From eb5a89d914d86a3b094d6d143e01cac48ae8b128 Mon Sep 17 00:00:00 2001 From: WlodekM Date: Wed, 2 Apr 2025 18:11:35 +0300 Subject: the other branches --- instructions/BMI.ts | 7 +++++++ instructions/BNE.ts | 7 +++++++ instructions/BPL.ts | 7 +++++++ instructions/BVC.ts | 7 +++++++ instructions/BVS.ts | 7 +++++++ 5 files changed, 35 insertions(+) create mode 100644 instructions/BMI.ts create mode 100644 instructions/BNE.ts create mode 100644 instructions/BPL.ts create mode 100644 instructions/BVC.ts create mode 100644 instructions/BVS.ts (limited to 'instructions') diff --git a/instructions/BMI.ts b/instructions/BMI.ts new file mode 100644 index 0000000..3427d94 --- /dev/null +++ b/instructions/BMI.ts @@ -0,0 +1,7 @@ +import type The65c02 from "../65c02.ts"; + +export default function (this: The65c02, mode: string) { + const location = this.getAddr(mode, ['relative', 'absolute']); + if (this.negative) + this.programCounter.set(location) +} \ No newline at end of file diff --git a/instructions/BNE.ts b/instructions/BNE.ts new file mode 100644 index 0000000..9d83f0a --- /dev/null +++ b/instructions/BNE.ts @@ -0,0 +1,7 @@ +import type The65c02 from "../65c02.ts"; + +export default function (this: The65c02, mode: string) { + const location = this.getAddr(mode, ['relative', 'absolute']); + if (!this.zero) + this.programCounter.set(location) +} \ No newline at end of file diff --git a/instructions/BPL.ts b/instructions/BPL.ts new file mode 100644 index 0000000..486e071 --- /dev/null +++ b/instructions/BPL.ts @@ -0,0 +1,7 @@ +import type The65c02 from "../65c02.ts"; + +export default function (this: The65c02, mode: string) { + const location = this.getAddr(mode, ['relative', 'absolute']); + if (!this.negative) + this.programCounter.set(location) +} \ No newline at end of file diff --git a/instructions/BVC.ts b/instructions/BVC.ts new file mode 100644 index 0000000..fa40340 --- /dev/null +++ b/instructions/BVC.ts @@ -0,0 +1,7 @@ +import type The65c02 from "../65c02.ts"; + +export default function (this: The65c02, mode: string) { + const location = this.getAddr(mode, ['relative', 'absolute']); + if (!this.overflow) + this.programCounter.set(location) +} \ No newline at end of file diff --git a/instructions/BVS.ts b/instructions/BVS.ts new file mode 100644 index 0000000..dd01fc5 --- /dev/null +++ b/instructions/BVS.ts @@ -0,0 +1,7 @@ +import type The65c02 from "../65c02.ts"; + +export default function (this: The65c02, mode: string) { + const location = this.getAddr(mode, ['relative', 'absolute']); + if (this.overflow) + this.programCounter.set(location) +} \ No newline at end of file -- cgit 1.4.1-2-gfad0