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specpdq: Better boundaries, still some pattern offset issues [O. Galibert]

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This commit is contained in:
Olivier Galibert 2019-01-04 11:51:47 +01:00
parent d063957f85
commit c7022e32ed
1 changed files with 15 additions and 13 deletions
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28
src/devices/bus/nubus/nubus_specpdq.cpp
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@ -368,8 +368,10 @@ WRITE32_MEMBER( nubus_specpdq_device::specpdq_w )
case 0x18103d:
case 0x18103e:
case 0x18103f:
if(offset == 0x181000)
if(offset == 0x181000) {
machine().debug_break();
logerror("Pattern %08x @ %x\n", data ^ 0xffffffff, offset);
}
m_fillbytes[((offset&0x3f)*4)] = ((data>>24) & 0xff) ^ 0xff;
m_fillbytes[((offset&0x3f)*4)+1] = ((data>>16) & 0xff) ^ 0xff;
m_fillbytes[((offset&0x3f)*4)+2] = ((data>>8) & 0xff) ^ 0xff;
@ -378,11 +380,11 @@ WRITE32_MEMBER( nubus_specpdq_device::specpdq_w )
// blitter control
case 0x182006:
logerror("%08x (%d) to blitter ctrl 1 %s\n", data^0xffffffff, data^0xffffffff, machine().describe_context());
logerror("%08x (%d) to blitter ctrl 1 %s rectangle\n", data^0xffffffff, data^0xffffffff, machine().describe_context());
break;
case 0x182008:
logerror("%08x (%d) to blitter ctrl 2 %s\n", data^0xffffffff, data^0xffffffff, machine().describe_context());
logerror("%08x (%d) to blitter ctrl 2 %s rectangle\n", data^0xffffffff, data^0xffffffff, machine().describe_context());
m_patofsx = (data ^ 0xffffffff) & 7;
m_patofsy = ((data ^ 0xffffffff)>>3) & 7;
break;
@ -417,17 +419,17 @@ WRITE32_MEMBER( nubus_specpdq_device::specpdq_w )
if (data == 2)
{
int x, y;
uint8_t *vram = &m_vram[(m_vram_addr + m_patofsx) & ~3]; // m_vram_addr is missing the low 2 bits, we add them back here
uint8_t *vram = &m_vram[m_vram_addr & ~3];
int ddx = (m_vram_addr + m_patofsx) & 3;
int ddx = m_vram_addr & 3;
logerror("Fill rectangle with %02x %02x %02x %02x, width %d height %d\n", m_fillbytes[0], m_fillbytes[1], m_fillbytes[2], m_fillbytes[3], m_width, m_height);
logerror("Fill rectangle with %02x %02x %02x %02x, adr %x (%d, %d) width %d height %d delta %d %d\n", m_fillbytes[0], m_fillbytes[1], m_fillbytes[2], m_fillbytes[3], m_vram_addr, m_vram_addr % 1152, m_vram_addr / 1152, m_width, m_height, m_patofsx, m_patofsy);
for (y = 0; y < m_height; y++)
for (y = 0; y <= m_height; y++)
{
for (x = 0; x < m_width; x++)
for (x = 0; x <= m_width; x++)
{
vram[(y * 1152)+BYTE4_XOR_BE(x + ddx)] = m_fillbytes[((m_patofsx + x) & 0x1f)+(((m_patofsy + y) & 0x7)*32)];
vram[(y * 1152)+BYTE4_XOR_BE(x + ddx)] = m_fillbytes[((m_patofsx + x) & 0x1f)+(((m_patofsy + y) & 0x7) << 5)];
}
}
}
@ -440,11 +442,11 @@ WRITE32_MEMBER( nubus_specpdq_device::specpdq_w )
int sdx = m_vram_src & 3;
int ddx = m_vram_addr & 3;
logerror("Copy rectangle forwards, width %d height %d src %x dst %x mode %03x\n", m_width, m_height, m_vram_addr, m_vram_src, data);
logerror("Copy rectangle forwards, width %d height %d dst %x (%d, %d) src %x (%d, %d)\n", m_width, m_height, m_vram_addr, m_vram_addr % 1152, m_vram_addr / 1152, m_vram_src, m_vram_src % 1152, m_vram_src / 1152);
for (y = 0; y < m_height; y++)
for (y = 0; y <= m_height; y++)
{
for (x = 0; x < m_width; x++)
for (x = 0; x <= m_width; x++)
{
vram[(y * 1152)+BYTE4_XOR_BE(x + ddx)] = vramsrc[(y * 1152)+BYTE4_XOR_BE(x + sdx)];
}
@ -460,7 +462,7 @@ WRITE32_MEMBER( nubus_specpdq_device::specpdq_w )
int sdx = m_vram_src & 3;
int ddx = m_vram_addr & 3;
logerror("Copy rectangle backwards, width %d height %d src %x dst %x mode %03x\n", m_width, m_height, m_vram_addr, m_vram_src, data);
logerror("Copy rectangle backwards, width %d height %d dst %x (%d, %d) src %x (%d, %d)\n", m_width, m_height, m_vram_addr, m_vram_addr % 1152, m_vram_addr / 1152, m_vram_src, m_vram_src % 1152, m_vram_src / 1152);
for (y = 0; y < m_height; y++)
{