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author mamehaze <mamehaze@users.noreply.github.com>2014-12-09 14:37:02 +0000
committer mamehaze <mamehaze@users.noreply.github.com>2014-12-09 14:37:02 +0000
commit067104ef7f7ad8a9919287501d597ea552d84b79 (patch)
treebd54f2a65237c8689c481dfcde5dfd41ecafa3b7
parent96f6629dc58373873ca007ca21352432e7840fef (diff)
more arcompact (nw)
-rw-r--r--src/emu/cpu/arcompact/arcompactdasm.c129
1 files changed, 121 insertions, 8 deletions
diff --git a/src/emu/cpu/arcompact/arcompactdasm.c b/src/emu/cpu/arcompact/arcompactdasm.c
index aad8765bb2c..2e9d645106f 100644
--- a/src/emu/cpu/arcompact/arcompactdasm.c
+++ b/src/emu/cpu/arcompact/arcompactdasm.c
@@ -403,6 +403,31 @@ int arcompact_handle18_07_1d_dasm(DASM_OPS_16);
int arcompact_handle18_07_1e_dasm(DASM_OPS_16);
int arcompact_handle18_07_1f_dasm(DASM_OPS_16);
+int arcompact_handle19_00_dasm(DASM_OPS_16);
+int arcompact_handle19_01_dasm(DASM_OPS_16);
+int arcompact_handle19_02_dasm(DASM_OPS_16);
+int arcompact_handle19_03_dasm(DASM_OPS_16);
+
+int arcompact_handle1c_00_dasm(DASM_OPS_16);
+int arcompact_handle1c_01_dasm(DASM_OPS_16);
+
+int arcompact_handle1d_00_dasm(DASM_OPS_16);
+int arcompact_handle1d_01_dasm(DASM_OPS_16);
+
+int arcompact_handle1e_00_dasm(DASM_OPS_16);
+int arcompact_handle1e_01_dasm(DASM_OPS_16);
+int arcompact_handle1e_02_dasm(DASM_OPS_16);
+int arcompact_handle1e_03_dasm(DASM_OPS_16);
+
+int arcompact_handle1e_03_00_dasm(DASM_OPS_16);
+int arcompact_handle1e_03_01_dasm(DASM_OPS_16);
+int arcompact_handle1e_03_02_dasm(DASM_OPS_16);
+int arcompact_handle1e_03_03_dasm(DASM_OPS_16);
+int arcompact_handle1e_03_04_dasm(DASM_OPS_16);
+int arcompact_handle1e_03_05_dasm(DASM_OPS_16);
+int arcompact_handle1e_03_06_dasm(DASM_OPS_16);
+int arcompact_handle1e_03_07_dasm(DASM_OPS_16);
+
// condition codes (basic ones are the same as arc
@@ -2036,10 +2061,26 @@ int arcompact_handle18_07_1f_dasm(DASM_OPS_16) { print("<illegal 0x18_07_1f> (%
int arcompact_handle19_dasm(DASM_OPS_16)
{
- print("GP Instr (%04x)", op);
- return 2;
+ int size = 2;
+ UINT8 subinstr = (op & 0x0600) >> 9;
+ op &= ~0x0600;
+
+ switch (subinstr)
+ {
+ case 0x00: size = arcompact_handle19_00_dasm(DASM_PARAMS); break; // LD_S (GP)
+ case 0x01: size = arcompact_handle19_01_dasm(DASM_PARAMS); break; // LDB_S (GP)
+ case 0x02: size = arcompact_handle19_02_dasm(DASM_PARAMS); break; // LDW_S (GP)
+ case 0x03: size = arcompact_handle19_03_dasm(DASM_PARAMS); break; // ADD_S (GP)
+ }
+ return size;
}
+int arcompact_handle19_00_dasm(DASM_OPS_16) { print("LD_S r0 <- m[GP + s11].long (%04x)", op); return 2;}
+int arcompact_handle19_01_dasm(DASM_OPS_16) { print("LDB_S r0 <- m[GP + s9].byte (%04x)", op); return 2;}
+int arcompact_handle19_02_dasm(DASM_OPS_16) { print("LDW_S r0 <- m[GP + s10].word (%04x)", op); return 2;}
+int arcompact_handle19_03_dasm(DASM_OPS_16) { print("ADD_S r0 <- GP + s11 (%04x)", op); return 2;}
+
+
int arcompact_handle1a_dasm(DASM_OPS_16)
{
@@ -2055,22 +2096,94 @@ int arcompact_handle1b_dasm(DASM_OPS_16)
int arcompact_handle1c_dasm(DASM_OPS_16)
{
- print("ADD_S/CMP_S (%04x)", op);
- return 2;
+ int size = 2;
+ UINT8 subinstr = (op & 0x0080) >> 7;
+ op &= ~0x0080;
+
+ switch (subinstr)
+ {
+ case 0x00: size = arcompact_handle1c_00_dasm(DASM_PARAMS); break; // ADD_S
+ case 0x01: size = arcompact_handle1c_01_dasm(DASM_PARAMS); break; // CMP_S
+ }
+ return size;
}
+int arcompact_handle1c_00_dasm(DASM_OPS_16) { print("ADD_S b <- b + u7 (%04x)", op); return 2;}
+int arcompact_handle1c_01_dasm(DASM_OPS_16) { print("CMP_S b - u7 (%04x)", op); return 2;}
+
+
int arcompact_handle1d_dasm(DASM_OPS_16)
{
- print("BRcc_S (%04x)", op);
- return 2;
+ int size = 2;
+ UINT8 subinstr = (op & 0x0080) >> 7;
+ op &= ~0x0080;
+
+ switch (subinstr)
+ {
+ case 0x00: size = arcompact_handle1d_00_dasm(DASM_PARAMS); break; // BREQ_S
+ case 0x01: size = arcompact_handle1d_01_dasm(DASM_PARAMS); break; // BRNE_S
+ }
+ return size;
}
+int arcompact_handle1d_00_dasm(DASM_OPS_16) { print("BREQ_S (%04x)", op); return 2;}
+int arcompact_handle1d_01_dasm(DASM_OPS_16) { print("BRNE_S (%04x)", op); return 2;}
+
+
int arcompact_handle1e_dasm(DASM_OPS_16)
{
- print("Bcc_S (%04x)", op);
- return 2;
+ int size = 2;
+ UINT8 subinstr = (op & 0x0600) >> 9;
+ op &= ~0x0600;
+
+ switch (subinstr)
+ {
+ case 0x00: size = arcompact_handle1e_00_dasm(DASM_PARAMS); break; // B_S
+ case 0x01: size = arcompact_handle1e_01_dasm(DASM_PARAMS); break; // BEQ_S
+ case 0x02: size = arcompact_handle1e_02_dasm(DASM_PARAMS); break; // BNE_S
+ case 0x03: size = arcompact_handle1e_03_dasm(DASM_PARAMS); break; // Bcc_S
+ }
+ return size;
}
+int arcompact_handle1e_00_dasm(DASM_OPS_16) { print("B_S (%04x)", op); return 2;}
+int arcompact_handle1e_01_dasm(DASM_OPS_16) { print("BEQ_S (%04x)", op); return 2;}
+int arcompact_handle1e_02_dasm(DASM_OPS_16) { print("BNE_S (%04x)", op); return 2;}
+
+
+int arcompact_handle1e_03_dasm(DASM_OPS_16)
+{
+
+ int size = 2;
+ UINT8 subinstr2 = (op & 0x01c0) >> 6;
+ op &= ~0x01c0;
+
+ switch (subinstr2)
+ {
+ case 0x00: size = arcompact_handle1e_03_00_dasm(DASM_PARAMS); break; // BGT_S
+ case 0x01: size = arcompact_handle1e_03_01_dasm(DASM_PARAMS); break; // BGE_S
+ case 0x02: size = arcompact_handle1e_03_02_dasm(DASM_PARAMS); break; // BLT_S
+ case 0x03: size = arcompact_handle1e_03_03_dasm(DASM_PARAMS); break; // BLE_S
+ case 0x04: size = arcompact_handle1e_03_04_dasm(DASM_PARAMS); break; // BHI_S
+ case 0x05: size = arcompact_handle1e_03_05_dasm(DASM_PARAMS); break; // BHS_S
+ case 0x06: size = arcompact_handle1e_03_06_dasm(DASM_PARAMS); break; // BLO_S
+ case 0x07: size = arcompact_handle1e_03_07_dasm(DASM_PARAMS); break; // BLS_S
+ }
+ return size;
+
+}
+
+int arcompact_handle1e_03_00_dasm(DASM_OPS_16) { print("BGT_S (%04x)", op); return 2;}
+int arcompact_handle1e_03_01_dasm(DASM_OPS_16) { print("BGE_S (%04x)", op); return 2;}
+int arcompact_handle1e_03_02_dasm(DASM_OPS_16) { print("BLT_S (%04x)", op); return 2;}
+int arcompact_handle1e_03_03_dasm(DASM_OPS_16) { print("BLE_S (%04x)", op); return 2;}
+int arcompact_handle1e_03_04_dasm(DASM_OPS_16) { print("BHI_S (%04x)", op); return 2;}
+int arcompact_handle1e_03_05_dasm(DASM_OPS_16) { print("BHS_S (%04x)", op); return 2;}
+int arcompact_handle1e_03_06_dasm(DASM_OPS_16) { print("BLO_S (%04x)", op); return 2;}
+int arcompact_handle1e_03_07_dasm(DASM_OPS_16) { print("BLS_S (%04x)", op); return 2;}
+
+
+
int arcompact_handle1f_dasm(DASM_OPS_16)
{
print("BL_S (%04x)", op);