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likely resolve sunplus crashes on linux (nw)

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This commit is contained in:
DavidHaywood 2020-01-31 00:14:49 +00:00 committed by Vas Crabb
parent 6b954e2120
commit a7b1549a08
2 changed files with 7 additions and 4 deletions
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9
src/devices/cpu/unsp/unsp.cpp
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@ -194,8 +194,6 @@ void unsp_device::device_start()
m_core = (internal_unsp_state *)m_cache.alloc_near(sizeof(internal_unsp_state)); m_core = (internal_unsp_state *)m_cache.alloc_near(sizeof(internal_unsp_state));
memset(m_core, 0, sizeof(internal_unsp_state)); memset(m_core, 0, sizeof(internal_unsp_state));
m_core->m_r.resize(m_numregs);
#if ENABLE_UNSP_DRC #if ENABLE_UNSP_DRC
m_enable_drc = allow_drc() && (m_iso < 12); m_enable_drc = allow_drc() && (m_iso < 12);
#else #else
@ -299,7 +297,12 @@ void unsp_20_device::device_start()
void unsp_device::device_reset() void unsp_device::device_reset()
{ {
for (int i = 0; i < m_numregs; i++) for (int i = 0; i < m_numregs; i++)
m_core->m_r[i] = 0; {
if (i < m_numregs)
m_core->m_r[i] = 0;
else
m_core->m_r[i] = 0xdeadbeef;
}
m_core->m_r[REG_PC] = read16(0xfff7); m_core->m_r[REG_PC] = read16(0xfff7);
m_core->m_enable_irq = 0; m_core->m_enable_irq = 0;

2
src/devices/cpu/unsp/unsp.h
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@ -164,7 +164,7 @@ protected:
struct internal_unsp_state struct internal_unsp_state
{ {
std::vector<u32> m_r; // why are these 32-bit? they're 16-bit regs? (changing to uint16_t causes crashes tho, so something is depending on this) uint32_t m_r[16]; // why are these 32-bit? they're 16-bit regs? (changing to uint16_t causes crashes tho, so something is depending on this)
uint32_t m_enable_irq; uint32_t m_enable_irq;
uint32_t m_enable_fiq; uint32_t m_enable_fiq;
uint32_t m_irq; uint32_t m_irq;