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Improve the fix, now it actually remembers the CPU settings.

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OBattler
2025-12-19 23:07:24 +01:00
parent 854a3af014
commit fddfeb51ca
1 changed files with 5 additions and 2 deletions
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7
src/nvr_at.c
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@@ -637,7 +637,7 @@ nvr_reg_write(uint16_t reg, uint8_t val, void *priv)
case 0x39:
if (machines[machine].init == machine_at_bx6_init)
nvr_reg_common_write(reg, val | 0x09, nvr, local);
nvr_reg_common_write(reg, val | 0x08, nvr, local);
else
nvr_reg_common_write(reg, val, nvr, local);
break;
@@ -805,7 +805,7 @@ nvr_read(uint16_t addr, void *priv)
if (!(local->lock[local->addr[addr_id]] & 0x02)) {
ret = nvr->regs[local->addr[addr_id]];
if (machines[machine].init == machine_at_bx6_init)
ret |= 0x09;
ret |= 0x08;
}
break;
@@ -1231,6 +1231,9 @@ nvr_at_init(const device_t *info)
if (nvr->is_new && (machines[machine].init == machine_at_spitfire_init))
nvr->regs[0x33] = nvr->regs[0x34] = 0xff;
if (nvr->is_new && (machines[machine].init == machine_at_bx6_init))
nvr->regs[0x39] = 0x09;
return nvr;
}