From 83b36510443b0face01c8e6c0bf1a0e8138f7c97 Mon Sep 17 00:00:00 2001 From: Jay Oster Date: Sat, 11 Jun 2022 21:50:22 -0700 Subject: [PATCH] Fix repeater code types in code engine --- src/utils.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/src/utils.c b/src/utils.c index bb00a1a..3b8b377 100755 --- a/src/utils.c +++ b/src/utils.c @@ -751,12 +751,14 @@ patcher_start: // Run code engine "lui $k0, 0x8000;" "lw $k0, 0x0188($k0);" - "addiu $k0, $k0, -0x28;" + "addiu $k0, $k0, -0x38;" "sd $v1, 0x0000($k0);" "sd $v0, 0x0008($k0);" "sd $t9, 0x0010($k0);" "sd $t8, 0x0018($k0);" "sd $t7, 0x0020($k0);" + "sd $t6, 0x0028($k0);" + "sd $t5, 0x0030($k0);" // Handle cheats "lui $t9, 0x8000;" @@ -789,8 +791,18 @@ patcher_start: "lw $k1, 0x0004($t9);" // Load value "addiu $t9, $t9, 0x0008;" + "lui $t6, 0x0100;" + "and $t6, $v0, $t6;" // Test for 8-bit or 16-bit code type + "li $t5, 0xA07FFFFF;" + "and $v0, $v0, $t5;" + "lui $t5, 0x8000;" + "or $v0, $v0, $t5;" // Mask address + "2:" - "sh $k1, 0x0000($v0);" // Repeater/Patch write + "beqzl $t6, 5f;" + "sb $k1, 0x0000($v0);" // Repeated 8-bit write + "sh $k1, 0x0000($v0);" // Repeated 16-bit write + "5:" "addiu $t8, $t8, -1;" "addu $v0, $v0, $t7;" "bnez $t8, 2b;" @@ -832,6 +844,8 @@ patcher_start: "4:" // Restore registers from our temporary stack, and back to the game! + "ld $t5, 0x0030($k0);" + "ld $t6, 0x0028($k0);" "ld $t7, 0x0020($k0);" "ld $t8, 0x0018($k0);" "ld $t9, 0x0010($k0);"