diff options
author | Miodrag Milanovic <mmicko@gmail.com> | 2013-02-11 07:44:56 +0000 |
---|---|---|
committer | Miodrag Milanovic <mmicko@gmail.com> | 2013-02-11 07:44:56 +0000 |
commit | a440a8e0200a36491ae540f6f00beae59c148549 (patch) | |
tree | b4c31ebadaa2857396c37178674086420bf1658f /src/emu/cpu/dsp16/dsp16ops.c | |
parent | 4b0b4e6b2fa7eb5105859f561354662d479f53be (diff) |
Cleanups and version bumpmame0148u1
Diffstat (limited to 'src/emu/cpu/dsp16/dsp16ops.c')
-rw-r--r-- | src/emu/cpu/dsp16/dsp16ops.c | 126 |
1 files changed, 63 insertions, 63 deletions
diff --git a/src/emu/cpu/dsp16/dsp16ops.c b/src/emu/cpu/dsp16/dsp16ops.c index 778d0b7b1af..4bd704bade9 100644 --- a/src/emu/cpu/dsp16/dsp16ops.c +++ b/src/emu/cpu/dsp16/dsp16ops.c @@ -49,24 +49,24 @@ bool dsp16_device::conditionTest(const UINT8& CON) { switch (CON) { - case 0x00: return (m_psw & 0x8000); // mi (negative result) - case 0x01: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // pl (positive result) - case 0x02: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // eq (result == 0) - case 0x03: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // ne (result != 0) - case 0x04: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // lvs (logical overflow set) - case 0x05: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // lvc (logical overflow clear) - case 0x06: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // mvs (math. overflow set) - case 0x07: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // mvc (math. overflow clear) - case 0x08: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // heads (random bit set) - case 0x09: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // tails (random bit clear) - case 0x0a: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // c0ge (counter0 >= 0) - case 0x0b: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // c0lt (counter0 < 0) - case 0x0c: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // c1ge (counter1 >= 0) - case 0x0d: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // c1lt (counter1 < 0) - case 0x0e: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // true (always) - case 0x0f: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // false (never) - case 0x10: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // gt (result > 0 - case 0x11: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // le (result <= 0) + case 0x00: return (m_psw & 0x8000); // mi (negative result) + case 0x01: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // pl (positive result) + case 0x02: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // eq (result == 0) + case 0x03: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // ne (result != 0) + case 0x04: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // lvs (logical overflow set) + case 0x05: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // lvc (logical overflow clear) + case 0x06: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // mvs (math. overflow set) + case 0x07: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // mvc (math. overflow clear) + case 0x08: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // heads (random bit set) + case 0x09: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // tails (random bit clear) + case 0x0a: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // c0ge (counter0 >= 0) + case 0x0b: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // c0lt (counter0 < 0) + case 0x0c: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // c1ge (counter1 >= 0) + case 0x0d: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // c1lt (counter1 < 0) + case 0x0e: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // true (always) + case 0x0f: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // false (never) + case 0x10: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // gt (result > 0 + case 0x11: printf("UNIMPLEMENTED condition check @ PC 0x%04x\n", m_pc); return false; // le (result <= 0) default: logerror("Unrecognized condition at PC=0x%04x\n", m_pc); break; } return false; @@ -112,11 +112,11 @@ void* dsp16_device::registerFromRTable(const UINT8 &R) case 0x10: return (void*)&m_x; case 0x11: return (void*)&m_y; case 0x12: return (void*)addressYL(); - case 0x13: return (void*)&m_auc; // zero extended + case 0x13: return (void*)&m_auc; // zero extended case 0x14: return (void*)&m_psw; - case 0x15: return (void*)&m_c0; // sign extended - case 0x16: return (void*)&m_c1; // sign extended - case 0x17: return (void*)&m_c2; // sign extended + case 0x15: return (void*)&m_c0; // sign extended + case 0x16: return (void*)&m_c1; // sign extended + case 0x17: return (void*)&m_c2; // sign extended case 0x18: return (void*)&m_sioc; case 0x19: return (void*)&m_srta; case 0x1a: return (void*)&m_sdx; @@ -137,20 +137,20 @@ void dsp16_device::executeF1Field(const UINT8& F1, const UINT8& D, const UINT8& //UINT64* destinationReg = NULL; //switch (D) //{ - // case 0x00: destinationReg = &m_a0; - // case 0x01: destinationReg = &m_a1; - // default: break; + // case 0x00: destinationReg = &m_a0; + // case 0x01: destinationReg = &m_a1; + // default: break; //} // Which source is being used? //UINT64* sourceReg = NULL; //switch (S) //{ - // case 0x00: sourceReg = &m_a0; - // case 0x01: sourceReg = &m_a1; - // default: break; + // case 0x00: sourceReg = &m_a0; + // case 0x01: sourceReg = &m_a1; + // default: break; //} - + switch (F1) { case 0x00: printf("UNIMPLEMENTED F1 operation @ PC 0x%04x\n", m_pc); break; @@ -201,7 +201,7 @@ void dsp16_device::executeYFieldPost(const UINT8& Y) case 0x03: opReg = &m_r3; break; default: break; } - + const UINT8 lower = Y & 0x03; switch (lower) { @@ -341,7 +341,7 @@ void dsp16_device::execute_one(const UINT16& op, UINT8& cycles, UINT8& pcAdvance case 0x00: m_pt++; break; case 0x01: m_pt += m_i; break; } - cycles = 2; // TODO: 1 if cached + cycles = 2; // TODO: 1 if cached pcAdvance = 1; break; } @@ -355,15 +355,15 @@ void dsp16_device::execute_one(const UINT16& op, UINT8& cycles, UINT8& pcAdvance const UINT8 F1 = (op & 0x01e0) >> 5; bool useA1 = (opcode == 0x1b); if (Y != 0x00) printf("Unknown opcode @ PC=0x%04x", m_pc); - m_y = (useA1) ? (m_a1 & 0xffffffff) : (m_a0 & 0xffffffff); // TODO: What happens to Ax when it goes 32 bit (pc=3f & pc=47)? + m_y = (useA1) ? (m_a1 & 0xffffffff) : (m_a0 & 0xffffffff); // TODO: What happens to Ax when it goes 32 bit (pc=3f & pc=47)? executeF1Field(F1, D, S); - writeRegister(&m_x, data_read(m_pt)); // TODO: EXM Pin & internal/external ROM? Research. + writeRegister(&m_x, data_read(m_pt)); // TODO: EXM Pin & internal/external ROM? Research. switch (X) { case 0x00: m_pt++; break; case 0x01: m_pt += m_i; break; } - cycles = 2; // TODO: 1 if cached + cycles = 2; // TODO: 1 if cached pcAdvance = 1; break; } @@ -425,30 +425,30 @@ void dsp16_device::execute_one(const UINT16& op, UINT8& cycles, UINT8& pcAdvance const UINT8 S = (op & 0x0200) >> 9; const UINT8 D = (op & 0x0400) >> 10; const UINT8 F1 = (op & 0x01e0) >> 5; - executeF1Field(F1, D, S); - UINT16 temp = 0x0000; - UINT16* rN = (UINT16*)registerFromYFieldUpper(Z); - switch (X) - { - case 0x00: - temp = m_y & 0x0000ffff; - m_y &= 0xffff0000; - m_y |= data_read(*rN); - executeZFieldPartOne(Z, rN); - data_write(*rN, temp); - executeZFieldPartTwo(Z, rN); - break; - case 0x01: - temp = (m_y & 0xffff0000) >> 16; - m_y &= 0x0000ffff; - m_y |= (data_read(*rN) << 16); - executeZFieldPartOne(Z, rN); - data_write(*rN, temp); - executeZFieldPartTwo(Z, rN); - break; - } - cycles = 2; - pcAdvance = 1; + executeF1Field(F1, D, S); + UINT16 temp = 0x0000; + UINT16* rN = (UINT16*)registerFromYFieldUpper(Z); + switch (X) + { + case 0x00: + temp = m_y & 0x0000ffff; + m_y &= 0xffff0000; + m_y |= data_read(*rN); + executeZFieldPartOne(Z, rN); + data_write(*rN, temp); + executeZFieldPartTwo(Z, rN); + break; + case 0x01: + temp = (m_y & 0xffff0000) >> 16; + m_y &= 0x0000ffff; + m_y |= (data_read(*rN) << 16); + executeZFieldPartOne(Z, rN); + data_write(*rN, temp); + executeZFieldPartTwo(Z, rN); + break; + } + cycles = 2; + pcAdvance = 1; break; } case 0x1d: @@ -539,7 +539,7 @@ void dsp16_device::execute_one(const UINT16& op, UINT8& cycles, UINT8& pcAdvance // if CON [goto/call/return] : (page 3-22) const UINT8 CON = (op & 0x001f); bool conditionFulfilled = conditionTest(CON); - cycles = 3; // TODO: This may need to interact with the next opcode to make sure it doesn't exceed 3? + cycles = 3; // TODO: This may need to interact with the next opcode to make sure it doesn't exceed 3? pcAdvance = 1; if (!conditionFulfilled) { @@ -577,7 +577,7 @@ void dsp16_device::execute_one(const UINT16& op, UINT8& cycles, UINT8& pcAdvance } void* sourceReg = registerFromRTable(R); *destinationReg &= U64(0x00000ffff); - *destinationReg |= (*(UINT16*)sourceReg) << 16; // TODO: Fix for all registers + *destinationReg |= (*(UINT16*)sourceReg) << 16; // TODO: Fix for all registers if (*(UINT16*)sourceReg & 0x8000) *destinationReg |= U64(0xf00000000); // TODO: Special function encoding @@ -639,7 +639,7 @@ void dsp16_device::execute_one(const UINT16& op, UINT8& cycles, UINT8& pcAdvance const INT8 M = (op & 0x00ff); const UINT8 R = (op & 0x0e00) >> 9; void* reg = registerFromRImmediateField(R); - writeRegister(reg, (INT16)M); // Sign extend 8 bit int + writeRegister(reg, (INT16)M); // Sign extend 8 bit int cycles = 1; pcAdvance = 1; break; @@ -656,14 +656,14 @@ void dsp16_device::execute_one(const UINT16& op, UINT8& cycles, UINT8& pcAdvance // Do m_cacheStart = m_pc + 1; m_cacheEnd = m_pc + NI + 1; - m_cacheIterations = K-1; // -1 because we check the counter @ the end + m_cacheIterations = K-1; // -1 because we check the counter @ the end cycles = 1; pcAdvance = 1; } else { // Redo - m_cacheIterations = K-1; // -1 because we check the counter @ the end + m_cacheIterations = K-1; // -1 because we check the counter @ the end m_cacheRedoNextPC = m_pc + 1; m_pc = m_cacheStart; pcAdvance = 0; |