Execute: most of an ALU, ARM_Constants: RBC -> RSC

[firearm.git] / ARM_Constants.v

diff --git a/ARM_Constants.v b/ARM_Constants.v
index a635c5e8355e7eb3611a43fb14c35208e4713d5a..04dd4dd64efdad96b983222fce61eaa4c4de2d93 100644 (file)
--- a/ARM_Constants.v
+++ b/ARM_Constants.v
@@ -24,7 +24,7 @@
 `define ALU_ADD 4'b0100
 `define ALU_ADC 4'b0101
 `define ALU_SBC 4'b0110
-`define ALU_RBC 4'b0111
+`define ALU_RSC 4'b0111
 `define ALU_TST 4'b1000
 `define ALU_TEQ 4'b1001
 `define ALU_CMP 4'b1010
@@ -45,3 +45,8 @@
 `define CPSR_V 28
 `define CPSR_I 7
 `define CPSR_F 6
+
+`define SHIFT_LSL 2'b00
+`define SHIFT_LSR 2'b01
+`define SHIFT_ASR 2'b10
+`define SHIFT_ROR 2'b11