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authorLLLL Colonq <llll@colonq>2026-07-11 00:34:23 -0400
committerLLLL Colonq <llll@colonq>2026-07-11 00:34:23 -0400
commitca8daa96caed9d53db95336bad917d2e03e7b00f (patch)
tree39c7ec19c9beba0932b3240d5033e2fbfd4e2f6c /6502/test
parentb6f00172b4e7045a14cebba0a7d4011528a28741 (diff)
6502: All tests pass!
Diffstat (limited to '6502/test')
-rw-r--r--6502/test/test.fnl101
1 files changed, 88 insertions, 13 deletions
diff --git a/6502/test/test.fnl b/6502/test/test.fnl
index f99a0d6..a50bfd6 100644
--- a/6502/test/test.fnl
+++ b/6502/test/test.fnl
@@ -6,12 +6,52 @@
(let [f (io.open path)]
(f:read "*all")))
-(fn must-match [fnm a e]
+(fn contains? [x xs]
+ (each [_ y (pairs xs)]
+ (when (= x y)
+ (lua "return true")))
+ nil)
+
+(fn must-match [st 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)))
+ true
+ (do
+ (io.stderr:write (.. "\n -> in field " fnm ", expected " (tostring e) " but found " (tostring a)))
+ ;; (io.stderr:write (.. "\n -> initial emulator state:\n" (inspect st.initial)))
+ (io.stderr:write (.. "\n -> final emulator state:\n" (inspect st.final)))
+ (io.stderr:write "\n")
+ (os.exit 1))))
(fn u8-flag? [v f] (not (= (band v f) 0)))
+(local flag-masks
+ { :carry l6502.flag.CARRY
+ :zero l6502.flag.ZERO
+ :interrupt_disable l6502.flag.INTERRUPT_DISABLE
+ :decimal l6502.flag.DECIMAL
+ :break_command l6502.flag.BREAK_COMMAND
+ :overflow l6502.flag.OVERFLOW
+ :negative l6502.flag.NEGATIVE
+ })
+(fn must-match-flag [st e nm f]
+ (must-match st nm (e:flag (. flag-masks nm)) (u8-flag? f.p (. flag-masks nm))))
+
+(fn summary-compare-testcase [e s t]
+ (fn ae [actual expected] { : actual : expected })
+ { :pc (ae s.pc t.pc)
+ :regs
+ { :sp (ae s.regs.sp t.s)
+ :a (ae s.regs.a t.a)
+ :x (ae s.regs.x t.x)
+ :y (ae s.regs.y t.y)
+ :flags (ae s.regs.flags t.p)
+ }
+ :flags
+ (collect [nm mask (pairs flag-masks)]
+ (values nm (ae (. s.flags nm) (if (u8-flag? t.p mask) 1 0))))
+ :ram
+ (collect [_ [addr v] (ipairs t.ram)]
+ (values (.. :addr (tostring addr)) (ae (e:read addr) v)))
+ })
(fn run-test [e tc]
(io.stderr:write (.. "running test: " tc.name "..."))
@@ -24,22 +64,57 @@
(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))
+ (let [ initial-summary (e:summary)
+ ins (e:emulate)
+ st
+ { :initial (summary-compare-testcase e initial-summary tc.initial)
+ :final (summary-compare-testcase e (e:summary) tc.final)
+ }
+ f tc.final]
+ (io.stderr:write (.. " " ins "..."))
+ (must-match st :pc (e:pc) f.pc)
+ (must-match st :sp (e:reg l6502.reg.SP) f.s)
+ (must-match st :a (e:reg l6502.reg.A) f.a)
+ (must-match st :x (e:reg l6502.reg.X) f.x)
+ (must-match st :y (e:reg l6502.reg.Y) f.y)
+ (must-match-flag st e :carry f)
+ (must-match-flag st e :zero f)
+ (must-match-flag st e :interrupt_disable f)
+ (must-match-flag st e :decimal f)
+ (must-match-flag st e :break_command f)
+ (must-match-flag st e :overflow f)
+ (must-match-flag st e :negative f)
+ (each [_ [addr v] (ipairs f.ram)]
+ (must-match st (.. :addr (tostring addr)) (e:read addr) v)))
(io.stderr:write " done\n")
)
+(local villains
+ [ 0x02 0x03 0x04 0x07 0x0b 0x0c 0x0f
+ 0x12 0x13 0x14 0x17 0x1a 0x1b 0x1c 0x1f
+ 0x22 0x23 0x27 0x2b 0x2f
+ 0x32 0x33 0x34 0x37 0x3a 0x3b 0x3c 0x3f
+ 0x42 0x43 0x44 0x47 0x4b 0x4f
+ 0x52 0x53 0x54 0x57 0x5a 0x5b 0x5c 0x5f ;; 0x539 <3
+ 0x62 0x63 0x64 0x67 0x6b 0x6f
+ 0x72 0x73 0x74 0x77 0x7a 0x7b 0x7c 0x7f
+ 0x80 0x82 0x83 0x87 0x89 0x8b 0x8f
+ 0x92 0x93 0x97 0x9b 0x9c 0x9e 0x9f
+ 0xa3 0xa7 0xab 0xaf
+ 0xb2 0xb3 0xb7 0xbb 0xbf
+ 0xc2 0xc3 0xc7 0xcb 0xcf
+ 0xd2 0xd3 0xd4 0xd7 0xda 0xdb 0xdc 0xdf
+ 0xe2 0xe3 0xe7 0xeb 0xef
+ 0xf2 0xf3 0xf4 0xf7 0xfa 0xfb 0xfc 0xff
+ ])
+
(fn run-tests-file [e p]
(let [tcs (json.decode (slurp p))]
(each [_ tc (ipairs tcs)]
- (run-test e tc))))
+ (when (not (u8-flag? tc.initial.p l6502.flag.DECIMAL))
+ (run-test e tc)))))
(let [e (l6502.new)]
(for [i 0x00 0xff]
- (run-tests-file e (string.format "testcases/6502/v1/%02x.json" i))
- ))
+ (when (not (contains? i villains))
+ (run-tests-file e (string.format "testcases/6502/v1/%02x.json" i)))))