6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-07-02 20:30:00 +00:00
Code Issues Projects Releases Wiki Activity

I think the 68000 actually loads a byte value onto both the upper and lower data lines.

Browse Source
This commit is contained in:
Thomas Harte 2019-12-21 20:37:03 -05:00
parent 6f4444d834
commit 08f2877382
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Processors/68000/68000.hpp
View File

@ -224,8 +224,7 @@ struct Microcycle {
*/
forceinline uint16_t value16() const {
if(operation & SelectWord) return value->full;
const auto shift = byte_shift();
return uint16_t((value->halves.low << shift) | (0xff00 >> shift));
return uint16_t((value->halves.low << 8) | value->halves.low);
}
/*!
@ -237,7 +236,7 @@ struct Microcycle {
return uint8_t(value->full >> 8);
}
return uint8_t(value->halves.low | (0xff00 >> ((*address & 1) << 3)));
return value->halves.low;
}
/*!
@ -249,7 +248,7 @@ struct Microcycle {
return uint8_t(value->full);
}
return uint8_t(value->halves.low | (0x00ff << ((*address & 1) << 3)));
return value->halves.low;
}
/*!