From 0d2405caf3b4c65a2d2b8a9555b1d929a9e44229 Mon Sep 17 00:00:00 2001
From: Uri Shaked
Date: Wed, 2 Sep 2020 13:29:54 +0300
Subject: fix(instruction): EICALL is broken

close #59
---
 src/cpu/instruction.spec.ts | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/cpu/instruction.spec.ts')

diff --git a/src/cpu/instruction.spec.ts b/src/cpu/instruction.spec.ts
index 0bf71bd..0665fe8 100644
--- a/src/cpu/instruction.spec.ts
+++ b/src/cpu/instruction.spec.ts
@@ -240,6 +240,7 @@ describe('avrInstruction', () => {
     avrInstruction(cpu);
     expect(cpu.pc).toEqual(0x11234);
     expect(cpu.cycles).toEqual(4);
+    expect(cpu.data[SP]).toEqual(0x80 - 3); // according to datasheet: SP ← SP - 3
     expect(cpu.data[0x80]).toEqual(1); // Return address
   });
 
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