PCjr: Correctly implement wait states, fixes #3140.

2025-07-10 02:34:26 +02:00
parent 7170592d14
commit 44fd79b78d
8 changed files with 34 additions and 3 deletions
--- a/src/mem/mem.c
+++ b/src/mem/mem.c
@@ -1840,6 +1840,9 @@ mem_read_ram(uint32_t addr, UNUSED(void *priv))
        mem_log("Read  B       %02X from %08X\n", ram[addr], addr);
 #endif

+    if (is_pcjr)
+        pcjr_waitstates(NULL);
+
    if (cpu_use_exec)
        addreadlookup(mem_logical_addr, addr);

@@ -2100,6 +2103,9 @@ mem_write_ram(uint32_t addr, uint8_t val, UNUSED(void *priv))
    if ((addr >= 0xa0000) && (addr <= 0xbffff))
        mem_log("Write B       %02X to   %08X\n", val, addr);
 #endif
+    if (is_pcjr)
+        pcjr_waitstates(NULL);
+
    if (cpu_use_exec) {
        addwritelookup(mem_logical_addr, addr);
        mem_write_ramb_page(addr, val, &pages[addr >> 12]);