From d3b12e5504408e04ecac01e2adbf56346d32c7e8 Mon Sep 17 00:00:00 2001
From: Toni Wilen <twilen@winuae.net>
Date: Mon, 17 Apr 2017 17:31:32 +0300
Subject: [PATCH] Apollo memory bank fix and memory disable jumper.

---
 cpuboard.cpp       | 46 ++++++++++++++++++++++++++++++++++++++++++++--
 idecontrollers.cpp | 10 +++++++---
 2 files changed, 51 insertions(+), 5 deletions(-)

diff --git a/cpuboard.cpp b/cpuboard.cpp
index 19a6a745..b067fffd 100644
--- a/cpuboard.cpp
+++ b/cpuboard.cpp
@@ -1556,10 +1556,14 @@ void cpuboard_map(void)
 				map_banks(&cpuboardmem2_bank, cpuboardmem2_bank.start >> 16, (0x10000000 - cpuboardmem2_bank.start) >> 16, cpuboardmem2_bank.allocated_size);
 		}
 	}
-	if (is_mtec_ematrix530(&currprefs) || is_sx32pro(&currprefs)) {
+
+	if (is_mtec_ematrix530(&currprefs) || is_sx32pro(&currprefs) || is_apollo(&currprefs)) {
 		if (cpuboardmem1_bank.allocated_size) {
 			map_banks(&cpuboardmem1_bank, cpuboardmem1_bank.start >> 16, cpuboardmem1_bank.allocated_size >> 16, 0);
 		}
+		if (cpuboardmem2_bank.allocated_size) {
+			map_banks(&cpuboardmem2_bank, cpuboardmem2_bank.start >> 16, cpuboardmem2_bank.allocated_size >> 16, 0);
+		}
 	}
 }
 
@@ -1648,8 +1652,44 @@ void cpuboard_cleanup(void)
 
 	mapped_free(&cpuboardmem1_bank);
 	mapped_free(&cpuboardmem2_bank);
+	cpuboardmem1_bank.jit_read_flag = 0;
+	cpuboardmem1_bank.jit_write_flag = 0;
+	cpuboardmem2_bank.jit_read_flag = 0;
+	cpuboardmem2_bank.jit_write_flag = 0;
+}
+
+static void memory_mirror_bank(addrbank *bank, uaecptr end_addr)
+{
+	uaecptr addr = bank->start;
+	while (addr + bank->allocated_size < end_addr) {
+		map_banks(bank, (addr + bank->allocated_size) >> 16, bank->allocated_size >> 16, 0);
+		addr += bank->allocated_size;
+	}
+}
+
+static void cpuboard_custom_memory(uaecptr addr, int max, bool swap, bool alias)
+{
+	int size1 = swap ? currprefs.cpuboardmem2_size : currprefs.cpuboardmem1_size;
+	int size2 = swap ? currprefs.cpuboardmem1_size : currprefs.cpuboardmem2_size;
+	int size_low = size1;
+	max *= 1024 * 1024;
+	if (size_low > max)
+		size_low = max;
+	int size_high;
+	if (size2 == 0 && size1 > max) {
+		size_high = size1 - max;
+	} else {
+		size_high = size2;
+	}
+	if (!size_low && !size_high)
+		return;
+	cpuboardmem1_bank.start = addr - size_low;
+	cpuboardmem1_bank.reserved_size = size_low + size_high;
+	cpuboardmem1_bank.mask = cpuboardmem1_bank.reserved_size - 1;
+	mapped_malloc(&cpuboardmem1_bank);
 }
 
+
 static void cpuboard_init_2(void)
 {
 	if (!currprefs.cpuboard_type)
@@ -1714,6 +1754,9 @@ static void cpuboard_init_2(void)
 		blizzardf0_bank.mask = blizzardf0_bank.reserved_size - 1;
 		mapped_malloc(&blizzardf0_bank);
 
+		cpuboard_custom_memory(0x03000000, 32, false, true);
+
+
 	} else if (is_fusionforty(&currprefs)) {
 
 		blizzardf0_bank.start = 0x00f40000;
@@ -1899,7 +1942,6 @@ void cpuboard_init(void)
 	cpuboard_init_2();
 }
 
-
 void cpuboard_overlay_override(void)
 {
 	if (is_a2630(&currprefs)) {
diff --git a/idecontrollers.cpp b/idecontrollers.cpp
index a3c934ef..a4e6095f 100644
--- a/idecontrollers.cpp
+++ b/idecontrollers.cpp
@@ -1596,8 +1596,8 @@ void alf_add_ide_unit(int ch, struct uaedev_config_info *ci, struct romconfig *r
 // prod 0x33 = IDE only
 
 const uae_u8 apollo_autoconfig[16] = { 0xd1, 0x22, 0x00, 0x00, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, APOLLO_ROM_OFFSET >> 8, APOLLO_ROM_OFFSET & 0xff };
-const uae_u8 apollo_autoconfig_cpuboard[16] = { 0xd2, 0x23, 0x00, 0x00, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, APOLLO_ROM_OFFSET >> 8, APOLLO_ROM_OFFSET & 0xff };
-const uae_u8 apollo_autoconfig_cpuboard_060[16] = { 0xd2, 0x23, 0x00, 0x00, 0x22, 0x22, 0x00, 0x00, 0x00, 0x02, APOLLO_ROM_OFFSET >> 8, APOLLO_ROM_OFFSET & 0xff };
+const uae_u8 apollo_autoconfig_cpuboard[16] = { 0xd2, 0x23, 0x40, 0x00, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, APOLLO_ROM_OFFSET >> 8, APOLLO_ROM_OFFSET & 0xff };
+const uae_u8 apollo_autoconfig_cpuboard_060[16] = { 0xd2, 0x23, 0x40, 0x00, 0x22, 0x22, 0x00, 0x00, 0x00, 0x02, APOLLO_ROM_OFFSET >> 8, APOLLO_ROM_OFFSET & 0xff };
 
 static bool apollo_init(struct autoconfig_info *aci, bool cpuboard)
 {
@@ -1620,7 +1620,9 @@ static bool apollo_init(struct autoconfig_info *aci, bool cpuboard)
 		return false;
 
 	if (cpuboard) {
-		ide->userdata = currprefs.cpuboard_settings & 3;
+		// bit 0: scsi enable
+		// bit 1: memory disable
+		ide->userdata = currprefs.cpuboard_settings & 1;
 	} else {
 		ide->userdata = aci->rc->autoboot_disabled ? 2 : 0;
 	}
@@ -1638,6 +1640,8 @@ static bool apollo_init(struct autoconfig_info *aci, bool cpuboard)
 	ide->keepautoconfig = false;
 	for (int i = 0; i < 16; i++) {
 		uae_u8 b = autoconfig[i];
+		if (cpuboard && i == 9 && (currprefs.cpuboard_settings & 2))
+			b |= 1; // memory disable (serial bit 0)
 		ew(ide, i * 4, b);
 	}
 	if (cpuboard) {
-- 
2.47.3