6502: More Lua bindings

1 files changed, 35 insertions, 10 deletions

diff --git a/6502/test/test.fnl b/6502/test/test.fnl
index 11c4f9a..f99a0d6 100644
--- a/6502/test/test.fnl
+++ b/6502/test/test.fnl
@@ -6,15 +6,40 @@
   (let [f (io.open path)]
     (f:read "*all")))
 
-(local emu (l6502.new))
-(print (emu:set-pc 42))
-(print (emu:set-reg l6502.reg.SP 10))
-(print (emu:set-reg l6502.reg.A 255))
-(emu:emulate)
-(print (inspect (emu:summary)))
+(fn must-match [fnm a e]
+  (if (= a e) true
+    (io.stderr:write (.. "\n -> in field " fnm ", expected " (tostring e) " but found " (tostring a) "\n"))
+    (os.exit 1)))
 
-;; (local testcases (json.decode (slurp "testcases/6502/v1/00.json")))
-;; (each [_ test (ipairs testcases)]
-;;   (l6502.run test.name))
+(fn u8-flag? [v f] (not (= (band v f) 0)))
 
-;; (print (inspect ))
+(fn run-test [e tc]
+  (io.stderr:write (.. "running test: " tc.name "..."))
+  (let [i tc.initial]
+    (e:set-pc i.pc)
+    (e:set-reg l6502.reg.SP i.s)
+    (e:set-reg l6502.reg.A i.a)
+    (e:set-reg l6502.reg.X i.x)
+    (e:set-reg l6502.reg.Y i.y)
+    (e:set-reg l6502.reg.FLAGS i.p)
+    (each [_ [addr v] (ipairs i.ram)]
+      (e:write addr v)))
+  (e:emulate)
+  (let [f tc.final]
+    (must-match :pc (e:pc) f.pc)
+    (must-match :sp (e:reg l6502.reg.SP) f.s)
+    (must-match :a (e:reg l6502.reg.A) f.a)
+    (must-match :x (e:reg l6502.reg.X) f.x)
+    (must-match :y (e:reg l6502.reg.Y) f.y))
+  (io.stderr:write " done\n")
+  )
+
+(fn run-tests-file [e p]
+  (let [tcs (json.decode (slurp p))]
+    (each [_ tc (ipairs tcs)]
+      (run-test e tc))))
+
+(let [e (l6502.new)]
+  (for [i 0x00 0xff]
+    (run-tests-file e (string.format "testcases/6502/v1/%02x.json" i))
+    ))