bilbo/dreamcast
1
0
Fork 0
Code Pull Requests Activity

modifier_volume_cube: read ISTNRM after interrupt

Browse Source
This commit is contained in:
Zack Buhman 2025-02-11 17:33:45 -06:00
parent 37ccafc9c8
commit 7022779eb7
1 changed files with 125 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

146
example/modifier_volume_cube.cpp
View File

@ -15,7 +15,9 @@
#include "holly/video_output.hpp"
#include "sh7091/sh7091.hpp"
#include "sh7091/sh7091_bits.hpp"
#include "sh7091/serial.hpp"
#include "sh7091/vbr.hpp"
#include "systembus.hpp"
#include "systembus_bits.hpp"
@ -55,6 +57,117 @@ using vec4 = vec<4, float>;
using mat3x3 = mat<3, 3, float>;
using mat4x4 = mat<4, 4, float>;
void vbr100()
{
serial::string("vbr100\n");
serial::string("expevt ");
serial::integer<uint16_t>(sh7091.CCN.EXPEVT);
serial::string("intevt ");
serial::integer<uint16_t>(sh7091.CCN.INTEVT);
serial::string("tra ");
serial::integer<uint16_t>(sh7091.CCN.TRA);
while (1);
}
void vbr400()
{
serial::string("vbr400");
serial::string("expevt ");
serial::integer<uint16_t>(sh7091.CCN.EXPEVT);
serial::string("intevt ");
serial::integer<uint16_t>(sh7091.CCN.INTEVT);
serial::string("tra ");
serial::integer<uint16_t>(sh7091.CCN.TRA);
while (1);
}
static int render_done = 0;
void vbr600()
{
if (sh7091.CCN.EXPEVT == 0 && sh7091.CCN.INTEVT == 0x320) {
uint32_t istnrm = system.ISTNRM;
uint32_t isterr = system.ISTERR;
if (isterr) {
serial::string("isterr: ");
serial::integer<uint32_t>(system.ISTERR);
}
if (istnrm & istnrm::end_of_render_tsp) {
system.ISTNRM = istnrm::end_of_render_tsp
| istnrm::end_of_render_isp
| istnrm::end_of_render_video;
render_done = 1;
return;
}
}
serial::string("vbr600");
serial::string("expevt ");
serial::integer<uint16_t>(sh7091.CCN.EXPEVT);
serial::string("intevt ");
serial::integer<uint16_t>(sh7091.CCN.INTEVT);
serial::string("tra ");
serial::integer<uint16_t>(sh7091.CCN.TRA);
serial::string("istnrm: ");
serial::integer<uint32_t>(system.ISTNRM);
serial::string("isterr: ");
serial::integer<uint32_t>(system.ISTERR);
serial::string("halt\n");
while (1);
}
void interrupt_init()
{
system.IML2NRM = 0;
system.IML2ERR = 0;
system.IML2EXT = 0;
system.IML4NRM = 0;
system.IML4ERR = 0;
system.IML4EXT = 0;
system.IML6NRM = 0;
system.IML6ERR = 0;
system.IML6EXT = 0;
system.ISTERR = 0xffffffff;
system.ISTNRM = 0xffffffff;
sh7091.CCN.INTEVT = 0;
sh7091.CCN.EXPEVT = 0;
uint32_t vbr = reinterpret_cast<uint32_t>(&__vbr_link_start) - 0x100;
serial::string("vbr ");
serial::integer<uint32_t>(vbr);
serial::string("vbr100 ");
serial::integer<uint32_t>(reinterpret_cast<uint32_t>(&vbr100));
asm volatile ("ldc %0,vbr"
:
: "r" (vbr));
uint32_t sr;
asm volatile ("stc sr,%0"
: "=r" (sr));
serial::string("sr ");
serial::integer<uint32_t>(sr);
sr &= ~sh::sr::bl; // BL
sr &= ~sh::sr::imask(15); // imask
serial::string("sr ");
serial::integer<uint32_t>(sr);
asm volatile ("ldc %0,sr"
:
: "r" (sr));
}
const float deg = 0.017453292519943295;
#define _fsrra(n) \
@ -916,6 +1029,10 @@ uint8_t __attribute__((aligned(32))) ta_parameter_buf[1024 * 1024];
void main()
{
serial::init(0);
interrupt_init();
//asm volatile ("trapa #0");
transfer_textures();
transfer_palette();
@ -942,6 +1059,9 @@ void main()
holly.SOFTRESET = 0;
core_init();
system.IML6NRM = istnrm::end_of_render_tsp;
holly.FPU_SHAD_SCALE = fpu_shad_scale::simple_shadow_enable::intensity_volume_mode
| fpu_shad_scale::scale_factor_for_shadows(128);
video_output::set_mode_vga();
@ -990,32 +1110,16 @@ void main()
ta_polygon_converter_transfer(writer.buf, writer.offset);
ta_wait_opaque_modifier_volume_list();
render_done = 0;
core_start_render2(texture_memory_alloc.region_array[core].start,
texture_memory_alloc.isp_tsp_parameters[core].start,
texture_memory_alloc.background[core].start,
texture_memory_alloc.framebuffer[core].start,
framebuffer_width);
bool timeout = core_wait_end_of_render_video();
if (timeout) {
serial::string("timeout\ntimeout\ntimeout\ntimeout\n");
holly.SOFTRESET = softreset::pipeline_soft_reset;
holly.SOFTRESET = 0;
for (int i = 0; i < 10000; i++) {
asm volatile ("nop");
}
core_start_render2(texture_memory_alloc.region_array[core].start,
texture_memory_alloc.isp_tsp_parameters[core].start,
texture_memory_alloc.background[core].start,
texture_memory_alloc.framebuffer[core].start,
framebuffer_width);
bool timeout = core_wait_end_of_render_video();
if (timeout) {
serial::string("timeout2\ntimeout2\ntimeout2\ntimeout2\n");
break;
}
serial:: string("recovered\n");
}
//serial::string("wait render_done");
while (render_done == 0) {
asm volatile ("nop");
};
holly.FB_R_SOF1 = texture_memory_alloc.framebuffer[ta].start;