Add bitwise instructions

10 files changed, 94 insertions, 0 deletions

diff --git a/cpu/instructions/bitwise/and.txt b/cpu/instructions/bitwise/and.txt
new file mode 100644
index 0000000..9704083
--- /dev/null
+++ b/cpu/instructions/bitwise/and.txt
@@ -0,0 +1,10 @@
+Number of parameters: 3
+
+Usage:
+	and <output> <value0> <value1>
+
+Effect:
+	Sets <output> to the bitwise and of <value0> and <value1>
+
+Exceptions:
+	None
diff --git a/cpu/instructions/bitwise/arithmetic_shift_right.txt b/cpu/instructions/bitwise/arithmetic_shift_right.txt
new file mode 100644
index 0000000..d7ea8a7
--- /dev/null
+++ b/cpu/instructions/bitwise/arithmetic_shift_right.txt
@@ -0,0 +1,10 @@
+Number of parameters: 3
+
+Usage:
+	arithmetic_shift_right <output> <value> <amount>
+
+Effect:
+	Sets <output> to <value> shifted to the right <amount> bits, filling in leading bits with the most significant bit of <value>
+
+Exceptions:
+	None
diff --git a/cpu/instructions/bitwise/exclusive_or.txt b/cpu/instructions/bitwise/exclusive_or.txt
new file mode 100644
index 0000000..6f9497c
--- /dev/null
+++ b/cpu/instructions/bitwise/exclusive_or.txt
@@ -0,0 +1,10 @@
+Number of parameters: 3
+
+Usage:
+	exclusive_or <output> <value0> <value1>
+
+Effect:
+	Sets <output> to the bitwise exclusive or of <value0> and <value1>
+
+Exceptions:
+	None
diff --git a/cpu/instructions/bitwise/not.txt b/cpu/instructions/bitwise/not.txt
new file mode 100644
index 0000000..8e8784a
--- /dev/null
+++ b/cpu/instructions/bitwise/not.txt
@@ -0,0 +1,10 @@
+Number of parameters: 2
+
+Usage:
+	not <output> <value>
+
+Effect:
+	Sets <output> to the bitwise not of <value>
+
+Exceptions:
+	None
diff --git a/cpu/instructions/bitwise/notes.txt b/cpu/instructions/bitwise/notes.txt
new file mode 100644
index 0000000..f1694e9
--- /dev/null
+++ b/cpu/instructions/bitwise/notes.txt
@@ -0,0 +1,4 @@
+Unless otherwise specified, all bitwise instructions will:
+	Set the zero flag when all bits of the result are zero
+	Not set the carry flag
+	Not set the overflow flag
diff --git a/cpu/instructions/bitwise/or.txt b/cpu/instructions/bitwise/or.txt
new file mode 100644
index 0000000..94c7127
--- /dev/null
+++ b/cpu/instructions/bitwise/or.txt
@@ -0,0 +1,10 @@
+Number of parameters: 3
+
+Usage:
+	or <output> <value0> <value1>
+
+Effect:
+	Sets <output> to the bitwise or of <value0> and <value1>
+
+Exceptions:
+	None
diff --git a/cpu/instructions/bitwise/rotate_left.txt b/cpu/instructions/bitwise/rotate_left.txt
new file mode 100644
index 0000000..10bec89
--- /dev/null
+++ b/cpu/instructions/bitwise/rotate_left.txt
@@ -0,0 +1,10 @@
+Number of parameters: 3
+
+Usage:
+	rotate_left <output> <value> <amount>
+
+Effect:
+	Sets <output> to <value> rotated to the left <amount> bits
+
+Exceptions:
+	None
diff --git a/cpu/instructions/bitwise/rotate_right.txt b/cpu/instructions/bitwise/rotate_right.txt
new file mode 100644
index 0000000..39e29ff
--- /dev/null
+++ b/cpu/instructions/bitwise/rotate_right.txt
@@ -0,0 +1,10 @@
+Number of parameters: 3
+
+Usage:
+	rotate_right <output> <value> <amount>
+
+Effect:
+	Sets <output> to <value> rotated to the right <amount> bits
+
+Exceptions:
+	None
diff --git a/cpu/instructions/bitwise/shift_left.txt b/cpu/instructions/bitwise/shift_left.txt
new file mode 100644
index 0000000..6f75777
--- /dev/null
+++ b/cpu/instructions/bitwise/shift_left.txt
@@ -0,0 +1,10 @@
+Number of parameters: 3
+
+Usage:
+	shift_left <output> <value> <amount>
+
+Effect:
+	Sets <output> to <value> shifted to the left <amount> bits
+
+Exceptions:
+	None
diff --git a/cpu/instructions/bitwise/shift_right.txt b/cpu/instructions/bitwise/shift_right.txt
new file mode 100644
index 0000000..8f871a7
--- /dev/null
+++ b/cpu/instructions/bitwise/shift_right.txt
@@ -0,0 +1,10 @@
+Number of parameters: 3
+
+Usage:
+	shift_right <output> <value> <amount>
+
+Effect:
+	Sets <output> to <value> shifted to the right <amount> bits
+
+Exceptions:
+	None