Test floats

2024-10-13 22:53:18 -04:00 · 2024-10-13 22:53:18 -04:00 · 67b3dce1d5
parent 46d9d35e21
commit 67b3dce1d5
1 changed files with 158 additions and 3 deletions
--- a/gauntlet.s
+++ b/gauntlet.s
@ -2171,7 +2171,160 @@ return_from_trap2:
  be 4
  halt

-# TODO: Floats
+# floats
+cvt.ws:
+  movea 1337, r0, r6
+  cvt.ws r6, r6
+  bnz 4
+  halt
+  bp 4
+  halt
+  bnv 4 # Always
+  halt
+  movhi hi(0x44a72000), r0, r7
+  movea lo(0x44a72000), r7, r7
+  cmp r6, r7
+  be 4
+  halt
+
+cvt.sw:
+  movhi hi(0x460ca200), r0, r6
+  movea lo(0x460ca200), r6, r6
+  cvt.sw r6, r6
+  bnz 4
+  halt
+  bp 4
+  halt
+  bnv 4 # Always
+  halt
+
+  movea 9001, r0, r7
+  cmp r6, r7
+  be 4
+  halt
+
+trnc.sw:
+  movhi hi(0x460ca200), r0, r6
+  movea lo(0x460ca200), r6, r6
+  trnc.sw r6, r6
+  bnz 4
+  halt
+  bp 4
+  halt
+  bnv 4 # Always
+  halt
+
+  movea 9000, r0, r7
+  cmp r6, r7
+  be 4
+  halt
+
+addf.s:
+  mov 8, r6
+  cvt.ws r6, r6
+  mov 5, r7
+  cvt.ws r7, r7
+  addf.s r6, r7
+  bnz 4
+  halt
+  bp 4
+  halt
+  bnv 4 # Always
+  halt
+
+  mov 13, r6
+  cvt.ws r6, r6
+  cmp r6, r7
+  be 4
+  halt
+
+subf.s:
+  mov 8, r6
+  cvt.ws r6, r6
+  mov 5, r7
+  cvt.ws r7, r7
+  subf.s r6, r7
+  bnz 4
+  halt
+  bn 4
+  halt
+  bnv 4 # Always
+  halt
+
+  mov -3, r6
+  cvt.ws r6, r6
+  cmp r6, r7
+  be 4
+  halt
+
+mulf.s:
+  mov 8, r6
+  cvt.ws r6, r6
+  mov 5, r7
+  cvt.ws r7, r7
+  mulf.s r6, r7
+  bnz 4
+  halt
+  bp 4
+  halt
+  bnv 4 # Always
+  halt
+
+  movea 40, r0, r6
+  cvt.ws r6, r6
+  cmp r6, r7
+  be 4
+  halt
+
+divf.s:
+  mov 8, r6
+  cvt.ws r6, r6
+  mov 5, r7
+  cvt.ws r7, r7
+  divf.s r6, r7
+  bnz 4
+  halt
+  bp 4
+  halt
+  bnv 4 # Always
+  halt
+
+  movhi hi(0x3f200000), r0, r6
+  movea lo(0x3f200000), r6, r6
+  cmp r6, r7
+  be 4
+  halt
+
+cmpf.s:
+  mov 10, r1
+  cvt.ws r1, r1
+  mov r1, r6
+  cmpf.s r6, r1
+  be 4
+  halt
+  mov 9, r6
+  cvt.ws r6, r6
+  cmpf.s r6, r1
+  blt 4
+  br 4
+  halt
+  be 4
+  br 4
+  halt
+  bgt 4
+  halt
+  mov 11, r6
+  cvt.ws r6, r6
+  cmpf.s r6, r1
+  blt 4
+  halt
+  be 4
+  br 4
+  halt
+  bgt 4
+  br 4
+  halt
+
 # TODO: Bitstring search

 #========= I / O ============================
@ -2741,7 +2894,8 @@ _rom_title:
  .fill  0x110

    /* (7FFFF60h) - Float exception */
-  .fill  0x10
+  br 0
+  .fill  0x0E

    /* Unused vector */
  .fill  0x10
@ -2771,7 +2925,8 @@ _rom_title:
  .fill  0x10

    /* (7FFFFD0h) - NMI/Duplex exception */
-  .fill  0x10
+  br 0
+  .fill  0x0E

    /* Unused vector */
  .fill  0x10