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Fixed the readback of the PC/XT FPU installed switch.

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OBattler
2019-11-14 06:14:48 +01:00
parent fa4890c9db
commit 6cb88c27bd
1 changed files with 4 additions and 4 deletions
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8
src/keyboard_xt.c
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@@ -8,7 +8,7 @@
*
* Implementation of the XT-style keyboard.
*
* Version: @(#)keyboard_xt.c 1.0.17 2019/03/05
* Version: @(#)keyboard_xt.c 1.0.18 2019/11/14
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -532,7 +532,7 @@ kbd_read(uint16_t port, void *priv)
switch (port) {
case 0x60:
if ((kbd->type <= 1) && (kbd->pb & 0x80))
ret = kbd->pd;
ret = (kbd->pd & ~0x02) | (hasfpu ? 0x02 : 0x00);
else if (((kbd->type == 2) || (kbd->type == 3)) && (kbd->pb & 0x80))
ret = 0xff; /* According to Ruud on the PCem forum, this is supposed to return 0xFF on the XT. */
else
@@ -559,10 +559,10 @@ kbd_read(uint16_t port, void *priv)
LaserXT/3 = Bit 0: set = 512k, clear = 256k. */
#if defined(DEV_BRANCH) && defined(USE_LASERXT)
if (kbd->type == 6)
ret = (mem_size == 512) ? 0x0d : 0x0c;
ret = ((mem_size == 512) ? 0x0d : 0x0c) | (hasfpu ? 0x02 : 0x00);
else
#endif
ret = kbd->pd & 0x0f;
ret = (kbd->pd & 0x0d) | (hasfpu ? 0x02 : 0x00);
}
}
ret |= (ppispeakon ? 0x20 : 0);