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direct update handler is not being used in snes, therefore removed together with snes_ram variable (nw)

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This commit is contained in:
Miodrag Milanovic 2013-03-11 09:17:39 +00:00
parent d2c1eee68c
commit 0d71457a82
3 changed files with 0 additions and 30 deletions
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2
src/mame/includes/snes.h
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@ -761,6 +761,4 @@ extern MACHINE_RESET( snes );
DECLARE_READ8_HANDLER( snes_open_bus_r );
extern UINT8 *snes_ram; /* Main memory */
#endif /* _SNES_H_ */

26
src/mame/machine/snes.c
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@ -28,12 +28,8 @@
#include "audio/snes_snd.h"
/* -- Globals -- */
UINT8 *snes_ram = NULL; /* 65816 ram */
#define DMA_REG(a) m_dma_regs[a - 0x4300] // regs 0x4300-0x437f
void snes_state::video_start()
{
m_ppu.ppu_start(machine());
@ -1055,20 +1051,6 @@ void snes_state::snes_init_ram()
m_ppu.m_beam.current_vert = SNES_VTOTAL_PAL;
}
#if 0
DIRECT_UPDATE_MEMBER(snes_state::snes_spc_direct)
{
direct.explicit_configure(0x0000, 0xffff, 0xffff, spc_get_ram(machine().device("spc700")));
return ~0;
}
#endif
DIRECT_UPDATE_MEMBER(snes_state::snes_direct)
{
direct.explicit_configure(0x0000, 0xffff, 0xffff, snes_ram);
return ~0;
}
MACHINE_START( snes )
{
snes_state *state = machine.driver_data<snes_state>();
@ -1078,9 +1060,6 @@ MACHINE_START( snes )
state->m_spc700 = machine.device<snes_sound_device>("spc700");
state->m_superfx = machine.device<cpu_device>("superfx");
state->m_maincpu->space(AS_PROGRAM).set_direct_update_handler(direct_update_delegate(FUNC(snes_state::snes_direct), state));
// state->m_soundcpu->space(AS_PROGRAM).set_direct_update_handler(direct_update_delegate(FUNC(snes_state::snes_spc_direct), state));
// power-on sets these registers like this
SNES_CPU_REG_STATE(WRIO) = 0xff;
// SNES_CPU_REG_STATE(WRMPYA) = 0xff;
@ -1201,8 +1180,6 @@ void snes_state::rom_map_setup(UINT32 size)
/* for mame we use an init, maybe we will need more for the different games */
DRIVER_INIT_MEMBER(snes_state,snes)
{
snes_ram = auto_alloc_array_clear(machine(), UINT8, 0x1400000);
m_cart[0].m_rom_size = memregion("user3")->bytes();
m_cart[0].m_rom = memregion("user3")->base();
rom_map_setup(m_cart[0].m_rom_size);
@ -1225,9 +1202,6 @@ DRIVER_INIT_MEMBER(snes_state,snes)
DRIVER_INIT_MEMBER(snes_state,snes_hirom)
{
snes_ram = auto_alloc_array(machine(), UINT8, 0x1400000);
memset(snes_ram, 0, 0x1400000);
m_cart[0].m_rom_size = memregion("user3")->bytes();
m_cart[0].m_rom = memregion("user3")->base();
rom_map_setup(m_cart[0].m_rom_size);

2
src/mess/machine/snescart.c
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@ -899,8 +899,6 @@ MACHINE_CONFIG_END
DRIVER_INIT_MEMBER(snes_state,snes_mess)
{
snes_ram = machine().root_device().memregion("maincpu")->base();
memset(snes_ram, 0, 0x1000000);
}
DRIVER_INIT_MEMBER(snes_state,snesst)