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e132xs: implemented mov op in drc, nw

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This commit is contained in:
mooglyguy 2017-12-02 04:53:21 +01:00
parent 2e79c87e26
commit bd7c954a3a
1 changed files with 58 additions and 0 deletions
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58
src/devices/cpu/e132xs/e132xsdrc_ops.hxx
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@ -3,6 +3,8 @@
#include "e132xs.h"
constexpr uint32_t WRITE_ONLY_REGMASK = (1 << BCR_REGISTER) | (1 << TPR_REGISTER) | (1 << FCR_REGISTER) | (1 << MCR_REGISTER);
void hyperstone_device::generate_check_delay_pc(drcuml_block *block)
{
/* if PC is used in a delay instruction, the delayed PC should be used */
@ -516,6 +518,62 @@ void hyperstone_device::generate_cmp(drcuml_block *block, compiler_state *compil
template <hyperstone_device::reg_bank DST_GLOBAL, hyperstone_device::reg_bank SRC_GLOBAL>
void hyperstone_device::generate_mov(drcuml_block *block, compiler_state *compiler, const opcode_desc *desc)
{
uint16_t op = desc->opptr.w[0];
const uint32_t src_code = op & 0xf;
const uint32_t dst_code = (op & 0xf0) >> 4;
generate_check_delay_pc(block);
if (DST_GLOBAL)
{
int no_exception;
UML_TEST(block, DRC_SR, H_MASK);
UML_JMPc(block, uml::COND_Z, no_exception = compiler->m_labelnum++);
UML_TEST(block, DRC_SR, S_MASK);
UML_JMPc(block, uml::COND_NZ, no_exception);
UML_EXH(block, *m_exception[EXCEPTION_PRIVILEGE_ERROR], 0);
UML_LABEL(block, no_exception);
}
if (!SRC_GLOBAL || !DST_GLOBAL)
UML_ROLAND(block, I1, DRC_SR, 7, 0x7f);
if (SRC_GLOBAL)
{
UML_TEST(block, DRC_SR, H_MASK);
UML_MOVc(block, uml::COND_NZ, I1, 16 + src_code);
UML_MOVc(block, uml::COND_Z, I1, src_code);
UML_LOAD(block, I5, (void *)m_global_regs, I1, SIZE_DWORD, SCALE_x4);
UML_SHL(block, I2, 1, I1);
UML_TEST(block, I2, WRITE_ONLY_REGMASK);
UML_MOVc(block, uml::COND_NZ, I5, 0);
}
else
{
UML_ADD(block, I2, I1, src_code);
UML_AND(block, I2, I2, 0x3f);
UML_LOAD(block, I5, (void *)m_local_regs, I2, SIZE_DWORD, SCALE_x4);
}
UML_AND(block, DRC_SR, DRC_SR, ~(Z_MASK | N_MASK));
UML_TEST(block, I3, ~0);
UML_SETc(block, uml::COND_Z, I2);
UML_ROLINS(block, DRC_SR, I2, 0, Z_MASK);
UML_ROLINS(block, DRC_SR, I3, 3, N_MASK);
if (DST_GLOBAL)
{
UML_TEST(block, DRC_SR, H_MASK);
UML_MOVc(block, uml::COND_NZ, I4, 16 + dst_code);
UML_MOVc(block, uml::COND_Z, I4, dst_code);
generate_set_global_register(block, compiler, desc);
}
else
{
UML_ADD(block, I2, I1, dst_code);
UML_AND(block, I2, I2, 0x3f);
UML_STORE(block, (void *)m_local_regs, I2, I5, SIZE_DWORD, SCALE_x4);
}
}