From 99a3e94afdfe296f48dd92f50cac62bc394a88c0 Mon Sep 17 00:00:00 2001
From: Zack Buhman <zack@buhman.org>
Date: Sun, 31 Mar 2024 15:59:55 +0800
Subject: [PATCH] scu: rename DRAW_END to SPRITE_DRAW_END

---
 scu.h   |  7 ++++---
 sh2.lds | 27 ++-------------------------
 2 files changed, 6 insertions(+), 28 deletions(-)

diff --git a/scu.h b/scu.h
index 2f2abff..12f61bf 100644
--- a/scu.h
+++ b/scu.h
@@ -59,6 +59,7 @@ typedef struct scu_reg {
 
 static_assert((sizeof (struct scu_reg)) == 0xD0);
 static_assert((offsetof (struct scu_reg, D1R)) == 0x20);
+static_assert((offsetof (struct scu_reg, T1MD)) == 0x98);
 static_assert((offsetof (struct scu_reg, AIACK)) == 0xA8);
 static_assert((offsetof (struct scu_reg, AREF)) == 0xB8);
 
@@ -214,7 +215,7 @@ enum pda_bits {
 
 enum ims_bits {
   IMS__A_BUS = (1 << 15),
-  IMS__DRAW_END = (1 << 13),
+  IMS__SPRITE_DRAW_END = (1 << 13),
   IMS__DMA_ILLEGAL = (1 << 12),
   IMS__DMA0_END = (1 << 11),
   IMS__DMA1_END = (1 << 10),
@@ -248,7 +249,7 @@ enum ist_bits {
   IST__EXT01 = (1 << 17),
   IST__EXT00 = (1 << 16),
 
-  IST__DRAW_END = (1 << 13),
+  IST__SPRITE_DRAW_END = (1 << 13),
   IST__DMA_ILLEGAL = (1 << 12),
   IST__DMA0_END = (1 << 11),
   IST__DMA1_END = (1 << 10),
@@ -283,7 +284,7 @@ enum scu_vec {
   SCU_VEC__DMA1_END,
   SCU_VEC__DMA0_END,
   SCU_VEC__DMA_ILLEGAL,
-  SCU_VEC__DRAW_END,
+  SCU_VEC__SPRITE_DRAW_END,
   __scu_vec_res0,
   __scu_vec_res1,
   SCU_VEC__EXT00,
diff --git a/sh2.lds b/sh2.lds
index 46f9a8c..f3b01db 100644
--- a/sh2.lds
+++ b/sh2.lds
@@ -2,7 +2,6 @@ OUTPUT_FORMAT("elf32-sh", "elf32-sh", "elf32-sh")
 OUTPUT_ARCH(sh)
 MEMORY
 {
-  ipl_rom    : ORIGIN = 0x00000000, LENGTH = 512K
   work_ram_l : ORIGIN = 0x00200000, LENGTH = 1M
   work_ram_h : ORIGIN = 0x06000000, LENGTH = 1M
 }
@@ -45,29 +44,7 @@ SECTIONS
   {
     *(.bss.work_ram_l)
   } > work_ram_l
-
-  /DISCARD/ :
-  {
-    *(.debug*)
-    *(.comment*)
-    *(.rela*)
-  }
-
-  __bss_link_start = ADDR(.bss);
-  __bss_link_end = ADDR(.bss) + SIZEOF(.bss);
-
-  __ctors_link_start = ADDR(.ctors);
-  __ctors_link_end = ADDR(.ctors) + SIZEOF(.ctors);
 }
 
-smpc = 0x20100000;
-cdb  = 0x25890000;
-scsp = 0x25A00000;
-vdp1 = 0x25C00000;
-vdp2 = 0x25E00000;
-scu  = 0x25FE0000;
-sh2_vec = 0x06000000;
-sh2  = 0xfffffe00;
-
-work_ram_l = 0x20200000;
-work_ram_h = 0x26000000;
+INCLUDE "symbols.lds"
+INCLUDE "addresses.lds"