6502/mre-mos6502
1
0
Fork 0
mirror of https://github.com/mre/mos6502.git synced 2025-02-26 18:29:14 +00:00
Code Issues Projects Releases Wiki Activity

Add BVC to execute_instruction().

Browse Source
This commit is contained in:
Andrew Keeton 2014-11-13 18:52:14 -05:00
parent 7e0a086a1d
commit 448fc3f061
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/machine.rs
View File

@ -169,6 +169,12 @@ impl Machine {
self.branch_if_overflow_clear(addr); self.branch_if_overflow_clear(addr);
} }
(instruction::BVS, instruction::UseRelative(rel)) => {
let addr = self.registers.program_counter
+ AddressDiff(rel as i32);
self.branch_if_overflow_set(addr);
}
(instruction::CLC, instruction::UseImplied) => { (instruction::CLC, instruction::UseImplied) => {
self.registers.status.and(!PS_CARRY); self.registers.status.and(!PS_CARRY);
} }