Fix Prometheus word PCI config area writes.

diff --git a/pci.cpp b/pci.cpp
index c7605ae642975cf2a71f055e9715ba343f0926d6..55e5fc5837ada0b05ef2aefeff05dbdece14e477 100644 (file)
--- a/pci.cpp
+++ b/pci.cpp
@@ -445,9 +445,12 @@ static uae_u8 *get_pci_config(uaecptr addr, int size, uae_u32 v, int *endianswap
                        c[off + 1] = pcibs->board->pci_get_config(off + 2);
                        c[off + 0] = pcibs->board->pci_get_config(off + 3);
                } else if (size == 2 || size == -2) {
-                       if (pcib->endian_swap_config) {
-                               c[(off ^ (pcib->endian_swap_config > 0 ? 0 : 2)) + 0] = pcibs->board->pci_get_config(off + 0);
-                               c[(off ^ (pcib->endian_swap_config > 0 ? 0 : 2)) + 1] = pcibs->board->pci_get_config(off + 1);
+                       if (pcib->endian_swap_config < 0) {
+                               c[(off ^ 2) + 0] = pcibs->board->pci_get_config(off + 0);
+                               c[(off ^ 2) + 1] = pcibs->board->pci_get_config(off + 1);
+                       } else if (pcib->endian_swap_config > 0) {
+                               c[off + 0] = pcibs->board->pci_get_config(off + 0);
+                               c[off + 1] = pcibs->board->pci_get_config(off + 1);
                        } else {
                                c[off + 1] = pcibs->board->pci_get_config((off ^ 2) + 0);
                                c[off + 0] = pcibs->board->pci_get_config((off ^ 2) + 1);
@@ -530,9 +533,12 @@ static void update_pci_config(uaecptr addr, int size)
                        pcibs->board->pci_put_config(off + 1, d[off + 2]);
                        pcibs->board->pci_put_config(off + 0, d[off + 3]);
                } else if (size == 2) {
-                       if (pcib->endian_swap_config) {
-                               pcibs->board->pci_put_config((off ^ (pcib->endian_swap_config > 0 ? 2 : 0)) + 1, d[off + 0]);
-                               pcibs->board->pci_put_config((off ^ (pcib->endian_swap_config > 0 ? 2 : 0)) + 0, d[off + 1]);
+                       if (pcib->endian_swap_config < 0) {
+                               pcibs->board->pci_put_config((off ^ 2) + 0, d[off + 0]);
+                               pcibs->board->pci_put_config((off ^ 2) + 1, d[off + 1]);
+                       } else if (pcib->endian_swap_config > 0) {
+                               pcibs->board->pci_put_config(off + 0, d[off + 0]);
+                               pcibs->board->pci_put_config(off + 1, d[off + 1]);
                        } else {
                                pcibs->board->pci_put_config(off + 0, d[off + 0]);
                                pcibs->board->pci_put_config(off + 1, d[off + 1]);