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Fixed hardcoded memory size on Toshiba T1000/T1200.

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Added ability to disable video on T1200.
Patch form John Elliott.
This commit is contained in:
SarahW 2018-02-24 15:09:03 +00:00
commit 636fd9748d
3 changed files with 23 additions and 2 deletions
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10
src/t1000.c
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@ -210,7 +210,7 @@ static void ems_set_hardram(struct t1000_system *sys, uint8_t val)
sys->ems_base = 0;
}
/* pclog("EMS base set to %02x\n", val); */
sys->ems_pages = 48 - 4 * sys->ems_base;
sys->ems_pages = ((mem_size - 512) / 16) - 4 * sys->ems_base;
if (sys->ems_pages < 0) sys->ems_pages = 0;
/* Recalculate EMS mappings */
for (n = 0; n < 4; n++)
@ -421,6 +421,14 @@ static void write_t1000_ctl(uint16_t addr, uint8_t val, void *priv)
}
}
break;
/* It looks as if the T1200, like the T3100, can disable
* its builtin video chipset if it detects the presence of
* another video card. */
case 6: if (romset == ROM_T1200)
{
t1000_video_enable(val & 0x01 ? 0 : 1);
}
break;
/* EMS control*/
case 0x0F:
switch (sys->sys_ctl[0x0E])