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author Ville Linde <villedevs@gmail.com>2016-02-03 02:04:05 +0200
committer Ville Linde <villedevs@gmail.com>2016-02-03 02:08:16 +0200
commitc35aa629e35879c9475f05ed5a8f7d203b6f47f9 (patch)
tree619e238c8f492356a98b688ea53be222c49d3544 /src/mame/drivers/nwk-tr.cpp
parent1913d6add124f21b438de9526253f2bebbec19a8 (diff)
nwk-tr: fix network ram test (nw)
Diffstat (limited to 'src/mame/drivers/nwk-tr.cpp')
-rw-r--r--src/mame/drivers/nwk-tr.cpp11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/mame/drivers/nwk-tr.cpp b/src/mame/drivers/nwk-tr.cpp
index 9ec6ba6f9c4..a64c10fd96a 100644
--- a/src/mame/drivers/nwk-tr.cpp
+++ b/src/mame/drivers/nwk-tr.cpp
@@ -304,6 +304,7 @@ public:
int m_fpga_uploaded;
int m_lanc2_ram_r;
int m_lanc2_ram_w;
+ UINT8 m_lanc2_reg[3];
std::unique_ptr<UINT8[]> m_lanc2_ram;
std::unique_ptr<UINT32[]> m_sharc_dataram;
DECLARE_WRITE32_MEMBER(paletteram32_w);
@@ -521,6 +522,7 @@ WRITE32_MEMBER(nwktr_state::lanc2_w)
((value << 7) & 0x80);
m_fpga_uploaded = 1;
+ m_lanc2_reg[0] = (UINT8)(data >> 24);
//printf("lanc2_fpga_w: %02X at %08X\n", value, space.device().safe_pc());
}
@@ -528,11 +530,16 @@ WRITE32_MEMBER(nwktr_state::lanc2_w)
{
m_lanc2_ram_r = 0;
m_lanc2_ram_w = 0;
+ m_lanc2_reg[1] = (UINT8)(data >> 8);
}
else if (ACCESSING_BITS_16_23)
{
- m_lanc2_ram[2] = (data >> 20) & 0xf;
- m_lanc2_ram[3] = 0;
+ if (m_lanc2_reg[0] != 0)
+ {
+ m_lanc2_ram[2] = (data >> 20) & 0xf;
+ m_lanc2_ram[3] = 0;
+ }
+ m_lanc2_reg[2] = (UINT8)(data >> 16);
}
else if (ACCESSING_BITS_0_7)
{