From dce5bbe66d7c49cc7095ca6ef183a13d749a3e3c Mon Sep 17 00:00:00 2001
From: Kevin Trocolli <pitok236@gmail.com>
Date: Sat, 10 Dec 2022 23:21:54 -0500
Subject: [PATCH] platform: make billing type configurable

---
 doc/config/common.md | 14 ++++++++++++++
 platform/config.c    |  1 +
 platform/nusec.c     |  5 +++--
 platform/nusec.h     |  1 +
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/doc/config/common.md b/doc/config/common.md
index 4dcaf43..7dc14c1 100644
--- a/doc/config/common.md
+++ b/doc/config/common.md
@@ -326,6 +326,20 @@ Bit values are:
 - 3: EXP: Export (for Asian markets)
 - 4: CHS: China (Simplified Chinese?)
 
+### `billingType`
+
+Default: `1`
+
+Set the billing "type" for the keychip. The type determins what kind of revenue share,
+if any, the game maker has with SEGA. Some games may be picky and require types other 
+then 1 (ex. Crossbeats requires billing type 2), so this option is provided if this
+is an issue. Billing types are:
+
+- 0: No billing?
+- 1: Billing type A
+- 2: Billing type B1
+- 3: Billing type B2
+
 ### `systemFlag`
 
 Default: `0x64`
diff --git a/platform/config.c b/platform/config.c
index 848cfbd..715e3c3 100644
--- a/platform/config.c
+++ b/platform/config.c
@@ -222,6 +222,7 @@ void nusec_config_load(struct nusec_config *cfg, const wchar_t *filename)
             filename);
 
     cfg->region = GetPrivateProfileIntW(L"keychip", L"region", 1, filename);
+    cfg->region = GetPrivateProfileIntW(L"keychip", L"billingType", 1, filename);
     cfg->system_flag = GetPrivateProfileIntW(
             L"keychip",
             L"systemFlag",
diff --git a/platform/nusec.c b/platform/nusec.c
index 7f888a4..cc1030b 100644
--- a/platform/nusec.c
+++ b/platform/nusec.c
@@ -134,8 +134,9 @@ HRESULT nusec_hook_init(
     if (nusec_cfg.platform_id[0] == '\0') {
         memcpy(nusec_cfg.platform_id, platform_id, sizeof(nusec_cfg.platform_id));
     }
-
-    nusec_nearfull = 0x00010200;
+    
+    // High 16 bits is billing type, low is actual playlimit
+    nusec_nearfull = (nusec_cfg.billing_type << 16) + 512;
     nusec_play_count = 0;
     nusec_play_limit = 1024;
 
diff --git a/platform/nusec.h b/platform/nusec.h
index 60886b1..5d3dd4f 100644
--- a/platform/nusec.h
+++ b/platform/nusec.h
@@ -14,6 +14,7 @@ struct nusec_config {
     uint8_t region;
     uint8_t system_flag;
     uint32_t subnet;
+    uint16_t billing_type;
     wchar_t billing_ca[MAX_PATH];
     wchar_t billing_pub[MAX_PATH];
 };