286/386 interpreter fixes - the correct opcode arrays are now used and fixed the debug registers.

2024-02-09 12:14:35 +01:00
parent c99c4ecb6e
commit 5a3d74d64f
16 changed files with 597 additions and 140 deletions
--- a/src/cpu/x86_ops_fpu_2386.h
+++ b/src/cpu/x86_ops_fpu_2386.h
@@ -0,0 +1,113 @@
+/* Copyright holders: Sarah Walker
+   see COPYING for more details
+*/
+static int
+opESCAPE_d8_a16(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_d8_a16[(fetchdat >> 3) & 0x1f](fetchdat);
+}
+static int
+opESCAPE_d8_a32(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_d8_a32[(fetchdat >> 3) & 0x1f](fetchdat);
+}
+
+static int
+opESCAPE_d9_a16(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_d9_a16[fetchdat & 0xff](fetchdat);
+}
+static int
+opESCAPE_d9_a32(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_d9_a32[fetchdat & 0xff](fetchdat);
+}
+
+static int
+opESCAPE_da_a16(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_da_a16[fetchdat & 0xff](fetchdat);
+}
+static int
+opESCAPE_da_a32(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_da_a32[fetchdat & 0xff](fetchdat);
+}
+
+static int
+opESCAPE_db_a16(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_db_a16[fetchdat & 0xff](fetchdat);
+}
+static int
+opESCAPE_db_a32(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_db_a32[fetchdat & 0xff](fetchdat);
+}
+
+static int
+opESCAPE_dc_a16(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_dc_a16[(fetchdat >> 3) & 0x1f](fetchdat);
+}
+static int
+opESCAPE_dc_a32(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_dc_a32[(fetchdat >> 3) & 0x1f](fetchdat);
+}
+
+static int
+opESCAPE_dd_a16(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_dd_a16[fetchdat & 0xff](fetchdat);
+}
+static int
+opESCAPE_dd_a32(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_dd_a32[fetchdat & 0xff](fetchdat);
+}
+
+static int
+opESCAPE_de_a16(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_de_a16[fetchdat & 0xff](fetchdat);
+}
+static int
+opESCAPE_de_a32(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_de_a32[fetchdat & 0xff](fetchdat);
+}
+
+static int
+opESCAPE_df_a16(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_df_a16[fetchdat & 0xff](fetchdat);
+}
+static int
+opESCAPE_df_a32(uint32_t fetchdat)
+{
+    return x86_2386_opcodes_df_a32[fetchdat & 0xff](fetchdat);
+}
+
+static int
+opWAIT(uint32_t fetchdat)
+{
+    if ((cr0 & 0xa) == 0xa) {
+        x86_int(7);
+        return 1;
+    }
+
+#if 0
+    if (!cpu_use_dynarec && fpu_softfloat) {
+#endif
+    if (fpu_softfloat) {
+        if (fpu_state.swd & FPU_SW_Summary) {
+            if (cr0 & 0x20) {
+                x86_int(16);
+                return 1;
+            }
+        }
+    }
+    CLOCK_CYCLES(4);
+    return 0;
+}