6502/EightBit
1
0
Fork 0
mirror of https://github.com/MoleskiCoder/EightBit.git synced 2024-12-23 00:29:47 +00:00
Code Issues Projects Releases Wiki Activity

Modify some of the Z80 daa code to better reflect bool/integer differences.

Browse Source 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
This commit is contained in:
Adrian.Conlon 2017-07-20 12:17:03 +01:00
parent 1ee9a010b5
commit bbbde22322
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Z80/src/Z80.cpp
View File

@ -479,8 +479,8 @@ void EightBit::Z80::daa(uint8_t& a, uint8_t& f) {
auto updated = a;
auto lowAdjust = (f & HC) | (lowNibble(a) > 9);
auto highAdjust = (f & CF) | (a > 0x99);
auto lowAdjust = (f & HC) || (lowNibble(a) > 9);
auto highAdjust = (f & CF) || (a > 0x99);
if (f & NF) {
if (lowAdjust)
@ -494,7 +494,7 @@ void EightBit::Z80::daa(uint8_t& a, uint8_t& f) {
updated += 0x60;
}
f = (f & (CF | NF)) | (a > 0x99) | ((a ^ updated) & HC);
f = (f & (CF | NF)) | (a > 0x99 ? CF : 0) | ((a ^ updated) & HC);
a = updated;
adjustSZPXY<Z80>(f, a);