From 95bb3ae33397de68ade0791e2602f56c025a815f Mon Sep 17 00:00:00 2001 From: OBattler Date: Wed, 24 Jan 2024 06:00:56 +0100 Subject: [PATCH] IBM 5161: Set switches according to the total memory installed (on-board + any expansion cards), fixes #4070. --- src/device/ibm_5161.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/src/device/ibm_5161.c b/src/device/ibm_5161.c index 07083873e..762a379a1 100644 --- a/src/device/ibm_5161.c +++ b/src/device/ibm_5161.c @@ -73,8 +73,8 @@ ibm_5161_in(uint16_t port, void *priv) 02-03 = not used 04-07 = switch position 1 = Off - 0 =On */ - ret = dev->regs[3] & 0x01; + 0 = On */ + ret = (dev->regs[3] & 0x01) | (((~(0xf - ((mem_size + isa_mem_size) >> 6))) & 0xf) << 4); break; default: @@ -95,8 +95,7 @@ ibm_5161_close(void *priv) static void * ibm_5161_init(UNUSED(const device_t *info)) { - ibm_5161_t *dev = (ibm_5161_t *) malloc(sizeof(ibm_5161_t)); - memset(dev, 0, sizeof(ibm_5161_t)); + ibm_5161_t *dev = (ibm_5161_t *) calloc(1, sizeof(ibm_5161_t)); /* Extender Card Registers */ io_sethandler(0x0210, 0x0004,