From 1cd0285b22755a21cbc367213a143ec33d298c95 Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Wed, 22 Mar 2023 17:30:42 +0100
Subject: add static makefile targets to main gamefile, and add target to flash
 static rom to stm32

---
 src/makefile      | 14 +++++++++++++-
 src/ppusim/sim.c  |  3 +++
 src/stm32/setup.c |  4 ++++
 src/tilemap.h     |  7 +++++++
 4 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 src/tilemap.h

diff --git a/src/makefile b/src/makefile
index cd248e2..51ce7e9 100644
--- a/src/makefile
+++ b/src/makefile
@@ -78,7 +78,15 @@ $(TARGET).bin: $(TARGET).elf
 
 PHONY += flash
 flash: $(TARGET).bin
-	st-flash --reset write $(TARGET).bin 0x08000000
+	st-flash --reset write $< 0x08000000
+
+# see definition of g_hh_tilemap_rom in stm32/setup.c
+PHONY += rom
+rom: static/tilemap.bin
+	st-flash --reset write $< 0x08033000
+
+static/tilemap.bin static/tilemap.h &:
+	$(MAKE) -C static all
 
 %-ds.o: %.c
 	$(CC) -c $(CFLAGS) $< -o $@
@@ -99,4 +107,8 @@ PHONY += clean
 clean:
 	$(RM) $(TARGET).bin $(TARGET).elf $(OBJS)
 
+PHONY += distclean
+distclean: clean
+	$(MAKE) -C static clean
+
 .PHONY: $(PHONY)
diff --git a/src/ppusim/sim.c b/src/ppusim/sim.c
index 8b67acc..4d171a0 100644
--- a/src/ppusim/sim.c
+++ b/src/ppusim/sim.c
@@ -10,9 +10,11 @@
 #include "ppusim/mem.h"
 #include "ppusim/sim.h"
 #include "ppusim/work.h"
+#include "tilemap.h"
 
 SDL_Window *g_hh_window		= NULL;
 SDL_Renderer *g_hh_renderer = NULL;
+uint32_t* g_hh_tilemap_rom = NULL;
 
 void hh_ppu_init() {
 	SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS);
@@ -29,6 +31,7 @@ void hh_ppu_init() {
 }
 
 void hh_ppu_load_tilemap() {
+	g_hh_tilemap_rom = NULL; // TODO: read/copy file (static/tilemap.bin)
 	//TODO: remove magic file name here
 	char* filename = "static/tiles.bin";
 	FILE* fp = fopen(filename,"rb");
diff --git a/src/stm32/setup.c b/src/stm32/setup.c
index 2c3552b..2102347 100644
--- a/src/stm32/setup.c
+++ b/src/stm32/setup.c
@@ -8,6 +8,10 @@
 #include "main.h"
 #include "setup.h"
 #include "ppu/ppu.h"
+#include "tilemap.h"
+
+// hex(0x0803_ffff - 0xd000 + 1) (stm32f091rc rm0091 table 5, flash memory organization)
+uint32_t* g_hh_tilemap_rom = 0x08033000;
 
 UART_HandleTypeDef huart2 = {
 	.Instance = USART2,
diff --git a/src/tilemap.h b/src/tilemap.h
new file mode 100644
index 0000000..2f8b709
--- /dev/null
+++ b/src/tilemap.h
@@ -0,0 +1,7 @@
+#pragma once
+#include <stdint.h>
+
+#include "static/tilemap.h"
+
+extern uint32_t* g_hh_tilemap_rom;
+
-- 
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