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IBM 5161: Set switches according to the total memory installed (on-board + any expansion cards), fixes #4070.

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OBattler
2024-01-24 06:00:56 +01:00
parent 13330322b4
commit 95bb3ae333
1 changed files with 3 additions and 4 deletions
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7
src/device/ibm_5161.c
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@@ -73,8 +73,8 @@ ibm_5161_in(uint16_t port, void *priv)
02-03 = not used 02-03 = not used
04-07 = switch position 04-07 = switch position
1 = Off 1 = Off
0 =On */ 0 = On */
ret = dev->regs[3] & 0x01; ret = (dev->regs[3] & 0x01) | (((~(0xf - ((mem_size + isa_mem_size) >> 6))) & 0xf) << 4);
break; break;
default: default:
@@ -95,8 +95,7 @@ ibm_5161_close(void *priv)
static void * static void *
ibm_5161_init(UNUSED(const device_t *info)) ibm_5161_init(UNUSED(const device_t *info))
{ {
ibm_5161_t *dev = (ibm_5161_t *) malloc(sizeof(ibm_5161_t)); ibm_5161_t *dev = (ibm_5161_t *) calloc(1, sizeof(ibm_5161_t));
memset(dev, 0, sizeof(ibm_5161_t));
/* Extender Card Registers */ /* Extender Card Registers */
io_sethandler(0x0210, 0x0004, io_sethandler(0x0210, 0x0004,