1 files changed, 83 insertions, 0 deletions
diff --git a/input/easy-matrices.asm b/input/easy-matrices.asm
new file mode 100644
index 0000000..9cee909
--- /dev/null
+++ b/input/easy-matrices.asm
@@ -0,0 +1,83 @@
+;;;;;;;;
+;;; performs a matrix multiply the matrices m1 and m2:
+;;; 9 4 3   1 0 4 2 2      65  21  55  72  40
+;;; 1 4 2   8 3 1 9 4      49  18  18  50  22
+;;; 9 4 7   8 3 5 6 2   =  97  33  75  96  48
+;;; 6 6 6                  102 36  60  102 48
+;;; the result of which is placed into r
+;;; does not use designated vector instructions
+
+.data
+	m1 9 4 3 1 4 2 9 4 7 6 6 6
+	m2 1 0 4 2 2 8 3 1 9 4 8 3 5 6 2
+	n 3 			; # of columns of m1, rows of m2
+	m 4			; # of rows of m1
+	p 5			; # of columns of m2
+	r 0			; a matrix of size n,p
+
+.text
+	addi $5 $2 0x0 		; establish frame pointer
+	jmp  MAIN
+
+MAIN:
+	push $5			; function preamble
+	addi $5 $2 0x0
+	subi $2 $2 0x0
+
+	addi $7 $0 0x0 		; tracks M
+	jrl  MCOND
+
+MITER:
+	addi $8 $0 0x0		; tracks P
+	jrl  PCOND
+PITER:
+	addi $9 $0 0x0 		; tracks N
+	addi $10 $0 0x0 	; tracks accumulated result
+
+	load $6 n($0)		; index m1
+	mul  $11 $6 $7
+	addi $11 $11 m1
+
+	addi $12 $8 m2 		; index m2
+
+	jrl NCOND
+NITER:
+	add  $13 $11 $9 	; increment m1
+
+	load $6 p($0)
+	mul  $14 $9 $6 		; increment m2
+	add  $14 $14 $12
+
+	load $6 0($13)
+	load $15 0($14)
+	mul  $6 $6 $15
+	add  $10 $10 $6
+
+	addi $9 $9 0x1		; increment element being added
+NCOND:
+	load $6 n($0)
+	cmp  $6 $9
+	bgt  NITER
+
+	load $6 p($0) 		; store result
+	mul  $6 $6 $7
+	add  $6 $6 $8
+	store $10 r($6)
+
+	addi $8 $8 0x1 		; increment columns in m2
+PCOND:
+	load $6 p($0)
+	cmp  $6 $8
+	bgt  PITER
+
+	addi $7 $7 0x1		; increment rows in m1
+MCOND:
+	load $6 m($0)
+	cmp  $6 $7
+	bgt  MITER
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop