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Merge pull request #44 from beeanyew/wip-crap

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Hopefully fix up physical Zorro board detection during AutoConfig
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beeanyew
2021-10-03 09:25:56 +02:00
committed by GitHub
parent b0c8d0a17e 09dd338780
commit ecb1df6952
1 changed files with 4 additions and 1 deletions
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platforms/amiga/amiga-platform.c
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@@ -86,7 +86,10 @@ inline int custom_read_amiga(struct emulator_config *cfg, unsigned int addr, uns
if (addr == AC_Z2_BASE) {
uint8_t zchk = ps_read_8(addr);
DEBUG("[AUTOCONF] Read from AC_Z2_BASE: %.2X\n", zchk);
if (zchk != 0x4E) {
// This check may look a bit strange, but it appears that some boards invert the lower four nibbles
// for the boardtype bits, although this isn't required, and if it isn't "clear" in one way or the
// other (either 1111 or 0000), there's no board responding on this address.
if ((zchk & 0x0F) == 0x0F || (zchk & 0x0F) == 0x00) {
if (!ac_waiting_for_physical_pic) {
printf("[AUTOCONF] Found physical Zorro board, pausing processing until done.\n");
ac_waiting_for_physical_pic = 1;