paoda
/
zba
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Compare commits

base: paoda:f7680cd82483d1bfd9b8c2b0df9f09a20dbdca82
Branches Tags
paoda:main
paoda:april-fools
paoda:window
paoda:apu-things
..
compare: paoda:77dba68a0b518ecade9cbdae60071a2d7ef1217a
Branches Tags
paoda:main
paoda:april-fools
paoda:window
paoda:apu-things

3 Commits
f7680cd824 ... 77dba68a0b

Author SHA1 Message Date
Rekai Nyangadzayi Musuka 77dba68a0b feat(cpu): implement branch and exchange 
If I want to continue with armwrestler, I'll have to implement
THUMB instructions now
 2022-01-12 07:20:24 -04:00
Rekai Nyangadzayi Musuka 7adc7c8802 fix(cpu): make Data Processing instructions r15-aware 2022-01-12 07:20:24 -04:00
Rekai Nyangadzayi Musuka 229f7c3388 fix(cpu): make LDRH and STRH aware of r15 2022-01-12 07:20:21 -04:00
1 changed files with 1 additions and 1 deletions
Show Stats Expand all files Collapse all files

2
src/cpu/half_signed_data_transfer.zig
View File

@ -39,7 +39,7 @@ pub fn halfAndSignedDataTransfer(comptime P: bool, comptime U: bool, comptime I:
},
0b01 => {
// LDRH
const value = bus.read16(address & 0xFFFE);
const value = bus.read16(address & 0xFFFF_FFFE);
cpu.r[rd] = std.math.rotr(u32, @as(u32, value), 8 * (address & 1));
},
0b10 => {