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(MESS) snes: legacy code for CX4 is better than no code at all... nw

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This commit is contained in:
Fabio Priuli 2013-03-11 06:45:32 +00:00
parent 499bed06cd
commit 658569ea88
2 changed files with 19 additions and 3 deletions
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20
src/mess/drivers/snes.c
View File

@ -2226,12 +2226,16 @@ READ8_MEMBER( snsnew_state::snesnew_lo_r )
return m_slotcart->m_cart->chip_read(space, offset);
else if (m_slotcart->get_type() == SNES_SRTC
&& (offset < 0x400000 && (offset & 0xffff) == 0x2800))
return m_slotcart->m_cart->chip_read(space, offset & 0xffff);
return m_slotcart->m_cart->chip_read(space, offset & 0xffff);
else if (m_slotcart->get_type() == SNES_CX4
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)) // hack until we emulate the real CPU
return CX4_read((offset & 0xffff) - 0x6000);
else
{
switch (m_type)
{
case SNES_MODE20:
case SNES_CX4:
case SNES_ST010:
case SNES_ST011:
case SNES_DSP:
@ -2294,7 +2298,10 @@ READ8_MEMBER( snsnew_state::snesnew_hi_r )
return m_slotcart->m_cart->chip_read(space, offset);
else if (m_slotcart->get_type() == SNES_SRTC
&& (offset < 0x400000 && (offset & 0xffff) == 0x2800))
return m_slotcart->m_cart->chip_read(space, offset & 0xffff);
return m_slotcart->m_cart->chip_read(space, offset & 0xffff);
else if (m_slotcart->get_type() == SNES_CX4
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)) // hack until we emulate the real CPU
return CX4_read((offset & 0xffff) - 0x6000);
else if ((m_slotcart->get_type() == SNES_POKEMON || m_slotcart->get_type() == SNES_BANANA)
&& (offset & 0x70000) == 0x0000)
{
@ -2306,6 +2313,7 @@ READ8_MEMBER( snsnew_state::snesnew_hi_r )
switch (m_type)
{
case SNES_MODE20:
case SNES_CX4:
case SNES_ST010:
case SNES_ST011:
case SNES_DSP:
@ -2369,6 +2377,9 @@ WRITE8_MEMBER( snsnew_state::snesnew_lo_w )
else if (m_slotcart->get_type() == SNES_SRTC
&& (offset < 0x400000 && (offset & 0xffff) == 0x2801))
m_slotcart->m_cart->chip_write(space, offset & 0xffff, data);
else if (m_slotcart->get_type() == SNES_CX4
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)) // hack until we emulate the real CPU
CX4_write(space.machine(), (offset & 0xffff) - 0x6000, data);
else if (m_slotcart->get_type() == SNES_BANANA
&& (offset & 0x78000) == 0x8000)
{
@ -2380,6 +2391,7 @@ WRITE8_MEMBER( snsnew_state::snesnew_lo_w )
switch (m_type)
{
case SNES_MODE20:
case SNES_CX4:
case SNES_ST010:
case SNES_ST011:
case SNES_DSP:
@ -2448,6 +2460,9 @@ WRITE8_MEMBER( snsnew_state::snesnew_hi_w )
else if (m_slotcart->get_type() == SNES_SRTC
&& (offset < 0x400000 && (offset & 0xffff) == 0x2801))
m_slotcart->m_cart->chip_write(space, offset & 0xffff, data);
else if (m_slotcart->get_type() == SNES_CX4
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)) // hack until we emulate the real CPU
CX4_write(space.machine(), (offset & 0xffff) - 0x6000, data);
else if ((m_slotcart->get_type() == SNES_POKEMON)
&& (offset & 0x70000) == 0x0000)
{
@ -2459,6 +2474,7 @@ WRITE8_MEMBER( snsnew_state::snesnew_hi_w )
switch (m_type)
{
case SNES_MODE20:
case SNES_CX4:
case SNES_ST010:
case SNES_ST011:
case SNES_DSP:

2
src/mess/machine/sns_slot.c
View File

@ -804,7 +804,7 @@ int base_sns_cart_slot_device::get_cart_type(UINT8 *ROM, UINT32 len)
case SNES_ST010:
case SNES_ST011:
case SNES_ST018:
case SNES_CX4:
// case SNES_CX4:
printf("This type of cart requires the dump of on-cart CPU. You need to load it from softlist!\n");
type = SNES_MODE20;
break;