piwalker/hello_ps2
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

GS init and ISO packaging

Browse Source
This commit is contained in:
Samuel Walker 2025-03-27 20:07:27 -06:00
parent 3a17490fb0
commit d3b25501b5
4 changed files with 47 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
CMakeLists.txt
View File

@ -3,4 +3,11 @@ set(MAKE_TOOLCHAIN_FILE $PS2SDK/ps2dev.cmake)
set(CMAKE_C_FLAGS_DEBUG -DDEBUG)
project(helloworld)
add_executable(helloworld.elf main.c)
target_link_libraries(helloworld.elf debug -ldebug)
target_link_libraries(helloworld.elf debug -ldebug -lgraph -ldma -ldraw)
add_custom_command(
TARGET helloworld.elf
POST_BUILD
COMMAND mkisofs -l -o helloworld.iso helloworld.elf ${CMAKE_CURRENT_SOURCE_DIR}/ISO
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/SYSTEM.CNF ${CMAKE_CURRENT_BUILD_DIR}/helloworld.elf
VERBATIM
)

1
ISO/Assets/asset.txt Normal file
View File

@ -0,0 +1 @@
Some asset

3
ISO/SYSTEM.CNF Normal file
View File

@ -0,0 +1,3 @@
BOOT2 = cdrom0:\HELLOWORLD.ELF;1
VER = 0.0
VMODE = NTSC

38
main.c
View File

@ -1,7 +1,13 @@
#include "draw_primitives.h"
#include "graph_vram.h"
#include "gs_psm.h"
#include <tamtypes.h>
#include <sifrpc.h>
#include <debug.h>
#include <unistd.h>
#include <dma.h>
#include <graph.h>
#include <draw.h>
#ifdef DEBUG
#define DEBUG_MSG(...) scr_printf(__VA_ARGS__)
@ -9,15 +15,41 @@
#define DEBUG_MSG(...)
#endif
#define OFFSET_X 0
#define OFFSET_Y 0
int gs_init(int width, int height, int psm, int psmz, int vmode, int gmode) {
int fb_address = graph_vram_allocate(width, height, psm, GRAPH_ALIGN_PAGE);
graph_set_mode(gmode, vmode, GRAPH_MODE_FIELD, GRAPH_DISABLE);
graph_set_screen(OFFSET_X, OFFSET_Y, width, height);
graph_set_bgcolor(0, 0, 0);
graph_set_framebuffer_filtered(fb_address, width, psm, 0, 0);
graph_enable_output();
qword_t buff[20];
qword_t *q = buff;
q = draw_primitive_xyoffset(q, 0, 0, 0);
q = draw_finish(q);
dma_channel_send_normal(DMA_CHANNEL_GIF, buff, q-buff, 0, 0);
dma_wait_fast();
return 0;
}
int main() {
#ifdef DEBUG
sceSifInitRpc(0);
init_scr();
#endif
DEBUG_MSG("Hello PS2!!!\n");
sleep(5);
DEBUG_MSG("PS2 Initialized\n");
// initialize DMAC
dma_channel_initialize(DMA_CHANNEL_GIF, 0, 0);
dma_channel_fast_waits(DMA_CHANNEL_GIF);
DEBUG_MSG("DMA Initialized...");
// initialize graphics mode
gs_init(664, 480, GS_PSM_32, GS_PSMZ_32, GRAPH_MODE_NTSC, GRAPH_MODE_FIELD);
DEBUG_MSG("GS Initialized...");
// clear screen
// build buffer with triangle data
return 0;
sleep(5);
}