git.y1.nz

commit 9fd48a77a93e2a409cb166c214fbdc1d32d2c26d
parent 113000b211b7f2329349c1352711ad111eefd41b
Author: Toxa <untoxa@mail.ru>
Date:   Tue, 28 Oct 2025 19:30:09 +0300

EXAMPLES: GB: HRAM variable allocation example

Diffstat:
A
gbdk-lib/examples/gb/hram/Makefile
26
++++++++++++++++++++++++++
A
gbdk-lib/examples/gb/hram/hram.c
11
+++++++++++
A
gbdk-lib/examples/gb/hram/hram_data.c
4
++++
A
gbdk-lib/examples/gb/hram/hram_data.h
6
++++++

4 files changed, 47 insertions(+), 0 deletions(-)
diff --git a/gbdk-lib/examples/gb/hram/Makefile b/gbdk-lib/examples/gb/hram/Makefile
@@ -0,0 +1,26 @@
+SHELL := /bin/bash
+
+# If you move this project you can change the directory
+# to match your GBDK root directory (ex: GBDK_HOME = "C:/GBDK/"
+ifndef GBDK_HOME
+	GBDK_HOME = ../../../
+endif
+
+LCC	= $(GBDK_HOME)/bin/lcc
+
+BINS	= hram.gb
+
+all:	$(BINS)
+
+compile.bat:	Makefile
+	@echo "REM Automatically generated from Makefile" > compile.bat
+	@make -sn | sed y/\\//\\\\/ | sed s/mkdir\ -p\/mkdir\/ | grep -v make >> compile.bat
+
+$(BINS):
+	$(LCC) -c -o hram_data.o hram_data.c
+	$(LCC) -c -o hram.o hram.c
+	$(LCC) -Wa-l -Wl-m -Wl-j -o $(BINS) hram.o hram_data.o
+
+clean:
+	rm -f *.o *.lst *.map *.gb *~ *.rel *.cdb *.ihx *.lnk *.sym *.asm *.noi *.rst
+
diff --git a/gbdk-lib/examples/gb/hram/hram.c b/gbdk-lib/examples/gb/hram/hram.c
@@ -0,0 +1,10 @@
+#include <gbdk/platform.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "hram_data.h"
+
+void main(void) {
+    my_hram_variable = 5;
+    printf("value is: %hd at %x", (uint8_t)my_hram_variable, (uint16_t)&my_hram_variable);  
+}
+
diff --git a/gbdk-lib/examples/gb/hram/hram_data.c b/gbdk-lib/examples/gb/hram/hram_data.c
@@ -0,0 +1,3 @@
+#include <gbdk/platform.h>
+
+SFR my_hram_variable;
+
diff --git a/gbdk-lib/examples/gb/hram/hram_data.h b/gbdk-lib/examples/gb/hram/hram_data.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#include <gbdk/platform.h>
+
+extern SFR my_hram_variable;
+

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