sound_cpu__interrupt: add slot visuals
This shows the value of some of the most relevant SCSP slot fields.
This commit is contained in:
parent
3358d95704
commit
3b82199d08
8
Makefile
8
Makefile
@ -51,6 +51,9 @@ res/dejavusansmono.font.bin: tools/ttf-convert
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res/ipapgothic.font.bin: tools/ttf-convert
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./tools/ttf-convert 3000 30ff 28 $(shell fc-match -f '%{file}' 'IPAPGothic') $@
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res/sperrypc.font.bin: tools/ttf-convert
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./tools/ttf-convert 20 7f 8 res/Bm437_SperryPC_CGA.otb $@
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common/keyboard.hpp: common/keyboard.py
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python common/keyboard.py header > $@
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@ -86,7 +89,7 @@ m68k/%.bin: m68k
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scsp/sound_cpu__slot.elf: scsp/sound_cpu__slot.o m68k/slot.bin.o
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scsp/sound_cpu__interrupt.elf: scsp/sound_cpu__interrupt.o m68k/interrupt.bin.o
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scsp/sound_cpu__interrupt.elf: scsp/sound_cpu__interrupt.o m68k/interrupt.bin.o sh/lib1funcs.o res/sperrypc.font.bin.o common/draw_font.o common/palette.o
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# clean
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clean: clean-sh
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@ -101,6 +104,7 @@ clean-sh:
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common/keyboard.cpp \
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common/keyboard.hpp \
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wordle/word_list.hpp
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make -C tools clean
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make -C m68k clean
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PHONY: m68k tools
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@ -14,7 +14,8 @@ struct state {
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uint32_t font_data(void * buf, uint32_t top, state& state);
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template <typename T>
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uint32_t horizontal_string(state const& s,
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inline
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int32_t horizontal_string(state const& s,
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uint32_t& cmd_ix,
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const T * string,
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const uint32_t length,
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@ -50,6 +51,7 @@ uint32_t horizontal_string(state const& s,
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}
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template <typename T>
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inline
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uint32_t single_character_centered(state const& s,
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uint32_t cmd_ix,
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const T c,
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@ -4,13 +4,15 @@
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extern void * _jojo_start __asm("_binary_jojo_11025_s16be_1ch_pcm_start");
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static volatile int32_t frame = 0;
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static volatile int32_t frame = 0x0;
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constexpr int32_t tactl = 7;
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constexpr int32_t frame_size = ((1 << tactl) * 256) / (44100 / 11025);
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constexpr int32_t frame_count = 507150 / (frame_size * 2);
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constexpr int32_t tima = 0;
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static uint16_t slot_ix = 0;
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extern "C"
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void auto_vector_1(void) __attribute__ ((interrupt_handler));
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void auto_vector_1(void)
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@ -24,11 +26,12 @@ void auto_vector_1(void)
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const uint16_t * jojo_start = reinterpret_cast<uint16_t *>(&_jojo_start);
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const uint32_t frame_addr = reinterpret_cast<uint32_t>(&jojo_start[frame * frame_size]);
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scsp_slot& slotp = scsp.reg.slot[(frame - 1) % 32];
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scsp_slot& slotp = scsp.reg.slot[(slot_ix - 1) & 31];
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slotp.LOOP = 0;
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slotp.LOOP |= LOOP__KYONEX;
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scsp_slot& slot = scsp.reg.slot[(frame) % 32];
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scsp.reg.ctrl.STATUS = STATUS__MSLC(slot_ix & 31);
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scsp_slot& slot = scsp.reg.slot[slot_ix & 31];
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slot.LOOP = LOOP__KYONB | LOOP__SA(frame_addr); // kx kb sbctl[1:0] ssctl[1:0] lpctl[1:0] 8b sa[19:16]
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slot.SA = SA__SA(frame_addr); // start address (bytes)
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slot.LSA = 0; // loop start address (samples)
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@ -42,7 +45,10 @@ void auto_vector_1(void)
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slot.LOOP |= LOOP__KYONEX;
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scsp.ram.u32[0] = (0xdead << 16) | (slot_ix);
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scsp.ram.u32[1] = frame;
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frame++;
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slot_ix++;
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return;
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}
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@ -54,6 +60,15 @@ void main()
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for (int i = 0; i < 32; i++) {
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scsp_slot& slot = scsp.reg.slot[i];
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slot.LOOP = 0;
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slot.SA = 0;
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slot.LSA = 0;
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slot.LEA = 0;
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slot.EG = 0;
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slot.VOLUME = 0;
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slot.FM = 0;
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slot.PITCH = 0;
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slot.LFO = 0;
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slot.MIXER = 0;
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slot.LOOP |= LOOP__KYONEX;
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}
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@ -71,25 +86,4 @@ void main()
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scsp.reg.ctrl.TIMA = TIMA__TACTL(tactl) | TIMA__TIMA(tima);
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asm volatile ("move.w #8192,%sr");
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/*
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const uint16_t * jojo_start = reinterpret_cast<uint16_t *>(&_jojo_start);
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const uint32_t frame_addr = reinterpret_cast<uint32_t>(&jojo_start[frame * 128]);
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scsp_slot& slot = scsp.reg.slot[0];
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slot.LOOP = 0;
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slot.LOOP |= LOOP__KYONEX;
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slot.LOOP = LOOP__KYONB | LOOP__SA(frame_addr); // kx kb sbctl[1:0] ssctl[1:0] lpctl[1:0] 8b sa[19:16]
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slot.SA = SA__SA(frame_addr); // start address (bytes)
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slot.LSA = 0; // loop start address (samples)
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slot.LEA = 128; // loop end address (samples)
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slot.EG = EG__AR(0x1f) | EG__EGHOLD; // d2r d1r ho ar krs dl rr
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slot.VOLUME = 0; // stwinh sdir tl
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slot.FM = 0; // mdl mdxsl mdysl
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slot.PITCH = PITCH__OCT(-2) | PITCH__FNS(0); // oct fns
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slot.LFO = 0; // lfof plfows
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slot.MIXER = MIXER__DISDL(0b101); // disdl dipan efsdl efpan
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slot.LOOP |= LOOP__KYONEX;
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*/
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}
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BIN
res/Bm437_SperryPC_CGA.otb
Normal file
BIN
res/Bm437_SperryPC_CGA.otb
Normal file
Binary file not shown.
@ -2,13 +2,80 @@
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#include "smpc.h"
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#include "scsp.h"
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#include "vdp1.h"
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#include "vdp2.h"
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#include "scu.h"
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#include "sh2.h"
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#include "../common/copy.hpp"
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#include "../common/font.hpp"
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#include "../common/draw_font.hpp"
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#include "../common/palette.hpp"
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#include "../common/vdp2_func.hpp"
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extern void * _m68k_start __asm("_binary_m68k_interrupt_bin_start");
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extern void * _m68k_size __asm("_binary_m68k_interrupt_bin_size");
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extern void * _sperrypc_start __asm("_binary_res_sperrypc_font_bin_start");
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void main()
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struct draw_state {
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uint32_t cmd_ix;
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struct draw_font::state font;
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};
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static struct draw_state draw_state;
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uint32_t print_hex(uint8_t * c, uint32_t len, uint32_t n)
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{
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uint32_t ret = 0;
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while (len > 0) {
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uint32_t nib = n & 0xf;
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n = n >> 4;
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if (nib > 9) {
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nib += (97 - 10);
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} else {
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nib += (48 - 0);
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}
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c[--len] = nib;
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ret++;
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}
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return ret;
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}
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int32_t draw_string(const uint8_t * string,
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const uint32_t length,
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const int32_t x,
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const int32_t y)
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{
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return draw_font::horizontal_string(draw_state.font,
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draw_state.cmd_ix,
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string,
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length,
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(x ),
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((y + 1) * 8) << 6);
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}
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static inline uint32_t init_font(uint32_t top)
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{
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// 256 is the number of colors in the color palette, not the number of grays
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// that are used by the font.
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constexpr uint32_t colors_per_palette = 256;
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constexpr uint32_t color_bank_index = 0; // completely random and arbitrary value
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palette::vdp2_cram_32grays(colors_per_palette, color_bank_index);
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// For color bank color, COLR is concatenated bitwise with pixel data. See
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// Figure 6.17 in the VDP1 manual.
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draw_state.font.color_address = color_bank_index << 8;
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top = font_data(&_sperrypc_start, top, draw_state.font);
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return top;
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}
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void init_sound()
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{
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/* SEGA SATURN TECHNICAL BULLETIN # 51
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@ -23,6 +90,12 @@ void main()
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scsp.reg.ctrl.MIXER = MIXER__MEM4MB;
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/*
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The Saturn BIOS does not (un)initialize the DSP. Without zeroizing the DSP
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program, the SCSP DSP appears to have a program that continuously writes to
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0x30000 through 0x3ffff in sound RAM, which has the effect of destroying any
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samples stored there.
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*/
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reg32 * dsp_steps = reinterpret_cast<reg32*>(&(scsp.reg.dsp.STEP[0].MPRO[0]));
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fill<reg32>(dsp_steps, 0, (sizeof (scsp.reg.dsp.STEP)));
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@ -34,8 +107,157 @@ void main()
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smpc.reg.SF = 1;
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smpc.reg.COMREG = COMREG__SNDON;
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while (smpc.reg.oreg[31] != OREG31__SNDON);
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}
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// do nothing while the sound CPU manipulates the SCSP
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static inline void init_vdp()
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{
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// wait for the beginning of a V blank
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v_blank_in();
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// DISP: Please make sure to change this bit from 0 to 1 during V blank.
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vdp2.reg.TVMD = ( TVMD__DISP | TVMD__LSMD__NON_INTERLACE
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| TVMD__VRESO__240 | TVMD__HRESO__NORMAL_320);
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// disable all VDP2 backgrounds (e.g: the Sega bios logo)
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vdp2.reg.BGON = 0;
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// zeroize BACK color
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vdp2.reg.BKTAU = 0;
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vdp2.reg.BKTAL = 0;
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vdp2.vram.u16[0] = 0;
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vdp2.reg.PRISA = PRISA__S0PRIN(1); // Sprite register 0 PRIority Number
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/* TVM settings must be performed from the second H-blank IN interrupt after the
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V-blank IN interrupt to the H-blank IN interrupt immediately after the V-blank
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OUT interrupt. */
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// "normal" display resolution, 16 bits per pixel, 512x256 framebuffer
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vdp1.reg.TVMR = TVMR__TVM__NORMAL;
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// swap framebuffers every 1 cycle; non-interlace
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vdp1.reg.FBCR = 0;
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// during a framebuffer erase cycle, write the color "black" to each pixel
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constexpr uint16_t black = 0x0000;
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vdp1.reg.EWDR = black;
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// erase upper-left coordinate
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vdp1.reg.EWLR = EWLR__16BPP_X1(0) | EWLR__Y1(0);
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// erase lower-right coordinate
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vdp1.reg.EWRR = EWRR__16BPP_X3(319) | EWRR__Y3(239);
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vdp1.vram.cmd[0].CTRL = CTRL__JP__JUMP_NEXT | CTRL__COMM__SYSTEM_CLIP_COORDINATES;
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vdp1.vram.cmd[0].LINK = 0;
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vdp1.vram.cmd[0].XC = 319;
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vdp1.vram.cmd[0].YC = 239;
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vdp1.vram.cmd[1].CTRL = CTRL__JP__JUMP_NEXT | CTRL__COMM__LOCAL_COORDINATE;
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vdp1.vram.cmd[1].LINK = 0;
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vdp1.vram.cmd[1].XA = 0;
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vdp1.vram.cmd[1].YA = 0;
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vdp1.vram.cmd[2].CTRL = CTRL__END;
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draw_state.cmd_ix = 2;
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// start drawing (execute the command list) on every frame
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vdp1.reg.PTMR = PTMR__PTM__FRAME_CHANGE;
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}
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template <uint32_t n, uint32_t size>
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inline void draw_label(const uint8_t(&label)[size], int32_t advance, int32_t & row, uint32_t value)
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{
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advance = (advance * 8) << 6;
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advance += draw_string(label, (sizeof (label)) - 1, advance, row);
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uint8_t v[n];
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print_hex(v, (sizeof (v)), value);
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draw_string(v, (sizeof (v)), advance, row);
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row++;
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};
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static inline void render()
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{
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draw_state.cmd_ix = 2;
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if ((scsp.ram.u32[0] & 0xffff0000) != static_cast<uint32_t>(0xdead << 16))
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return;
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uint16_t slot_ix = scsp.ram.u32[0] & 0xffff;
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uint16_t slotp_ix = (slot_ix - 1) & 31;
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slot_ix &= 31;
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uint32_t frame = scsp.ram.u32[1];
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int32_t row = 1;
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const uint8_t frame_l[] = "frame: 0x";
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draw_label<4>(frame_l, 1, row, frame);
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row++;
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// previous slot
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const uint8_t slotp_l[] = "slot_previous: 0x";
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draw_label<2>(slotp_l, 1, row, slotp_ix);
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scsp_slot& slot_p = scsp.reg.slot[slotp_ix];
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const uint8_t kyonb_l[] = "KYONB: ";
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const uint32_t kyonb_p = (slot_p.LOOP >> 11) & 1;
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draw_label<1>(kyonb_l, 3, row, kyonb_p);
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row++;
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// current slot
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const uint8_t slot_l[] = "slot: 0x";
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draw_label<2>(slot_l, 1, row, slot_ix);
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scsp_slot& slot = scsp.reg.slot[slot_ix];
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uint32_t kyonb = (slot.LOOP >> 11) & 1;
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draw_label<1>(kyonb_l, 3, row, kyonb);
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const uint8_t sa_l[] = "SA: 0x";
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const uint32_t sa = ((slot.LOOP & 0b1111) << 16) | slot.SA;
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draw_label<5>(sa_l, 3, row, sa);
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const uint8_t lsa_l[] = "LSA: 0x";
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draw_label<4>(lsa_l, 3, row, slot.LSA);
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const uint8_t lea_l[] = "LEA: 0x";
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draw_label<4>(lea_l, 3, row, slot.LEA);
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row++;
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// global
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const uint8_t ca_l[] = "STATUS__CA: 0x";
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draw_label<1>(ca_l, 1, row, STATUS__CA(scsp.reg.ctrl.STATUS));
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vdp1.vram.cmd[draw_state.cmd_ix].CTRL = CTRL__END;
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}
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void v_blank_in_int(void) __attribute__ ((interrupt_handler));
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void v_blank_in_int()
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{
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scu.reg.IST &= ~(IST__V_BLANK_IN);
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scu.reg.IMS = ~(IMS__V_BLANK_IN);
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render();
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}
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void main()
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{
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uint32_t top = (sizeof (union vdp1_vram));
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top = init_font(top);
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init_vdp();
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sh2_vec[SCU_VEC__V_BLANK_IN] = (u32)(&v_blank_in_int);
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scu.reg.IST = 0;
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scu.reg.IMS = ~(IMS__V_BLANK_IN);
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init_sound();
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}
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extern "C"
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@ -23,6 +23,15 @@ void main()
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scsp.reg.ctrl.MIXER = MIXER__MEM4MB;
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/*
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The Saturn BIOS does not (un)initialize the DSP. Without zeroizing the DSP
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program, the SCSP DSP appears to have a program that continuously writes to
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0x30000 through 0x3ffff in sound RAM, which has the effect of destroying any
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samples stored there.
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*/
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reg32 * dsp_steps = reinterpret_cast<reg32*>(&(scsp.reg.dsp.STEP[0].MPRO[0]));
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fill<reg32>(dsp_steps, 0, (sizeof (scsp.reg.dsp.STEP)));
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uint32_t * m68k_main_start = reinterpret_cast<uint32_t*>(&_m68k_start);
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uint32_t m68k_main_size = reinterpret_cast<uint32_t>(&_m68k_size);
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copy<uint32_t>(&scsp.ram.u32[0], m68k_main_start, m68k_main_size);
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@ -10,6 +10,11 @@ all: ttf-convert
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%: %.o
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$(CXX) $(LDFLAGS) $< -o $@
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.SUFFIXES:
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clean:
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rm -f *.o ttf-convert
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.SUFFIXES:
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.INTERMEDIATE:
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.SECONDARY:
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.PHONY: all clean
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# /usr/share/fonts/OTF/ipagp.ttf
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@ -68,7 +68,7 @@ load_outline_char(const FT_Face face,
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return -1;
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}
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assert(face->glyph->format == FT_GLYPH_FORMAT_OUTLINE);
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//assert(face->glyph->format == FT_GLYPH_FORMAT_OUTLINE);
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error = FT_Render_Glyph(face->glyph, FT_RENDER_MODE_NORMAL);
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if (error) {
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@ -79,6 +79,8 @@ load_outline_char(const FT_Face face,
|
||||
uint32_t pitch = (face->glyph->bitmap.pitch + 8 - 1) & -8;
|
||||
uint32_t bitmap_size = face->glyph->bitmap.rows * pitch;
|
||||
|
||||
//printf("num_grays %d\n", face->glyph->bitmap.num_grays);
|
||||
|
||||
if (!(face->glyph->bitmap.pitch > 0)) {
|
||||
assert(pitch == 0);
|
||||
assert(bitmap_size == 0);
|
||||
@ -86,12 +88,42 @@ load_outline_char(const FT_Face face,
|
||||
assert(face->glyph->bitmap.rows == 0);
|
||||
}
|
||||
|
||||
switch (face->glyph->bitmap.num_grays) {
|
||||
case 2:
|
||||
{
|
||||
for (unsigned int y = 0; y < face->glyph->bitmap.rows; y++) {
|
||||
uint8_t * row = &face->glyph->bitmap.buffer[y * face->glyph->bitmap.pitch];
|
||||
//uint8_t row_out = 0;
|
||||
for (unsigned int x = 0; x < face->glyph->bitmap.width; x++) {
|
||||
int bit;
|
||||
bit = (row[x / 8] >> (7 - (x % 8))) & 1;
|
||||
//fprintf(stderr, bit ? "█" : " ");
|
||||
//row_out |= (bit << x);
|
||||
|
||||
// FIXME: this is lazy: this bloats the storage format from
|
||||
// 1 bit per pixel to 8 bits per pixel, even though this
|
||||
// expansion could be done at runtime inside vdp1 vram
|
||||
// instead.
|
||||
glyph_bitmaps[bitmap_offset + (y * pitch + x)] = bit ? 31 : 0;
|
||||
}
|
||||
//fprintf(stderr, "\n");
|
||||
//buf[y] = row_out;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 256:
|
||||
{
|
||||
for (uint32_t y = 0; y < face->glyph->bitmap.rows; y++) {
|
||||
for (uint32_t x = 0; x < face->glyph->bitmap.width; x++) {
|
||||
uint8_t i = face->glyph->bitmap.buffer[y * face->glyph->bitmap.pitch + x];
|
||||
glyph_bitmaps[bitmap_offset + (y * pitch + x)] = i >> 3;
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
assert(-1 == face->glyph->bitmap.num_grays);
|
||||
}
|
||||
|
||||
//memcpy(&glyph_bitmaps[bitmap_offset], face->glyph->bitmap.buffer, bitmap_size);
|
||||
|
||||
@ -130,7 +162,7 @@ int main(int argc, char *argv[])
|
||||
FT_Face face;
|
||||
FT_Error error;
|
||||
|
||||
if (argc < 5) {
|
||||
if (argc != 6) {
|
||||
std::cerr << "usage: " << argv[0] << " [start-hex] [end-hex] [pixel-size] [font-file-path] [output-file-path]\n\n";
|
||||
std::cerr << " ex: " << argv[0] << " 3000 30ff 30 ipagp.ttf font.bin\n";
|
||||
return -1;
|
||||
@ -178,9 +210,6 @@ int main(int argc, char *argv[])
|
||||
ss2 << std::hex << argv[2];
|
||||
ss2 >> end;
|
||||
|
||||
//uint32_t start = 0x20;
|
||||
//uint32_t end = 0x7f;
|
||||
|
||||
glyph glyphs[(end - start) + 1];
|
||||
uint8_t glyph_bitmaps[1024 * 1024];
|
||||
memset(glyph_bitmaps, 0x00, 1024 * 1024);
|
||||
@ -218,6 +247,10 @@ int main(int argc, char *argv[])
|
||||
std::cerr << "glyph_index: 0x" << std::hex << glyph_index << '\n';
|
||||
|
||||
FILE * out = fopen(argv[5], "w");
|
||||
if (out == NULL) {
|
||||
perror("fopen(w)");
|
||||
return -1;
|
||||
}
|
||||
|
||||
fwrite(reinterpret_cast<void*>(&font), (sizeof (font)), 1, out);
|
||||
fwrite(reinterpret_cast<void*>(&glyphs[0]), (sizeof (glyph)), glyph_index, out);
|
||||
|
||||
@ -203,7 +203,8 @@ void render()
|
||||
}
|
||||
|
||||
void v_blank_in_int(void) __attribute__ ((interrupt_handler));
|
||||
void v_blank_in_int() {
|
||||
void v_blank_in_int()
|
||||
{
|
||||
scu.reg.IST &= ~(IST__V_BLANK_IN);
|
||||
scu.reg.IMS = ~(IMS__SMPC | IMS__V_BLANK_IN);
|
||||
|
||||
@ -262,14 +263,14 @@ void main()
|
||||
uint32_t top = (sizeof (union vdp1_vram));
|
||||
top = init_font(top);
|
||||
|
||||
// wait for the beginning of a V blank
|
||||
v_blank_in();
|
||||
|
||||
// wordle init
|
||||
const uint8_t word_ix = 6;
|
||||
wordle::init_screen(wordle_state, word_ix);
|
||||
// end wordle init
|
||||
|
||||
// wait for the beginning of a V blank
|
||||
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);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user