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Fixed Model 3 Real3D DMA source addressing

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This commit is contained in:
Phil Bennett 2009-06-29 23:03:49 +00:00
parent a42c1c0299
commit da382ee6b2
1 changed files with 12 additions and 12 deletions
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24
src/mame/video/model3.c
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@ -824,9 +824,9 @@ void real3d_display_list1_dma(const address_space *space, UINT32 src, UINT32 dst
for(i=0; i < length; i+=4) {
UINT32 w;
if (byteswap) {
w = BYTE_REVERSE32(memory_read_dword(space, src^4));
w = BYTE_REVERSE32(memory_read_dword(space, src));
} else {
w = memory_read_dword(space, src^4);
w = memory_read_dword(space, src);
}
display_list_ram[d++] = w;
src += 4;
@ -840,9 +840,9 @@ void real3d_display_list2_dma(const address_space *space, UINT32 src, UINT32 dst
for(i=0; i < length; i+=4) {
UINT32 w;
if (byteswap) {
w = BYTE_REVERSE32(memory_read_dword(space, src^4));
w = BYTE_REVERSE32(memory_read_dword(space, src));
} else {
w = memory_read_dword(space, src^4);
w = memory_read_dword(space, src);
}
culling_ram[d++] = w;
src += 4;
@ -856,11 +856,11 @@ void real3d_vrom_texture_dma(const address_space *space, UINT32 src, UINT32 dst,
UINT32 address, header;
if (byteswap) {
address = BYTE_REVERSE32(memory_read_dword(space, (src+0)^4));
header = BYTE_REVERSE32(memory_read_dword(space, (src+4)^4));
address = BYTE_REVERSE32(memory_read_dword(space, (src+0)));
header = BYTE_REVERSE32(memory_read_dword(space, (src+4)));
} else {
address = memory_read_dword(space, (src+0)^4);
header = memory_read_dword(space, (src+4)^4);
address = memory_read_dword(space, (src+0));
header = memory_read_dword(space, (src+4));
}
real3d_upload_texture(header, (UINT32*)&model3_vrom[address]);
}
@ -872,9 +872,9 @@ void real3d_texture_fifo_dma(const address_space *space, UINT32 src, int length,
for(i=0; i < length; i+=4) {
UINT32 w;
if (byteswap) {
w = BYTE_REVERSE32(memory_read_dword(space, src^4));
w = BYTE_REVERSE32(memory_read_dword(space, src));
} else {
w = memory_read_dword(space, src^4);
w = memory_read_dword(space, src);
}
texture_fifo[texture_fifo_pos] = w;
texture_fifo_pos++;
@ -889,9 +889,9 @@ void real3d_polygon_ram_dma(const address_space *space, UINT32 src, UINT32 dst,
for(i=0; i < length; i+=4) {
UINT32 w;
if (byteswap) {
w = BYTE_REVERSE32(memory_read_dword(space, src^4));
w = BYTE_REVERSE32(memory_read_dword(space, src));
} else {
w = memory_read_dword(space, src^4);
w = memory_read_dword(space, src);
}
polygon_ram[d++] = w;
src += 4;