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vdp2: add nbg_aseprite_pigsy

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This commit is contained in:
Zack Buhman 2025-09-01 18:15:38 -05:00
parent d138e194bf
commit dc7903d56b
13 changed files with 319 additions and 3 deletions
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25
Makefile
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@ -1,6 +1,7 @@
MAKEFILE_PATH := $(patsubst %/,%,$(dir $(abspath $(firstword $(MAKEFILE_LIST)))))
CFLAGS = -Isaturn -I. -D__saturn__
CFLAGS += -Isaturn -I. -D__saturn__
CFLAGS += -Wno-error=unused-but-set-variable
OPT ?= -O2
LIB = ./saturn
@ -68,7 +69,27 @@ vdp2/nbg0_16color.elf: vdp2/nbg0_16color.o res/kirby.data.o res/kirby.data.pal.o
vdp2/nbg0_aseprite.elf: vdp2/nbg0_aseprite.o aseprite/palette.bin.o aseprite/character_patterns.bin.o aseprite/pattern_name_table.bin.o
vdp2/nbg0_aseprite_rustboro.elf: vdp2/nbg0_aseprite_rustboro.o aseprite/rustboro/character_pattern__tileset_0.bin.o aseprite/rustboro/character_pattern__tileset_1.bin.o aseprite/rustboro/palette.bin.o aseprite/rustboro/pattern_name_table__layer_0.bin.o aseprite/rustboro/pattern_name_table__layer_1.bin.o
NBG0_ASEPRITE_RUSTBORO_OBJ = \
aseprite/rustboro/character_pattern__tileset_0.bin.o \
aseprite/rustboro/character_pattern__tileset_1.bin.o \
aseprite/rustboro/palette.bin.o \
aseprite/rustboro/pattern_name_table__layer_0.bin.o \
aseprite/rustboro/pattern_name_table__layer_1.bin.o
vdp2/nbg0_aseprite_rustboro.elf: vdp2/nbg0_aseprite_rustboro.o $(NBG0_ASEPRITE_RUSTBORO_OBJ)
NBG_ASEPRITE_PIGSY_OBJ = \
aseprite/pigsy/character_pattern__tileset_0.bin.o \
aseprite/pigsy/character_pattern__tileset_1.bin.o \
aseprite/pigsy/character_pattern__tileset_2.bin.o \
aseprite/pigsy/character_pattern__tileset_3.bin.o \
aseprite/pigsy/palette.bin.o \
aseprite/pigsy/pattern_name_table__layer_0.bin.o \
aseprite/pigsy/pattern_name_table__layer_1.bin.o \
aseprite/pigsy/pattern_name_table__layer_2.bin.o \
aseprite/pigsy/pattern_name_table__layer_3.bin.o
vdp2/nbg_aseprite_pigsy.elf: vdp2/nbg_aseprite_pigsy.o $(NBG_ASEPRITE_PIGSY_OBJ)
vdp2/nbg0_font.elf: vdp2/nbg0_font.o saturn/start.o font/hp_100lx_4bit.data.o

BIN
aseprite/pigsy.aseprite Normal file
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5
aseprite/pigsy/character_pattern__tileset_0.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_0_bin_start __asm("_binary_aseprite_pigsy_character_pattern__tileset_0_bin_start");
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_0_bin_end __asm("_binary_aseprite_pigsy_character_pattern__tileset_0_bin_end");
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_0_bin_size __asm("_binary_aseprite_pigsy_character_pattern__tileset_0_bin_size");

5
aseprite/pigsy/character_pattern__tileset_1.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_1_bin_start __asm("_binary_aseprite_pigsy_character_pattern__tileset_1_bin_start");
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_1_bin_end __asm("_binary_aseprite_pigsy_character_pattern__tileset_1_bin_end");
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_1_bin_size __asm("_binary_aseprite_pigsy_character_pattern__tileset_1_bin_size");

5
aseprite/pigsy/character_pattern__tileset_2.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_2_bin_start __asm("_binary_aseprite_pigsy_character_pattern__tileset_2_bin_start");
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_2_bin_end __asm("_binary_aseprite_pigsy_character_pattern__tileset_2_bin_end");
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_2_bin_size __asm("_binary_aseprite_pigsy_character_pattern__tileset_2_bin_size");

5
aseprite/pigsy/character_pattern__tileset_3.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_3_bin_start __asm("_binary_aseprite_pigsy_character_pattern__tileset_3_bin_start");
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_3_bin_end __asm("_binary_aseprite_pigsy_character_pattern__tileset_3_bin_end");
extern uint32_t _binary_aseprite_pigsy_character_pattern__tileset_3_bin_size __asm("_binary_aseprite_pigsy_character_pattern__tileset_3_bin_size");

5
aseprite/pigsy/palette.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_palette_bin_start __asm("_binary_aseprite_pigsy_palette_bin_start");
extern uint32_t _binary_aseprite_pigsy_palette_bin_end __asm("_binary_aseprite_pigsy_palette_bin_end");
extern uint32_t _binary_aseprite_pigsy_palette_bin_size __asm("_binary_aseprite_pigsy_palette_bin_size");

5
aseprite/pigsy/pattern_name_table__layer_0.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_0_bin_start __asm("_binary_aseprite_pigsy_pattern_name_table__layer_0_bin_start");
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_0_bin_end __asm("_binary_aseprite_pigsy_pattern_name_table__layer_0_bin_end");
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_0_bin_size __asm("_binary_aseprite_pigsy_pattern_name_table__layer_0_bin_size");

5
aseprite/pigsy/pattern_name_table__layer_1.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_1_bin_start __asm("_binary_aseprite_pigsy_pattern_name_table__layer_1_bin_start");
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_1_bin_end __asm("_binary_aseprite_pigsy_pattern_name_table__layer_1_bin_end");
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_1_bin_size __asm("_binary_aseprite_pigsy_pattern_name_table__layer_1_bin_size");

5
aseprite/pigsy/pattern_name_table__layer_2.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_2_bin_start __asm("_binary_aseprite_pigsy_pattern_name_table__layer_2_bin_start");
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_2_bin_end __asm("_binary_aseprite_pigsy_pattern_name_table__layer_2_bin_end");
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_2_bin_size __asm("_binary_aseprite_pigsy_pattern_name_table__layer_2_bin_size");

5
aseprite/pigsy/pattern_name_table__layer_3.bin.h Normal file
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@ -0,0 +1,5 @@
#pragma once
#include <stdint.h>
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_3_bin_start __asm("_binary_aseprite_pigsy_pattern_name_table__layer_3_bin_start");
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_3_bin_end __asm("_binary_aseprite_pigsy_pattern_name_table__layer_3_bin_end");
extern uint32_t _binary_aseprite_pigsy_pattern_name_table__layer_3_bin_size __asm("_binary_aseprite_pigsy_pattern_name_table__layer_3_bin_size");

2
vdp2/nbg0_aseprite_rustboro.cpp
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@ -64,7 +64,7 @@ void pattern_name_table_data(const buf_size_t * buf_size,
for (uint32_t i = 0; i < buf_size->size / 4; i++) {
uint32_t data = buf_size->buf[i];
uint32_t character_number = (data & 0x7fff) * 8 + character_offset;
uint32_t flags = data & 0xffff0000;
uint32_t flags = data & 0xf0000000;
vdp2.vram.u32[(vram_offset / 4) + i] = flags | character_number;
}
}

250
vdp2/nbg_aseprite_pigsy.cpp Normal file
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@ -0,0 +1,250 @@
#include <stdint.h>
#include "vdp2.h"
#include "../common/vdp2_func.hpp"
#include "aseprite/pigsy/character_pattern__tileset_0.bin.h"
#include "aseprite/pigsy/character_pattern__tileset_1.bin.h"
#include "aseprite/pigsy/character_pattern__tileset_2.bin.h"
#include "aseprite/pigsy/character_pattern__tileset_3.bin.h"
#include "aseprite/pigsy/palette.bin.h"
#include "aseprite/pigsy/pattern_name_table__layer_0.bin.h"
#include "aseprite/pigsy/pattern_name_table__layer_1.bin.h"
#include "aseprite/pigsy/pattern_name_table__layer_2.bin.h"
#include "aseprite/pigsy/pattern_name_table__layer_3.bin.h"
void palette_data()
{
const uint16_t * buf = reinterpret_cast<uint16_t *>(&_binary_aseprite_pigsy_palette_bin_start);
const uint32_t buf_size = reinterpret_cast<uint32_t>(&_binary_aseprite_pigsy_palette_bin_size);
for (uint32_t i = 0; i < buf_size / 2; i++) {
vdp2.cram.u16[i] = buf[i];
}
}
typedef struct buf_size {
uint32_t const * const buf;
const uint32_t size;
} buf_size_t;
const buf_size_t character_patterns[] = {
{
.buf = (uint32_t *)(&_binary_aseprite_pigsy_character_pattern__tileset_0_bin_start),
.size = (uint32_t)(&_binary_aseprite_pigsy_character_pattern__tileset_0_bin_size),
},
{
.buf = (uint32_t *)(&_binary_aseprite_pigsy_character_pattern__tileset_1_bin_start),
.size = (uint32_t)(&_binary_aseprite_pigsy_character_pattern__tileset_1_bin_size),
},
{
.buf = (uint32_t *)(&_binary_aseprite_pigsy_character_pattern__tileset_2_bin_start),
.size = (uint32_t)(&_binary_aseprite_pigsy_character_pattern__tileset_2_bin_size),
},
{
.buf = (uint32_t *)(&_binary_aseprite_pigsy_character_pattern__tileset_3_bin_start),
.size = (uint32_t)(&_binary_aseprite_pigsy_character_pattern__tileset_3_bin_size),
},
};
uint32_t character_pattern_data(const buf_size_t * buf_size, const uint32_t top)
{
const uint32_t base_address = top - buf_size->size; // in bytes
for (uint32_t i = 0; i < (buf_size->size / 4); i++) {
vdp2.vram.u32[(base_address / 4) + i] = buf_size->buf[i];
}
return base_address;
}
const buf_size_t pattern_name_tables[] = {
{
.buf = (uint32_t *)(&_binary_aseprite_pigsy_pattern_name_table__layer_0_bin_start),
.size = (uint32_t)(&_binary_aseprite_pigsy_pattern_name_table__layer_0_bin_size),
},
{
.buf = (uint32_t *)(&_binary_aseprite_pigsy_pattern_name_table__layer_1_bin_start),
.size = (uint32_t)(&_binary_aseprite_pigsy_pattern_name_table__layer_1_bin_size),
},
{
.buf = (uint32_t *)(&_binary_aseprite_pigsy_pattern_name_table__layer_2_bin_start),
.size = (uint32_t)(&_binary_aseprite_pigsy_pattern_name_table__layer_2_bin_size),
},
{
.buf = (uint32_t *)(&_binary_aseprite_pigsy_pattern_name_table__layer_3_bin_start),
.size = (uint32_t)(&_binary_aseprite_pigsy_pattern_name_table__layer_3_bin_size),
},
};
void pattern_name_table_data(const buf_size_t * buf_size,
const uint32_t vram_offset,
const uint32_t character_offset)
{
for (uint32_t i = 0; i < buf_size->size / 4; i++) {
uint32_t data = buf_size->buf[i];
uint32_t character_number = (data & 0x7fff) * 2 + character_offset;
uint32_t flags = data & 0xf0000000;
vdp2.vram.u32[(vram_offset / 4) + i] = flags | character_number;
}
}
void main()
{
v_blank_in();
// DISP: Please make sure to change this bit from 0 to 1 during V blank.
vdp2.reg.TVMD = ( TVMD__DISP | TVMD__LSMD__NON_INTERLACE
| TVMD__VRESO__240 | TVMD__HRESO__NORMAL_320);
/* set the color mode to 5bits per channel, 1024 colors */
vdp2.reg.RAMCTL = RAMCTL__CRMD__RGB_5BIT_1024;
vdp2.reg.PRINA = PRINA__N0PRIN(1) | PRINA__N1PRIN(2);
vdp2.reg.PRINB = PRINB__N2PRIN(3) | PRINB__N3PRIN(4);
vdp2.reg.VRSIZE = 0;
/* enable display of NBG0 */
vdp2.reg.BGON = BGON__N0ON | BGON__N0TPON
| BGON__N1ON
| BGON__N2ON
| BGON__N3ON;
/* set character format for NBG0 to palettized 16 color
set enable "cell format" for NBG0
set character size for NBG0 to 1x1 cell */
vdp2.reg.CHCTLA = CHCTLA__N0CHCN__256_COLOR
| CHCTLA__N0BMEN__CELL_FORMAT
| CHCTLA__N0CHSZ__1x1_CELL
| CHCTLA__N1CHCN__256_COLOR
| CHCTLA__N1BMEN__CELL_FORMAT
| CHCTLA__N1CHSZ__1x1_CELL;
vdp2.reg.CHCTLB = CHCTLB__N2CHCN__256_COLOR
| CHCTLB__N2CHSZ__1x1_CELL
| CHCTLB__N3CHCN__256_COLOR
| CHCTLB__N3CHSZ__1x1_CELL;
/* plane size */
vdp2.reg.PLSZ = PLSZ__N0PLSZ__1x1 | PLSZ__N1PLSZ__2x1 | PLSZ__N2PLSZ__2x1 | PLSZ__N3PLSZ__2x1;
/* map plane offset
1-word: value of bit 6-0 * 0x2000
2-word: value of bit 5-0 * 0x4000
*/
constexpr int plane_b = (0 << 1);
constexpr int plane_b_offset = (plane_b >> 1) * 0x8000; // plane size: 2x1 ; 0x00000
constexpr int plane_c = (1 << 1);
constexpr int plane_c_offset = (plane_c >> 1) * 0x8000; // plane size: 2x1 ; 0x08000
constexpr int plane_d = (2 << 1);
constexpr int plane_d_offset = (plane_d >> 1) * 0x8000; // plane size: 2x1 ; 0x10000
constexpr int plane_a = 6;
constexpr int plane_a_offset = plane_a * 0x4000; // plane size: 1x1 ; 0x18000
// Enable VRAM bank partitioning
vdp2.reg.RAMCTL = RAMCTL__VRAMD | RAMCTL__VRBMD;
vdp2.reg.MPOFN = MPOFN__N1MP(0) | MPOFN__N0MP(0)
| MPOFN__N3MP(0) | MPOFN__N2MP(0); // bits 8~6
vdp2.reg.MPABN0 = MPABN0__N0MPB(plane_a) | MPABN0__N0MPA(plane_a); // bits 5~0
vdp2.reg.MPCDN0 = MPCDN0__N0MPD(plane_a) | MPCDN0__N0MPC(plane_a); // bits 5~0
vdp2.reg.PNCN0 = PNCN0__N0PNB__2WORD;
vdp2.reg.MPABN1 = MPABN1__N1MPB(plane_b) | MPABN1__N1MPA(plane_b); // bits 5~0
vdp2.reg.MPCDN1 = MPCDN1__N1MPD(plane_b) | MPCDN1__N1MPC(plane_b); // bits 5~0
vdp2.reg.PNCN1 = PNCN1__N1PNB__2WORD;
vdp2.reg.MPABN2 = MPABN2__N2MPB(plane_c) | MPABN2__N2MPA(plane_c); // bits 5~0
vdp2.reg.MPCDN2 = MPCDN2__N2MPD(plane_c) | MPCDN2__N2MPC(plane_c); // bits 5~0
vdp2.reg.PNCN2 = PNCN2__N2PNB__2WORD;
vdp2.reg.MPABN3 = MPABN3__N3MPB(plane_d) | MPABN3__N3MPA(plane_d); // bits 5~0
vdp2.reg.MPCDN3 = MPCDN3__N3MPD(plane_d) | MPCDN3__N3MPC(plane_d); // bits 5~0
vdp2.reg.PNCN3 = PNCN3__N3PNB__2WORD;
// cpu access
vdp2.reg.CYCA0 = 0xeeeeeeee;
vdp2.reg.CYCA1 = 0xeeeeeeee;
vdp2.reg.CYCB0 = 0xeeeeeeee;
vdp2.reg.CYCB1 = 0xeeeeeeee;
uint32_t top = (sizeof (union vdp2_vram));
palette_data();
top = character_pattern_data(&character_patterns[3], top);
uint32_t pattern_base_0 = top / 32;
top = character_pattern_data(&character_patterns[0], top);
uint32_t pattern_base_1 = top / 32;
top = character_pattern_data(&character_patterns[1], top);
uint32_t pattern_base_2 = top / 32;
top = character_pattern_data(&character_patterns[2], top);
uint32_t pattern_base_3 = top / 32;
pattern_name_table_data(&pattern_name_tables[0],
plane_a_offset,
pattern_base_0);
pattern_name_table_data(&pattern_name_tables[1],
plane_b_offset,
pattern_base_1);
pattern_name_table_data(&pattern_name_tables[2],
plane_c_offset,
pattern_base_2);
pattern_name_table_data(&pattern_name_tables[3],
plane_d_offset,
pattern_base_3);
int sx = 0;
int sy = 0;
int dsx = 1;
int dsy = 0;
vdp2.reg.CYCA0 = 0x0123ffff;
vdp2.reg.CYCA1 = 0x0123ffff;
vdp2.reg.CYCB0 = 0x4567ffff;
vdp2.reg.CYCB1 = 0x4567ffff;
while (true) {
vdp2.reg.SCXIN0 = sx >> 3;
vdp2.reg.SCXDN0 = (sx & 0b11) << 14;
vdp2.reg.SCYIN0 = sy >> 1;
vdp2.reg.SCYDN0 = (sy & 1) << 15;
vdp2.reg.SCXIN1 = sx >> 2;
vdp2.reg.SCXDN1 = (sx & 0b11) << 14;
vdp2.reg.SCYIN1 = sy >> 1;
vdp2.reg.SCYDN1 = (sy & 1) << 15;
vdp2.reg.SCXN2 = sx >> 1;
vdp2.reg.SCYN2 = sy >> 1;
vdp2.reg.SCXN3 = sx >> 0;
vdp2.reg.SCYN3 = -96;
if ((sx >> 2) >= 640 + 10)
dsx = -1;
if ((sx >> 2) <= 0 - 10)
dsx = +1;
if ((sy >> 1) >= 720 + 10)
dsy = -1;
if ((sy >> 1) <= 0 - 10)
dsy = +1;
sx += dsx;
sy += dsy;
while ((vdp2.reg.TVSTAT & TVSTAT__VBLANK) == 0);
while ((vdp2.reg.TVSTAT & TVSTAT__VBLANK) != 0);
}
}