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tiny speed recover... nw.

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This commit is contained in:
Fabio Priuli 2013-03-16 10:45:47 +00:00
parent 99667981f8
commit 7b63c12a73
1 changed files with 17 additions and 9 deletions
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26
src/mess/machine/sns_upd.c
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@ -12,6 +12,17 @@
#include "emu.h"
#include "machine/sns_upd.h"
// helpers
inline UINT32 get_prg(UINT8 *CPU, UINT32 addr)
{
return ((CPU[addr * 4] << 24) | (CPU[addr * 4 + 1] << 16) | (CPU[addr * 4 + 2] << 8) | 0x00);
}
inline UINT16 get_data(UINT8 *CPU, UINT32 addr)
{
return ((CPU[addr * 2] << 8) | CPU[addr * 2 + 1]);
}
//-------------------------------------------------
// constructor
//-------------------------------------------------
@ -89,13 +100,12 @@ void sns_rom_setadsp_device::device_start()
// DSP dump contains prg at offset 0 and data at offset 0x2000
READ32_MEMBER( sns_rom20_necdsp_device::necdsp_prg_r )
{
return (m_bios[offset * 4] << 24) | (m_bios[offset * 4 + 1] << 16) |
(m_bios[offset * 4 + 2] << 8) | 0x00;
return get_prg(m_bios, offset);
}
READ16_MEMBER( sns_rom20_necdsp_device::necdsp_data_r )
{
return (m_bios[0x2000 + offset * 2] << 8) | m_bios[0x2000 + offset * 2 + 1];
return get_data(m_bios, offset + 0x2000/2);
}
@ -156,13 +166,12 @@ WRITE8_MEMBER( sns_rom20_necdsp_device::chip_write )
// DSP dump contains prg at offset 0 and data at offset 0x2000
READ32_MEMBER( sns_rom21_necdsp_device::necdsp_prg_r )
{
return (m_bios[offset * 4] << 24) | (m_bios[offset * 4 + 1] << 16) |
(m_bios[offset * 4 + 2] << 8) | 0x00;
return get_prg(m_bios, offset);
}
READ16_MEMBER( sns_rom21_necdsp_device::necdsp_data_r )
{
return (m_bios[0x2000 + offset * 2] << 8) | m_bios[0x2000 + offset * 2 + 1];
return get_data(m_bios, offset + 0x2000/2);
}
@ -276,13 +285,12 @@ WRITE8_MEMBER( sns_rom_setadsp_device::chip_write )
// DSP dump contains prg at offset 0 and data at offset 0x10000
READ32_MEMBER( sns_rom_setadsp_device::setadsp_prg_r )
{
return (m_bios[offset * 4] << 24) | (m_bios[offset * 4 + 1] << 16) |
(m_bios[offset * 4 + 2] << 8) | 0x00;
return get_prg(m_bios, offset);
}
READ16_MEMBER( sns_rom_setadsp_device::setadsp_data_r )
{
return (m_bios[0x10000 + offset * 2] << 8) | m_bios[0x10000 + offset * 2 + 1];
return get_data(m_bios, offset + 0x10000/2);
}