flash->invert_high_pin)
{
addr ^= 0x10000;
if (addr & 0xfff00000) return;
}
addr &= flash->addr_mask;
switch (flash->command)