commit 0b8c85bc16ef7d446c735d7f52ccd44056aaedd4
parent ef9331fb7207d479bdb4e56eea56e621ab348ebf
Author: Connor Thomson <connor@gnufault.org>
Date:   Sun, 18 Oct 2026 18:50:20 -0700

Add n64 target

Diffstat:
A
platforms/n64/Makefile
 | 
64
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A
platforms/n64/n64.c
 | 
47
+++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 111 insertions(+), 0 deletions(-)
diff --git a/platforms/n64/Makefile b/platforms/n64/Makefile
@@ -0,0 +1,64 @@
+MAKEFILE_DIR  := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
+ROOT_DIR      := $(abspath $(MAKEFILE_DIR)/../..)
+
+N64_GCC       ?= $(N64_INST)/bin/mips64-elf-gcc
+N64_AR        ?= $(N64_INST)/bin/mips64-elf-ar
+N64_BUILD     ?= build/n64
+N64_BUILD_DIR := $(ROOT_DIR)/$(N64_BUILD)
+N64_LIBRARY   := $(N64_BUILD_DIR)/tuxanci2.a
+N64_SOURCE    := $(MAKEFILE_DIR)n64.c
+TARGET        := tuxanci2.z64
+
+N64_INST      ?= /opt/libdragon
+N64_MK        := $(N64_INST)/include/n64.mk
+export N64_INST
+
+ifeq ($(wildcard $(N64_MK)),)
+$(error libdragon n64.mk not found under N64_INST='$(N64_INST)')
+endif
+
+BUILD_DIR     := ../../$(N64_BUILD)
+SOURCE_DIR    := $(MAKEFILE_DIR)
+ROMNAME       := tuxanci2
+include $(N64_MK)
+N64_CFLAGS    += -I$(ROOT_DIR)/include -I$(N64_BUILD_DIR)
+
+ROOT_INPUTS   := $(shell find $(ROOT_DIR)/src -type f -name '*.c') \
+                 $(wildcard $(ROOT_DIR)/include/*.h) \
+                 $(ROOT_DIR)/include/ta_config.h.in \
+                 $(shell find $(ROOT_DIR)/files -type f) \
+                 $(ROOT_DIR)/Makefile
+
+ENGINE_CFLAGS := $(N64_CFLAGS) -DTA_32BIT -DTA_DISABLE_BILINEAR_FILTERING \
+                 -I$(ROOT_DIR)/include -I$(N64_BUILD_DIR) -std=c99 \
+                 -ffreestanding -nostdlib -nostdinc -fno-builtin \
+                 -fno-stack-protector -Wall -Wextra -Werror -pedantic -pedantic-errors
+
+.DEFAULT_GOAL := all
+.PHONY: all clean
+
+all: $(TARGET)
+
+$(N64_LIBRARY): $(ROOT_INPUTS)
+	$(MAKE) -C "$(ROOT_DIR)" CC="$(N64_GCC)" AR="$(N64_AR)" BITS=32 MARCH=vr4300 \
+		BUILD_DIR="$(N64_BUILD)" TA_DISABLE_BILINEAR_FILTERING=true \
+		CFLAGS="$(ENGINE_CFLAGS)" all
+
+$(BUILD_DIR)/n64.o: $(N64_SOURCE) $(N64_BUILD_DIR)/ta_config.h $(wildcard $(ROOT_DIR)/include/*.h)
+
+$(N64_BUILD_DIR)/ta_config.h:
+	$(MAKE) -C "$(ROOT_DIR)" BUILD_DIR="$(N64_BUILD)" BITS=32 MARCH=vr4300 \
+		"$(N64_BUILD)/ta_config.h"
+
+$(BUILD_DIR)/$(ROMNAME).elf: $(BUILD_DIR)/n64.o $(N64_LIBRARY)
+
+$(TARGET): N64_ROM_TITLE = "Tuxanci 2"
+
+clean:
+	$(RM) "$(TARGET)"
+	$(MAKE) -C "$(ROOT_DIR)" BUILD_DIR="$(N64_BUILD)" clean
+	$(RM) -r "$(MAKEFILE_DIR)build"
+
+ifneq ($(wildcard $(BUILD_DIR)),)
+-include $(shell find $(BUILD_DIR) -name '*.d')
+endif
diff --git a/platforms/n64/n64.c b/platforms/n64/n64.c
@@ -0,0 +1,47 @@
+#include "ta_api.h"
+#include <display.h>
+#include <surface.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#define SCREEN_WIDTH  320
+#define SCREEN_HEIGHT 240
+#define WINDOW_BPP    32
+
+int main(void) {
+    display_init(RESOLUTION_320x240, DEPTH_32_BPP, 2, GAMMA_NONE, FILTERS_RESAMPLE);
+
+    ta_fb.width  = SCREEN_WIDTH;
+    ta_fb.height = SCREEN_HEIGHT;
+    ta_fb.bpp    = WINDOW_BPP;
+
+    ta_main_init();
+
+    while (1) {
+        surface_t *display = display_get();
+        ta_main_update();
+
+        const ta_uint32 *source = (const ta_uint32 *)ta_fb.buffers[0];
+        ta_uint32 *destination  = (ta_uint32 *)display->buffer;
+    
+        for (ta_uint32 i = 0; i < SCREEN_WIDTH * SCREEN_HEIGHT; i++) {
+            destination[i] = (source[i] << 8) | 0xff;
+        }
+
+        display_show(display);
+    }
+
+    return 0;
+}
+
+void *ta_malloc(ta_size size) {
+    return malloc(size);
+}
+
+void ta_free(void *ptr) {
+    free(ptr);
+}
+
+void ta_exit(int status) {
+    exit(status);
+}