6502/mre-mos6502
1
0
Fork 0
mirror of https://github.com/mre/mos6502.git synced 2024-11-30 20:51:21 +00:00
Code Issues Projects Releases Wiki Activity

Add BCS to execute_instruction().

Browse Source
This commit is contained in:
Andrew Keeton 2014-11-06 19:42:08 -05:00
parent da6a28f639
commit 59168cbbe4
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/machine.rs
View File

@ -116,6 +116,11 @@ impl Machine {
self.branch_if_carry_clear(addr); self.branch_if_carry_clear(addr);
} }
(instruction::BCS, instruction::UseRelative(rel)) => {
let addr = self.registers.program_counter
+ AddressDiff(rel as i32);
self.branch_if_carry_set(addr);
}
(instruction::BIT, instruction::UseAddress(addr)) => { (instruction::BIT, instruction::UseAddress(addr)) => {
let a: u8 = self.registers.accumulator as u8; let a: u8 = self.registers.accumulator as u8;