Add title song

.vscode/settings.json

@@ -3,6 +3,7 @@
         "hardware.h": "c",
         "util.h": "c",
         "video.h": "c",
-        "vram.h": "c"
+        "vram.h": "c",
+        "game.h": "c"
     }
 }

src/actor.c

@@ -14,7 +14,7 @@
 #define FRAMES_PER_ANIM_FRAME 20
 #define PLAYER_ACTOR_IDX 0
 
-static actor_anim_state_t ANIM_TOTAL_FRAMES[] = {2};
+static actor_anim_state_t ANIM_TOTAL_FRAMES[] = {2, 1};
 
 static uint8_t mob_ids[MAX_UNIQUE_MOBS];
 static uint8_t *mob_anim_data[MAX_UNIQUE_MOBS];
@@ -32,7 +32,7 @@ void actor_init(void) {
     PLAYER_ACTOR->frame_idx = 0;
     PLAYER_ACTOR->frame_counter = 0;
     PLAYER_ACTOR->x = PLAYER.x;
-    PLAYER_ACTOR->y = PLAYER.y;
+    PLAYER_ACTOR->y = PLAYER.y_hi;
 }
 
 void actor_reset(void) {

src/actor.h

@@ -12,8 +12,9 @@ typedef enum {
 
 typedef enum {
     ANIM_STAND,
-    ANIM_WALK,
+    // TODO: Put JUMP at end later
     ANIM_JUMP,
+    ANIM_WALK,
     ANIM_ATTACK,
     ANIM_HURT,
     ANIM_CLIMB,

src/audio.c

@@ -0,0 +1,14 @@
+#include "hugedriver.h"
+#include "sdk/hardware.h"
+
+extern const hUGESong_t song_title;
+
+void audio_init(void) {
+    rAUDENA = 0x80;
+    rAUDTERM = 0xff;
+    rAUDVOL = 0x77;
+
+    hUGE_init(&song_title);
+}
+
+void audio_reset(void) { rAUDVOL = 0; }

src/collision.c

@@ -9,7 +9,8 @@ typedef enum {
 } coll_state_t;
 
 uint8_t can_move_to(uint8_t x, uint8_t y) {
-    const uint8_t coll = ((uint8_t*)MAP.collision_ptr)[y * MAP.map_width + x];
+    const uint8_t coll =
+        ((uint8_t*)MAP.collision_ptr)[y * (MAP.map_width + 1) + x];
     return coll & COLLF_WALK;
 }
 
@@ -23,12 +24,12 @@ uint8_t get_tile_coord(uint8_t pixel_coord) {
 
 uint8_t player_bg_collides(void) {
     const int8_t map_x = PLAYER.x / 8 + MAP.camera_x;
-    if (map_x < 0 || map_x >= MAP.map_width) {
+    if (map_x < 0 || map_x + 1 >= MAP.map_width) {
         return 1;
     }
 
-    const int8_t map_y = PLAYER.y / 8 + MAP.camera_y;
-    if (map_y < 0 || map_y >= MAP.map_height) {
+    const int8_t map_y = PLAYER.y_hi / 8 + MAP.camera_y;
+    if (map_y < 0 || map_y + 1 >= MAP.map_height) {
         return 1;
     }
 
@@ -38,8 +39,15 @@ uint8_t player_bg_collides(void) {
 }
 
 uint8_t player_in_air(void) {
-    const uint8_t x = get_tile_coord(PLAYER.x) + MAP.camera_x;
-    const uint8_t y = get_tile_coord(PLAYER.y) + MAP.camera_y;
+    const int8_t x = get_tile_coord(PLAYER.x) + MAP.camera_x;
+    if (x < 0 || x + 1 >= MAP.map_width) {
+        return 0;
+    }
+
+    const int8_t y = get_tile_coord(PLAYER.y_hi) + MAP.camera_y;
+    if (y < 0 || y + 2 >= MAP.map_height) {
+        return 0;
+    }
 
     return can_move_to(x, y + 2) && can_move_to(x + 1, y + 2);
 }

src/game.h

@@ -80,4 +80,8 @@ uint8_t player_bg_collides(void);
 
 uint8_t player_in_air(void);
 
+void audio_init(void);
+
+void audio_reset(void);
+
 #endif

src/hardware.inc

@@ -0,0 +1,913 @@
+;*
+;* Gameboy Hardware definitions
+;*
+;* Based on Jones' hardware.inc
+;* And based on Carsten Sorensen's ideas.
+;*
+;* Rev 1.1 - 15-Jul-97 : Added define check
+;* Rev 1.2 - 18-Jul-97 : Added revision check macro
+;* Rev 1.3 - 19-Jul-97 : Modified for RGBASM V1.05
+;* Rev 1.4 - 27-Jul-97 : Modified for new subroutine prefixes
+;* Rev 1.5 - 15-Aug-97 : Added _HRAM, PAD, CART defines
+;*                     :  and Nintendo Logo
+;* Rev 1.6 - 30-Nov-97 : Added rDIV, rTIMA, rTMA, & rTAC
+;* Rev 1.7 - 31-Jan-98 : Added _SCRN0, _SCRN1
+;* Rev 1.8 - 15-Feb-98 : Added rSB, rSC
+;* Rev 1.9 - 16-Feb-98 : Converted I/O registers to $FFXX format
+;* Rev 2.0 -           : Added GBC registers
+;* Rev 2.1 -           : Added MBC5 & cart RAM enable/disable defines
+;* Rev 2.2 -           : Fixed NR42,NR43, & NR44 equates
+;* Rev 2.3 -           : Fixed incorrect _HRAM equate
+;* Rev 2.4 - 27-Apr-13 : Added some cart defines (AntonioND)
+;* Rev 2.5 - 03-May-15 : Fixed format (AntonioND)
+;* Rev 2.6 - 09-Apr-16 : Added GBC OAM and cart defines (AntonioND)
+;* Rev 2.7 - 19-Jan-19 : Added rPCMXX (ISSOtm)
+;* Rev 2.8 - 03-Feb-19 : Added audio registers flags (�lvaro Cuesta)
+;* Rev 2.9 - 28-Feb-20 : Added utility rP1 constants
+;* Rev 3.0 - 27-Aug-20 : Register ordering, byte-based sizes, OAM additions, general cleanup (Blitter Object)
+
+; If all of these are already defined, don't do it again.
+
+IF !DEF(HARDWARE_INC)
+HARDWARE_INC SET 1
+
+rev_Check_hardware_inc : MACRO
+;NOTE: REVISION NUMBER CHANGES MUST BE ADDED
+;TO SECOND PARAMETER IN FOLLOWING LINE.
+    IF  \1 > 3.0 ;PUT REVISION NUMBER HERE
+        WARN    "Version \1 or later of 'hardware.inc' is required."
+    ENDC
+ENDM
+
+_VRAM        EQU $8000 ; $8000->$9FFF
+_VRAM8000    EQU _VRAM
+_VRAM8800    EQU _VRAM+$800
+_VRAM9000    EQU _VRAM+$1000
+_SCRN0       EQU $9800 ; $9800->$9BFF
+_SCRN1       EQU $9C00 ; $9C00->$9FFF
+_SRAM        EQU $A000 ; $A000->$BFFF
+_RAM         EQU $C000 ; $C000->$CFFF / $C000->$DFFF
+_RAMBANK     EQU $D000 ; $D000->$DFFF
+_OAMRAM      EQU $FE00 ; $FE00->$FE9F
+_IO          EQU $FF00 ; $FF00->$FF7F,$FFFF
+_AUD3WAVERAM EQU $FF30 ; $FF30->$FF3F
+_HRAM        EQU $FF80 ; $FF80->$FFFE
+
+; *** MBC5 Equates ***
+
+rRAMG        EQU $0000 ; $0000->$1fff
+rROMB0       EQU $2000 ; $2000->$2fff
+rROMB1       EQU $3000 ; $3000->$3fff - If more than 256 ROM banks are present.
+rRAMB        EQU $4000 ; $4000->$5fff - Bit 3 enables rumble (if present)
+
+
+;***************************************************************************
+;*
+;* Custom registers
+;*
+;***************************************************************************
+
+; --
+; -- P1 ($FF00)
+; -- Register for reading joy pad info. (R/W)
+; --
+rP1 EQU $FF00
+
+P1F_5 EQU %00100000 ; P15 out port, set to 0 to get buttons
+P1F_4 EQU %00010000 ; P14 out port, set to 0 to get dpad
+P1F_3 EQU %00001000 ; P13 in port
+P1F_2 EQU %00000100 ; P12 in port
+P1F_1 EQU %00000010 ; P11 in port
+P1F_0 EQU %00000001 ; P10 in port
+
+P1F_GET_DPAD EQU P1F_5
+P1F_GET_BTN  EQU P1F_4
+P1F_GET_NONE EQU P1F_4 | P1F_5
+
+
+; --
+; -- SB ($FF01)
+; -- Serial Transfer Data (R/W)
+; --
+rSB EQU $FF01
+
+
+; --
+; -- SC ($FF02)
+; -- Serial I/O Control (R/W)
+; --
+rSC EQU $FF02
+
+
+; --
+; -- DIV ($FF04)
+; -- Divider register (R/W)
+; --
+rDIV EQU $FF04
+
+
+; --
+; -- TIMA ($FF05)
+; -- Timer counter (R/W)
+; --
+rTIMA EQU $FF05
+
+
+; --
+; -- TMA ($FF06)
+; -- Timer modulo (R/W)
+; --
+rTMA EQU $FF06
+
+
+; --
+; -- TAC ($FF07)
+; -- Timer control (R/W)
+; --
+rTAC EQU $FF07
+
+TACF_START  EQU %00000100
+TACF_STOP   EQU %00000000
+TACF_4KHZ   EQU %00000000
+TACF_16KHZ  EQU %00000011
+TACF_65KHZ  EQU %00000010
+TACF_262KHZ EQU %00000001
+
+
+; --
+; -- IF ($FF0F)
+; -- Interrupt Flag (R/W)
+; --
+rIF EQU $FF0F
+
+
+; --
+; -- AUD1SWEEP/NR10 ($FF10)
+; -- Sweep register (R/W)
+; --
+; -- Bit 6-4 - Sweep Time
+; -- Bit 3   - Sweep Increase/Decrease
+; --           0: Addition    (frequency increases???)
+; --           1: Subtraction (frequency increases???)
+; -- Bit 2-0 - Number of sweep shift (# 0-7)
+; -- Sweep Time: (n*7.8ms)
+; --
+rNR10 EQU $FF10
+rAUD1SWEEP EQU rNR10
+
+AUD1SWEEP_UP   EQU %00000000
+AUD1SWEEP_DOWN EQU %00001000
+
+
+; --
+; -- AUD1LEN/NR11 ($FF11)
+; -- Sound length/Wave pattern duty (R/W)
+; --
+; -- Bit 7-6 - Wave Pattern Duty (00:12.5% 01:25% 10:50% 11:75%)
+; -- Bit 5-0 - Sound length data (# 0-63)
+; --
+rNR11 EQU $FF11
+rAUD1LEN EQU rNR11
+
+
+; --
+; -- AUD1ENV/NR12 ($FF12)
+; -- Envelope (R/W)
+; --
+; -- Bit 7-4 - Initial value of envelope
+; -- Bit 3   - Envelope UP/DOWN
+; --           0: Decrease
+; --           1: Range of increase
+; -- Bit 2-0 - Number of envelope sweep (# 0-7)
+; --
+rNR12 EQU $FF12
+rAUD1ENV EQU rNR12
+
+
+; --
+; -- AUD1LOW/NR13 ($FF13)
+; -- Frequency low byte (W)
+; --
+rNR13 EQU $FF13
+rAUD1LOW EQU rNR13
+
+
+; --
+; -- AUD1HIGH/NR14 ($FF14)
+; -- Frequency high byte (W)
+; --
+; -- Bit 7   - Initial (when set, sound restarts)
+; -- Bit 6   - Counter/consecutive selection
+; -- Bit 2-0 - Frequency's higher 3 bits
+; --
+rNR14 EQU $FF14
+rAUD1HIGH EQU rNR14
+
+
+; --
+; -- AUD2LEN/NR21 ($FF16)
+; -- Sound Length; Wave Pattern Duty (R/W)
+; --
+; -- see AUD1LEN for info
+; --
+rNR21 EQU $FF16
+rAUD2LEN EQU rNR21
+
+
+; --
+; -- AUD2ENV/NR22 ($FF17)
+; -- Envelope (R/W)
+; --
+; -- see AUD1ENV for info
+; --
+rNR22 EQU $FF17
+rAUD2ENV EQU rNR22
+
+
+; --
+; -- AUD2LOW/NR23 ($FF18)
+; -- Frequency low byte (W)
+; --
+rNR23 EQU $FF18
+rAUD2LOW EQU rNR23
+
+
+; --
+; -- AUD2HIGH/NR24 ($FF19)
+; -- Frequency high byte (W)
+; --
+; -- see AUD1HIGH for info
+; --
+rNR24 EQU $FF19
+rAUD2HIGH EQU rNR24
+
+
+; --
+; -- AUD3ENA/NR30 ($FF1A)
+; -- Sound on/off (R/W)
+; --
+; -- Bit 7   - Sound ON/OFF (1=ON,0=OFF)
+; --
+rNR30 EQU $FF1A
+rAUD3ENA EQU rNR30
+
+
+; --
+; -- AUD3LEN/NR31 ($FF1B)
+; -- Sound length (R/W)
+; --
+; -- Bit 7-0 - Sound length
+; --
+rNR31 EQU $FF1B
+rAUD3LEN EQU rNR31
+
+
+; --
+; -- AUD3LEVEL/NR32 ($FF1C)
+; -- Select output level
+; --
+; -- Bit 6-5 - Select output level
+; --           00: 0/1 (mute)
+; --           01: 1/1
+; --           10: 1/2
+; --           11: 1/4
+; --
+rNR32 EQU $FF1C
+rAUD3LEVEL EQU rNR32
+
+
+; --
+; -- AUD3LOW/NR33 ($FF1D)
+; -- Frequency low byte (W)
+; --
+; -- see AUD1LOW for info
+; --
+rNR33 EQU $FF1D
+rAUD3LOW EQU rNR33
+
+
+; --
+; -- AUD3HIGH/NR34 ($FF1E)
+; -- Frequency high byte (W)
+; --
+; -- see AUD1HIGH for info
+; --
+rNR34 EQU $FF1E
+rAUD3HIGH EQU rNR34
+
+
+; --
+; -- AUD4LEN/NR41 ($FF20)
+; -- Sound length (R/W)
+; --
+; -- Bit 5-0 - Sound length data (# 0-63)
+; --
+rNR41 EQU $FF20
+rAUD4LEN EQU rNR41
+
+
+; --
+; -- AUD4ENV/NR42 ($FF21)
+; -- Envelope (R/W)
+; --
+; -- see AUD1ENV for info
+; --
+rNR42 EQU $FF21
+rAUD4ENV EQU rNR42
+
+
+; --
+; -- AUD4POLY/NR43 ($FF22)
+; -- Polynomial counter (R/W)
+; --
+; -- Bit 7-4 - Selection of the shift clock frequency of the (scf)
+; --           polynomial counter (0000-1101)
+; --           freq=drf*1/2^scf (not sure)
+; -- Bit 3 -   Selection of the polynomial counter's step
+; --           0: 15 steps
+; --           1: 7 steps
+; -- Bit 2-0 - Selection of the dividing ratio of frequencies (drf)
+; --           000: f/4   001: f/8   010: f/16  011: f/24
+; --           100: f/32  101: f/40  110: f/48  111: f/56  (f=4.194304 Mhz)
+; --
+rNR43 EQU $FF22
+rAUD4POLY EQU rNR43
+
+
+; --
+; -- AUD4GO/NR44 ($FF23)
+; --
+; -- Bit 7 -   Inital
+; -- Bit 6 -   Counter/consecutive selection
+; --
+rNR44 EQU $FF23
+rAUD4GO EQU rNR44
+
+
+; --
+; -- AUDVOL/NR50 ($FF24)
+; -- Channel control / ON-OFF / Volume (R/W)
+; --
+; -- Bit 7   - Vin->SO2 ON/OFF (Vin??)
+; -- Bit 6-4 - SO2 output level (volume) (# 0-7)
+; -- Bit 3   - Vin->SO1 ON/OFF (Vin??)
+; -- Bit 2-0 - SO1 output level (volume) (# 0-7)
+; --
+rNR50 EQU $FF24
+rAUDVOL EQU rNR50
+
+AUDVOL_VIN_LEFT  EQU %10000000 ; SO2
+AUDVOL_VIN_RIGHT EQU %00001000 ; SO1
+
+
+; --
+; -- AUDTERM/NR51 ($FF25)
+; -- Selection of Sound output terminal (R/W)
+; --
+; -- Bit 7   - Output sound 4 to SO2 terminal
+; -- Bit 6   - Output sound 3 to SO2 terminal
+; -- Bit 5   - Output sound 2 to SO2 terminal
+; -- Bit 4   - Output sound 1 to SO2 terminal
+; -- Bit 3   - Output sound 4 to SO1 terminal
+; -- Bit 2   - Output sound 3 to SO1 terminal
+; -- Bit 1   - Output sound 2 to SO1 terminal
+; -- Bit 0   - Output sound 0 to SO1 terminal
+; --
+rNR51 EQU $FF25
+rAUDTERM EQU rNR51
+
+; SO2
+AUDTERM_4_LEFT  EQU %10000000
+AUDTERM_3_LEFT  EQU %01000000
+AUDTERM_2_LEFT  EQU %00100000
+AUDTERM_1_LEFT  EQU %00010000
+; SO1
+AUDTERM_4_RIGHT EQU %00001000
+AUDTERM_3_RIGHT EQU %00000100
+AUDTERM_2_RIGHT EQU %00000010
+AUDTERM_1_RIGHT EQU %00000001
+
+
+; --
+; -- AUDENA/NR52 ($FF26)
+; -- Sound on/off (R/W)
+; --
+; -- Bit 7   - All sound on/off (sets all audio regs to 0!)
+; -- Bit 3   - Sound 4 ON flag (read only)
+; -- Bit 2   - Sound 3 ON flag (read only)
+; -- Bit 1   - Sound 2 ON flag (read only)
+; -- Bit 0   - Sound 1 ON flag (read only)
+; --
+rNR52 EQU $FF26
+rAUDENA EQU rNR52
+
+AUDENA_ON    EQU %10000000
+AUDENA_OFF   EQU %00000000  ; sets all audio regs to 0!
+
+
+; --
+; -- LCDC ($FF40)
+; -- LCD Control (R/W)
+; --
+rLCDC EQU $FF40
+
+LCDCF_OFF     EQU %00000000 ; LCD Control Operation
+LCDCF_ON      EQU %10000000 ; LCD Control Operation
+LCDCF_WIN9800 EQU %00000000 ; Window Tile Map Display Select
+LCDCF_WIN9C00 EQU %01000000 ; Window Tile Map Display Select
+LCDCF_WINOFF  EQU %00000000 ; Window Display
+LCDCF_WINON   EQU %00100000 ; Window Display
+LCDCF_BG8800  EQU %00000000 ; BG & Window Tile Data Select
+LCDCF_BG8000  EQU %00010000 ; BG & Window Tile Data Select
+LCDCF_BG9800  EQU %00000000 ; BG Tile Map Display Select
+LCDCF_BG9C00  EQU %00001000 ; BG Tile Map Display Select
+LCDCF_OBJ8    EQU %00000000 ; OBJ Construction
+LCDCF_OBJ16   EQU %00000100 ; OBJ Construction
+LCDCF_OBJOFF  EQU %00000000 ; OBJ Display
+LCDCF_OBJON   EQU %00000010 ; OBJ Display
+LCDCF_BGOFF   EQU %00000000 ; BG Display
+LCDCF_BGON    EQU %00000001 ; BG Display
+; "Window Character Data Select" follows BG
+
+
+; --
+; -- STAT ($FF41)
+; -- LCDC Status   (R/W)
+; --
+rSTAT EQU $FF41
+
+STATF_LYC     EQU  %01000000 ; LYC=LY Coincidence (Selectable)
+STATF_MODE10  EQU  %00100000 ; Mode 10
+STATF_MODE01  EQU  %00010000 ; Mode 01 (V-Blank)
+STATF_MODE00  EQU  %00001000 ; Mode 00 (H-Blank)
+STATF_LYCF    EQU  %00000100 ; Coincidence Flag
+STATF_HBL     EQU  %00000000 ; H-Blank
+STATF_VBL     EQU  %00000001 ; V-Blank
+STATF_OAM     EQU  %00000010 ; OAM-RAM is used by system
+STATF_LCD     EQU  %00000011 ; Both OAM and VRAM used by system
+STATF_BUSY    EQU  %00000010 ; When set, VRAM access is unsafe
+
+
+; --
+; -- SCY ($FF42)
+; -- Scroll Y (R/W)
+; --
+rSCY EQU $FF42
+
+
+; --
+; -- SCX ($FF43)
+; -- Scroll X (R/W)
+; --
+rSCX EQU $FF43
+
+
+; --
+; -- LY ($FF44)
+; -- LCDC Y-Coordinate (R)
+; --
+; -- Values range from 0->153. 144->153 is the VBlank period.
+; --
+rLY EQU $FF44
+
+
+; --
+; -- LYC ($FF45)
+; -- LY Compare (R/W)
+; --
+; -- When LY==LYC, STATF_LYCF will be set in STAT
+; --
+rLYC EQU $FF45
+
+
+; --
+; -- DMA ($FF46)
+; -- DMA Transfer and Start Address (W)
+; --
+rDMA EQU $FF46
+
+
+; --
+; -- BGP ($FF47)
+; -- BG Palette Data (W)
+; --
+; -- Bit 7-6 - Intensity for %11
+; -- Bit 5-4 - Intensity for %10
+; -- Bit 3-2 - Intensity for %01
+; -- Bit 1-0 - Intensity for %00
+; --
+rBGP EQU $FF47
+
+
+; --
+; -- OBP0 ($FF48)
+; -- Object Palette 0 Data (W)
+; --
+; -- See BGP for info
+; --
+rOBP0 EQU $FF48
+
+
+; --
+; -- OBP1 ($FF49)
+; -- Object Palette 1 Data (W)
+; --
+; -- See BGP for info
+; --
+rOBP1 EQU $FF49
+
+
+; --
+; -- WY ($FF4A)
+; -- Window Y Position (R/W)
+; --
+; -- 0 <= WY <= 143
+; -- When WY = 0, the window is displayed from the top edge of the LCD screen.
+; --
+rWY EQU $FF4A
+
+
+; --
+; -- WX ($FF4B)
+; -- Window X Position (R/W)
+; --
+; -- 7 <= WX <= 166
+; -- When WX = 7, the window is displayed from the left edge of the LCD screen.
+; -- Values of 0-6 and 166 are unreliable due to hardware bugs.
+; --
+rWX EQU $FF4B
+
+
+; --
+; -- SPEED ($FF4D)
+; -- Select CPU Speed (R/W)
+; --
+rKEY1 EQU $FF4D
+rSPD  EQU rKEY1
+
+KEY1F_DBLSPEED EQU %10000000 ; 0=Normal Speed, 1=Double Speed (R)
+KEY1F_PREPARE  EQU %00000001 ; 0=No, 1=Prepare (R/W)
+
+
+; --
+; -- VBK ($FF4F)
+; -- Select Video RAM Bank (R/W)
+; --
+; -- Bit 0 - Bank Specification (0: Specify Bank 0; 1: Specify Bank 1)
+; --
+rVBK EQU $FF4F
+
+
+; --
+; -- HDMA1 ($FF51)
+; -- High byte for Horizontal Blanking/General Purpose DMA source address (W)
+; -- CGB Mode Only
+; --
+rHDMA1 EQU $FF51
+
+
+; --
+; -- HDMA2 ($FF52)
+; -- Low byte for Horizontal Blanking/General Purpose DMA source address (W)
+; -- CGB Mode Only
+; --
+rHDMA2 EQU $FF52
+
+
+; --
+; -- HDMA3 ($FF53)
+; -- High byte for Horizontal Blanking/General Purpose DMA destination address (W)
+; -- CGB Mode Only
+; --
+rHDMA3 EQU $FF53
+
+
+; --
+; -- HDMA4 ($FF54)
+; -- Low byte for Horizontal Blanking/General Purpose DMA destination address (W)
+; -- CGB Mode Only
+; --
+rHDMA4 EQU $FF54
+
+
+; --
+; -- HDMA5 ($FF55)
+; -- Transfer length (in tiles minus 1)/mode/start for Horizontal Blanking, General Purpose DMA (R/W)
+; -- CGB Mode Only
+; --
+rHDMA5 EQU $FF55
+
+HDMA5F_MODE_GP  EQU %00000000 ; General Purpose DMA (W)
+HDMA5F_MODE_HBL EQU %10000000 ; HBlank DMA (W)
+
+; -- Once DMA has started, use HDMA5F_BUSY to check when the transfer is complete
+HDMA5F_BUSY EQU %10000000 ; 0=Busy (DMA still in progress), 1=Transfer complete (R)
+
+
+; --
+; -- RP ($FF56)
+; -- Infrared Communications Port (R/W)
+; -- CGB Mode Only
+; --
+rRP EQU $FF56
+
+RPF_ENREAD   EQU %11000000
+RPF_DATAIN   EQU %00000010 ; 0=Receiving IR Signal, 1=Normal
+RPF_WRITE_HI EQU %00000001
+RPF_WRITE_LO EQU %00000000
+
+
+; --
+; -- BCPS ($FF68)
+; -- Background Color Palette Specification (R/W)
+; --
+rBCPS EQU $FF68
+
+BCPSF_AUTOINC EQU %10000000 ; Auto Increment (0=Disabled, 1=Increment after Writing)
+
+
+; --
+; -- BCPD ($FF69)
+; -- Background Color Palette Data (R/W)
+; --
+rBCPD EQU $FF69
+
+
+; --
+; -- OCPS ($FF6A)
+; -- Object Color Palette Specification (R/W)
+; --
+rOCPS EQU $FF6A
+
+OCPSF_AUTOINC EQU %10000000 ; Auto Increment (0=Disabled, 1=Increment after Writing)
+
+
+; --
+; -- OCPD ($FF6B)
+; -- Object Color Palette Data (R/W)
+; --
+rOCPD EQU $FF6B
+
+
+; --
+; -- SMBK/SVBK ($FF70)
+; -- Select Main RAM Bank (R/W)
+; --
+; -- Bit 2-0 - Bank Specification (0,1: Specify Bank 1; 2-7: Specify Banks 2-7)
+; --
+rSVBK EQU $FF70
+rSMBK EQU rSVBK
+
+
+; --
+; -- PCM12 ($FF76)
+; -- Sound channel 1&2 PCM amplitude (R)
+; --
+; -- Bit 7-4 - Copy of sound channel 2's PCM amplitude
+; -- Bit 3-0 - Copy of sound channel 1's PCM amplitude
+; --
+rPCM12 EQU $FF76
+
+
+; --
+; -- PCM34 ($FF77)
+; -- Sound channel 3&4 PCM amplitude (R)
+; --
+; -- Bit 7-4 - Copy of sound channel 4's PCM amplitude
+; -- Bit 3-0 - Copy of sound channel 3's PCM amplitude
+; --
+rPCM34 EQU $FF77
+
+
+; --
+; -- IE ($FFFF)
+; -- Interrupt Enable (R/W)
+; --
+rIE EQU $FFFF
+
+IEF_HILO   EQU %00010000 ; Transition from High to Low of Pin number P10-P13
+IEF_SERIAL EQU %00001000 ; Serial I/O transfer end
+IEF_TIMER  EQU %00000100 ; Timer Overflow
+IEF_LCDC   EQU %00000010 ; LCDC (see STAT)
+IEF_VBLANK EQU %00000001 ; V-Blank
+
+
+;***************************************************************************
+;*
+;* Flags common to multiple sound channels
+;*
+;***************************************************************************
+
+; --
+; -- Square wave duty cycle
+; --
+; -- Can be used with AUD1LEN and AUD2LEN
+; -- See AUD1LEN for more info
+; --
+AUDLEN_DUTY_12_5    EQU %00000000 ; 12.5%
+AUDLEN_DUTY_25      EQU %01000000 ; 25%
+AUDLEN_DUTY_50      EQU %10000000 ; 50%
+AUDLEN_DUTY_75      EQU %11000000 ; 75%
+
+
+; --
+; -- Audio envelope flags
+; --
+; -- Can be used with AUD1ENV, AUD2ENV, AUD4ENV
+; -- See AUD1ENV for more info
+; --
+AUDENV_UP           EQU %00001000
+AUDENV_DOWN         EQU %00000000
+
+
+; --
+; -- Audio trigger flags
+; --
+; -- Can be used with AUD1HIGH, AUD2HIGH, AUD3HIGH
+; -- See AUD1HIGH for more info
+; --
+
+AUDHIGH_RESTART     EQU %10000000
+AUDHIGH_LENGTH_ON   EQU %01000000
+AUDHIGH_LENGTH_OFF  EQU %00000000
+
+
+;***************************************************************************
+;*
+;* CPU values on bootup (a=type, b=qualifier)
+;*
+;***************************************************************************
+
+BOOTUP_A_DMG    EQU $01 ; Dot Matrix Game
+BOOTUP_A_CGB    EQU $11 ; Color GameBoy
+BOOTUP_A_MGB    EQU $FF ; Mini GameBoy (Pocket GameBoy)
+
+; if a=BOOTUP_A_CGB, bit 0 in b can be checked to determine if real CGB or
+; other system running in GBC mode
+BOOTUP_B_CGB    EQU %00000000
+BOOTUP_B_AGB    EQU %00000001   ; GBA, GBA SP, Game Boy Player, or New GBA SP
+
+
+;***************************************************************************
+;*
+;* Cart related
+;*
+;***************************************************************************
+
+; $0143 Color GameBoy compatibility code
+CART_COMPATIBLE_DMG     EQU $00
+CART_COMPATIBLE_DMG_GBC EQU $80
+CART_COMPATIBLE_GBC     EQU $C0
+
+; $0146 GameBoy/Super GameBoy indicator
+CART_INDICATOR_GB       EQU $00
+CART_INDICATOR_SGB      EQU $03
+
+; $0147 Cartridge type
+CART_ROM                     EQU $00
+CART_ROM_MBC1                EQU $01
+CART_ROM_MBC1_RAM            EQU $02
+CART_ROM_MBC1_RAM_BAT        EQU $03
+CART_ROM_MBC2                EQU $05
+CART_ROM_MBC2_BAT            EQU $06
+CART_ROM_RAM                 EQU $08
+CART_ROM_RAM_BAT             EQU $09
+CART_ROM_MMM01               EQU $0B
+CART_ROM_MMM01_RAM           EQU $0C
+CART_ROM_MMM01_RAM_BAT       EQU $0D
+CART_ROM_MBC3_BAT_RTC        EQU $0F
+CART_ROM_MBC3_RAM_BAT_RTC    EQU $10
+CART_ROM_MBC3                EQU $11
+CART_ROM_MBC3_RAM            EQU $12
+CART_ROM_MBC3_RAM_BAT        EQU $13
+CART_ROM_MBC5                EQU $19
+CART_ROM_MBC5_BAT            EQU $1A
+CART_ROM_MBC5_RAM_BAT        EQU $1B
+CART_ROM_MBC5_RUMBLE         EQU $1C
+CART_ROM_MBC5_RAM_RUMBLE     EQU $1D
+CART_ROM_MBC5_RAM_BAT_RUMBLE EQU $1E
+CART_ROM_MBC7_RAM_BAT_GYRO   EQU $22
+CART_ROM_POCKET_CAMERA       EQU $FC
+CART_ROM_BANDAI_TAMA5        EQU $FD
+CART_ROM_HUDSON_HUC3         EQU $FE
+CART_ROM_HUDSON_HUC1         EQU $FF
+
+; $0148 ROM size
+; these are kilobytes
+CART_ROM_32KB   EQU $00 ; 2 banks
+CART_ROM_64KB   EQU $01 ; 4 banks
+CART_ROM_128KB  EQU $02 ; 8 banks
+CART_ROM_256KB  EQU $03 ; 16 banks
+CART_ROM_512KB  EQU $04 ; 32 banks
+CART_ROM_1024KB EQU $05 ; 64 banks
+CART_ROM_2048KB EQU $06 ; 128 banks
+CART_ROM_4096KB EQU $07 ; 256 banks
+CART_ROM_8192KB EQU $08 ; 512 banks
+CART_ROM_1152KB EQU $52 ; 72 banks
+CART_ROM_1280KB EQU $53 ; 80 banks
+CART_ROM_1536KB EQU $54 ; 96 banks
+
+; $0149 SRAM size
+; these are kilobytes
+CART_SRAM_NONE  EQU 0
+CART_SRAM_2KB   EQU 1 ; 1 incomplete bank
+CART_SRAM_8KB   EQU 2 ; 1 bank
+CART_SRAM_32KB  EQU 3 ; 4 banks
+CART_SRAM_128KB EQU 4 ; 16 banks
+
+CART_SRAM_ENABLE  EQU $0A
+CART_SRAM_DISABLE EQU $00
+
+; $014A Destination code
+CART_DEST_JAPANESE     EQU $00
+CART_DEST_NON_JAPANESE EQU $01
+
+
+;***************************************************************************
+;*
+;* Keypad related
+;*
+;***************************************************************************
+
+PADF_DOWN   EQU $80
+PADF_UP     EQU $40
+PADF_LEFT   EQU $20
+PADF_RIGHT  EQU $10
+PADF_START  EQU $08
+PADF_SELECT EQU $04
+PADF_B      EQU $02
+PADF_A      EQU $01
+
+PADB_DOWN   EQU $7
+PADB_UP     EQU $6
+PADB_LEFT   EQU $5
+PADB_RIGHT  EQU $4
+PADB_START  EQU $3
+PADB_SELECT EQU $2
+PADB_B      EQU $1
+PADB_A      EQU $0
+
+
+;***************************************************************************
+;*
+;* Screen related
+;*
+;***************************************************************************
+
+SCRN_X    EQU 160 ; Width of screen in pixels
+SCRN_Y    EQU 144 ; Height of screen in pixels
+SCRN_X_B  EQU 20  ; Width of screen in bytes
+SCRN_Y_B  EQU 18  ; Height of screen in bytes
+
+SCRN_VX   EQU 256 ; Virtual width of screen in pixels
+SCRN_VY   EQU 256 ; Virtual height of screen in pixels
+SCRN_VX_B EQU 32  ; Virtual width of screen in bytes
+SCRN_VY_B EQU 32  ; Virtual height of screen in bytes
+
+
+;***************************************************************************
+;*
+;* OAM related
+;*
+;***************************************************************************
+
+; OAM attributes
+; each entry in OAM RAM is 4 bytes (sizeof_OAM_ATTRS)
+RSRESET
+OAMA_Y              RB  1   ; y pos
+OAMA_X              RB  1   ; x pos
+OAMA_TILEID         RB  1   ; tile id
+OAMA_FLAGS          RB  1   ; flags (see below)
+sizeof_OAM_ATTRS    RB  0
+
+OAM_COUNT           EQU 40  ; number of OAM entries in OAM RAM
+
+; flags
+OAMF_PRI        EQU %10000000 ; Priority
+OAMF_YFLIP      EQU %01000000 ; Y flip
+OAMF_XFLIP      EQU %00100000 ; X flip
+OAMF_PAL0       EQU %00000000 ; Palette number; 0,1 (DMG)
+OAMF_PAL1       EQU %00010000 ; Palette number; 0,1 (DMG)
+OAMF_BANK0      EQU %00000000 ; Bank number; 0,1 (GBC)
+OAMF_BANK1      EQU %00001000 ; Bank number; 0,1 (GBC)
+
+OAMF_PALMASK    EQU %00000111 ; Palette (GBC)
+
+OAMB_PRI        EQU 7 ; Priority
+OAMB_YFLIP      EQU 6 ; Y flip
+OAMB_XFLIP      EQU 5 ; X flip
+OAMB_PAL1       EQU 4 ; Palette number; 0,1 (DMG)
+OAMB_BANK1      EQU 3 ; Bank number; 0,1 (GBC)
+
+
+;*
+;* Nintendo scrolling logo
+;* (Code won't work on a real GameBoy)
+;* (if next lines are altered.)
+NINTENDO_LOGO : MACRO
+    DB  $CE,$ED,$66,$66,$CC,$0D,$00,$0B,$03,$73,$00,$83,$00,$0C,$00,$0D
+    DB  $00,$08,$11,$1F,$88,$89,$00,$0E,$DC,$CC,$6E,$E6,$DD,$DD,$D9,$99
+    DB  $BB,$BB,$67,$63,$6E,$0E,$EC,$CC,$DD,$DC,$99,$9F,$BB,$B9,$33,$3E
+ENDM
+
+    ENDC ;HARDWARE_INC

src/helpers.asm

@@ -1,3 +1,11 @@
+SECTION "LCD controller status interrupt", ROM0[$0048]
+    ;; HACK!!!!!!!!!!!!!
+    ;; there's some sort of bug in the emulator which needs to be fixed,
+    ;; which screws up the program counter immediately after it exits a halt.
+    ;; this nop protects against that for now.
+    nop
+    jp isr_wrapper
+
 SECTION "vblank", ROM0[$40]
 
 handle_vblank:
@@ -12,3 +20,21 @@ _interrupts_disable::
 _interrupts_enable::
     ei
     ret
+
+SECTION "hUGE ISR", ROM0
+
+isr_wrapper:
+    ld a, [_game_state]
+    cp 0
+    jr nz, .done
+    push af
+    push hl
+    push bc
+    push de
+    call hUGE_dosound
+    pop de
+    pop bc
+    pop hl
+    pop af
+.done:
+    reti

src/huge.inc

@@ -0,0 +1,81 @@
+dn: MACRO ;; (note, instr, effect)
+    db \1
+    db ((\2 << 4) | (\3 >> 8))
+    db LOW(\3)
+ENDM
+
+rsreset
+def C_3 rb
+def C#3 rb
+def D_3 rb
+def D#3 rb
+def E_3 rb
+def F_3 rb
+def F#3 rb
+def G_3 rb
+def G#3 rb
+def A_3 rb
+def A#3 rb
+def B_3 rb
+def C_4 rb
+def C#4 rb
+def D_4 rb
+def D#4 rb
+def E_4 rb
+def F_4 rb
+def F#4 rb
+def G_4 rb
+def G#4 rb
+def A_4 rb
+def A#4 rb
+def B_4 rb
+def C_5 rb
+def C#5 rb
+def D_5 rb
+def D#5 rb
+def E_5 rb
+def F_5 rb
+def F#5 rb
+def G_5 rb
+def G#5 rb
+def A_5 rb
+def A#5 rb
+def B_5 rb
+def C_6 rb
+def C#6 rb
+def D_6 rb
+def D#6 rb
+def E_6 rb
+def F_6 rb
+def F#6 rb
+def G_6 rb
+def G#6 rb
+def A_6 rb
+def A#6 rb
+def B_6 rb
+def C_7 rb
+def C#7 rb
+def D_7 rb
+def D#7 rb
+def E_7 rb
+def F_7 rb
+def F#7 rb
+def G_7 rb
+def G#7 rb
+def A_7 rb
+def A#7 rb
+def B_7 rb
+def C_8 rb
+def C#8 rb
+def D_8 rb
+def D#8 rb
+def E_8 rb
+def F_8 rb
+def F#8 rb
+def G_8 rb
+def G#8 rb
+def A_8 rb
+def A#8 rb
+def B_8 rb
+def LAST_NOTE rb
+___ EQU 90 ; the default "no note" value

src/huge_note_table.inc

@@ -0,0 +1,78 @@
+;; hUGETracker note table.
+;; Written by SuperDisk 2019
+
+;; Gameboy sound frequences are represented as 11 byte periods.
+;; this note table was generated from http://www.devrs.com/gb/files/sndtab.html
+
+dw 44
+dw 156
+dw 262
+dw 363
+dw 457
+dw 547
+dw 631
+dw 710
+dw 786
+dw 854
+dw 923
+dw 986
+dw 1046
+dw 1102
+dw 1155
+dw 1205
+dw 1253
+dw 1297
+dw 1339
+dw 1379
+dw 1417
+dw 1452
+dw 1486
+dw 1517
+dw 1546
+dw 1575
+dw 1602
+dw 1627
+dw 1650
+dw 1673
+dw 1694
+dw 1714
+dw 1732
+dw 1750
+dw 1767
+dw 1783
+dw 1798
+dw 1812
+dw 1825
+dw 1837
+dw 1849
+dw 1860
+dw 1871
+dw 1881
+dw 1890
+dw 1899
+dw 1907
+dw 1915
+dw 1923
+dw 1930
+dw 1936
+dw 1943
+dw 1949
+dw 1954
+dw 1959
+dw 1964
+dw 1969
+dw 1974
+dw 1978
+dw 1982
+dw 1985
+dw 1988
+dw 1992
+dw 1995
+dw 1998
+dw 2001
+dw 2004
+dw 2006
+dw 2009
+dw 2011
+dw 2013
+dw 2015

src/hugedriver.h

@@ -0,0 +1,119 @@
+#ifndef HUGEDRIVER_H_INCLUDE
+#define HUGEDRIVER_H_INCLUDE
+
+#define DN(A, B, C) (unsigned char)(A),(unsigned char)((B << 4) | (C >> 8)),(unsigned char)(C & 0xFF)
+
+#define C_3 0
+#define Cs3 1
+#define D_3 2
+#define Ds3 3
+#define E_3 4
+#define F_3 5
+#define Fs3 6
+#define G_3 7
+#define Gs3 8
+#define A_3 9
+#define As3 10
+#define B_3 11
+#define C_4 12
+#define Cs4 13
+#define D_4 14
+#define Ds4 15
+#define E_4 16
+#define F_4 17
+#define Fs4 18
+#define G_4 19
+#define Gs4 20
+#define A_4 21
+#define As4 22
+#define B_4 23
+#define C_5 24
+#define Cs5 25
+#define D_5 26
+#define Ds5 27
+#define E_5 28
+#define F_5 29
+#define Fs5 30
+#define G_5 31
+#define Gs5 32
+#define A_5 33
+#define As5 34
+#define B_5 35
+#define C_6 36
+#define Cs6 37
+#define D_6 38
+#define Ds6 39
+#define E_6 40
+#define F_6 41
+#define Fs6 42
+#define G_6 43
+#define Gs6 44
+#define A_6 45
+#define As6 46
+#define B_6 47
+#define C_7 48
+#define Cs7 49
+#define D_7 50
+#define Ds7 51
+#define E_7 52
+#define F_7 53
+#define Fs7 54
+#define G_7 55
+#define Gs7 56
+#define A_7 57
+#define As7 58
+#define B_7 59
+#define C_8 60
+#define Cs8 61
+#define D_8 62
+#define Ds8 63
+#define E_8 64
+#define F_8 65
+#define Fs8 66
+#define G_8 67
+#define Gs8 68
+#define A_8 69
+#define As8 70
+#define B_8 71
+#define LAST_NOTE 72
+#define ___ 90
+
+typedef void (*hUGERoutine_t)(unsigned char param, unsigned char ch, unsigned char tick);
+
+typedef struct hUGESong_t {
+  unsigned char tempo;
+  const unsigned char * order_cnt;
+  const unsigned char ** order1, ** order2, ** order3, ** order4;
+  const unsigned char * duty_instruments, * wave_instruments, * noise_instruments;
+  const hUGERoutine_t ** routines;
+  const unsigned char * waves;
+} hUGESong_t;
+
+// initialize the driver with song data
+void hUGE_init(const hUGESong_t * song);
+void hUGE_init_banked(const hUGESong_t * song) __banked;
+
+// driver routine
+void hUGE_dosound();
+void hUGE_dosound_banked() __banked;
+
+enum hUGE_channel_t {HT_CH1 = 0, HT_CH2, HT_CH3, HT_CH4};
+enum hUGE_mute_t    {HT_CH_PLAY = 0, HT_CH_MUTE};
+
+void hUGE_mute_channel(enum hUGE_channel_t ch, enum hUGE_mute_t mute);
+void hUGE_mute_channel_banked(enum hUGE_channel_t ch, enum hUGE_mute_t mute) __banked;
+
+void hUGE_set_position(unsigned char pattern);
+void hUGE_set_position_banked(unsigned char pattern) __banked;
+
+extern volatile unsigned char hUGE_current_wave;
+#define hUGE_NO_WAVE 100
+
+inline void hUGE_reset_wave() {
+	hUGE_current_wave = hUGE_NO_WAVE;
+}
+inline void hUGE_reset_wave_banked() {
+	hUGE_current_wave = hUGE_NO_WAVE;
+}
+
+#endif

src/main.c

@@ -14,6 +14,7 @@ void main() {
 
     oam_init();
     vram_init();
+    audio_init();
 
     // Set up background & sprites
     rBGP = 0b11100100;
@@ -25,6 +26,12 @@ void main() {
     // handling. We only do this so HALT waits for VBLANK.
     rIF = 0;
     rIE = IE_VBLANK;
+    // rIE = IE_VBLANK | IE_LCDC;
+
+    // rSTAT |= STAT_LYCF;
+    // rLYC = 0;
+
+    ENABLE_INTERRUPTS();
 
     while (1) {
         switch (game_state) {

src/map.c

@@ -32,8 +32,8 @@ void map_load(map_t *map) {
     rSCY = INIT_SCY;
 
     PLAYER.x = (MAP.spawn_x - MAP.camera_x) * 8;
-    uint8_t y = (MAP.spawn_y - MAP.camera_y) * 8;
-    PLAYER.y = y << 8;
+    PLAYER.y_hi = (MAP.spawn_y - MAP.camera_y) * 8;
+    PLAYER.y_lo = 0;
 
     memcpy(VRAM_TILE_PTR(TILE_INDEX_BACKGROUND), (uint8_t *)MAP.tile_ptr,
            MAP.tile_size);

src/player.c

@@ -13,30 +13,48 @@
 #define PLAYER_INIT_FALL_VY 0xff1a  //!< -1.1015625
 #define MAX_VY 0xf900               //!< -7.0
 
+#define SWITCH_ANIM_STATE(state)         \
+    do {                                 \
+        PLAYER_ACTOR->anim = (state);    \
+        PLAYER_ACTOR->frame_counter = 0; \
+        PLAYER_ACTOR->frame_idx = 0;     \
+    } while (0)
+
 player_t PLAYER;
 
 ASSET(player_tiles, "player.2bpp");
 ASSET(player_map, "player.map");
 
 void player_init(void) {
+    PLAYER.state = PLAYER_STATE_STAND;
     memcpy(VRAM_TILE_PTR(TILE_INDEX_PLAYER), &player_tiles[0],
            player_tiles_end - player_tiles);
 }
 
 void player_update(void) {
     if ((joypad_pressed & PAD_UP) && PLAYER.state != PLAYER_STATE_JUMP) {
+        SWITCH_ANIM_STATE(ANIM_JUMP);
         PLAYER.state = PLAYER_STATE_JUMP;
         PLAYER.vy = PLAYER_INIT_JUMP_VY;
     }
 
     if (PLAYER.state == PLAYER_STATE_JUMP) {
         PLAYER.vy -= GRAVITY;
-        PLAYER.y -= PLAYER.vy;
+        *((uint16_t*)&PLAYER.y_lo) -= PLAYER.vy;
 
         if (player_bg_collides()) {
-            PLAYER.y += PLAYER.vy;
             if (PLAYER.vy & (1 << 15)) {
-                PLAYER.state = PLAYER_STATE_WALK;
+                PLAYER.y_hi--;
+                while (player_bg_collides()) {
+                    PLAYER.y_hi--;
+                }
+                SWITCH_ANIM_STATE(ANIM_STAND);
+                PLAYER.state = PLAYER_STATE_STAND;
+            } else {
+                PLAYER.y_hi++;
+                while (player_bg_collides()) {
+                    PLAYER.y_hi++;
+                }
             }
             PLAYER.vy = 0;
         }
@@ -62,5 +80,5 @@ void player_update(void) {
     }
 
     PLAYER_ACTOR->x = PLAYER.x;
-    PLAYER_ACTOR->y = PLAYER.y >> 8;
+    PLAYER_ACTOR->y = PLAYER.y_hi;
 }

src/player.h

@@ -13,7 +13,8 @@ typedef enum {
 
 typedef struct {
     uint8_t x;
-    uint16_t y;
+    uint8_t y_lo;
+    uint8_t y_hi;
     uint16_t vy;
     uint8_t dir;
     uint8_t state;

src/songs/title.asm

@@ -0,0 +1,634 @@
+include "huge.inc"
+
+SECTION "Song Data", ROMX
+
+_song_title::
+song_title::
+db 7
+dw order_cnt
+dw order1, order2, order3, order4
+dw duty_instruments, wave_instruments, noise_instruments
+dw routines
+dw waves
+
+order_cnt: db 14
+order1: dw P0,P4,P0,P4,P0,P0,P0
+order2: dw P1,P2,P1,P2,P5,P5,P1
+order3: dw P10,P10,P10,P10,P10,P10,P10
+order4: dw P10,P3,P3,P3,P3,P3,P10
+
+P0:
+ dn D_3,1,$000
+ dn ___,0,$000
+ dn D_3,1,$C00
+ dn ___,0,$000
+ dn D_4,1,$000
+ dn ___,0,$000
+ dn D_4,1,$C00
+ dn ___,0,$000
+ dn D_5,1,$000
+ dn ___,0,$000
+ dn D_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D#3,1,$000
+ dn ___,0,$000
+ dn D#3,1,$C00
+ dn ___,0,$000
+ dn D#4,1,$000
+ dn ___,0,$000
+ dn D#4,1,$C00
+ dn ___,0,$000
+ dn D#5,1,$000
+ dn ___,0,$000
+ dn D#5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D_3,1,$000
+ dn ___,0,$000
+ dn D_3,1,$C00
+ dn ___,0,$000
+ dn D_4,1,$000
+ dn ___,0,$000
+ dn D_4,1,$C00
+ dn ___,0,$000
+ dn D_5,1,$000
+ dn ___,0,$000
+ dn D_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D#3,1,$000
+ dn ___,0,$000
+ dn D#3,1,$C00
+ dn ___,0,$000
+ dn D#4,1,$000
+ dn ___,0,$000
+ dn D#4,1,$C00
+ dn ___,0,$000
+ dn D#5,1,$000
+ dn ___,0,$000
+ dn D#5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+
+P1:
+ dn C_4,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn F_4,1,$000
+ dn ___,0,$000
+ dn F_4,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D_5,1,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn ___,0,$000
+ dn F_4,1,$000
+ dn ___,0,$000
+ dn F_4,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn F_4,1,$000
+ dn ___,0,$000
+ dn F_4,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn A#3,1,$000
+ dn ___,0,$000
+ dn C_4,1,$000
+ dn ___,0,$000
+
+P2:
+ dn D_4,1,$000
+ dn ___,0,$000
+ dn D_4,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D_4,1,$000
+ dn ___,0,$000
+ dn D_4,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_4,1,$000
+ dn ___,0,$000
+ dn C_4,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_3,1,$000
+ dn ___,0,$000
+ dn D_3,1,$000
+ dn ___,0,$000
+ dn D_3,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+
+P3:
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn C_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn C_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn C_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn C_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn C_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn C_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn C_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn C_5,1,$000
+ dn C_5,1,$C00
+
+P4:
+ dn D_3,1,$000
+ dn ___,0,$000
+ dn D_3,1,$C00
+ dn ___,0,$000
+ dn D_4,1,$000
+ dn ___,0,$000
+ dn D_4,1,$C00
+ dn ___,0,$000
+ dn D_5,1,$000
+ dn ___,0,$000
+ dn D_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D#3,1,$000
+ dn ___,0,$000
+ dn D#3,1,$C00
+ dn ___,0,$000
+ dn D#4,1,$000
+ dn ___,0,$000
+ dn D#4,1,$C00
+ dn ___,0,$000
+ dn D#5,1,$000
+ dn ___,0,$000
+ dn D#5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D_3,1,$000
+ dn ___,0,$000
+ dn D_3,1,$C00
+ dn ___,0,$000
+ dn D_4,1,$000
+ dn ___,0,$000
+ dn D_4,1,$C00
+ dn ___,0,$000
+ dn D_5,1,$000
+ dn ___,0,$000
+ dn D_5,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D#3,1,$000
+ dn ___,0,$000
+ dn D#3,1,$C00
+ dn ___,0,$000
+ dn D#4,1,$000
+ dn ___,0,$000
+ dn D#4,1,$C00
+ dn ___,0,$000
+ dn D#4,1,$000
+ dn ___,0,$000
+ dn D_4,1,$000
+ dn ___,0,$000
+ dn C_4,1,$000
+ dn ___,0,$000
+ dn C_4,1,$C00
+ dn ___,0,$000
+
+P5:
+ dn G_6,1,$000
+ dn ___,0,$000
+ dn G#6,1,$000
+ dn ___,0,$000
+ dn A#6,1,$000
+ dn ___,0,$000
+ dn G#6,1,$000
+ dn ___,0,$000
+ dn G#6,1,$000
+ dn ___,0,$000
+ dn A#6,1,$000
+ dn ___,0,$000
+ dn G#6,1,$000
+ dn ___,0,$000
+ dn G_6,1,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn G_6,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn G_6,1,$000
+ dn ___,0,$000
+ dn G#6,1,$000
+ dn ___,0,$000
+ dn A#6,1,$000
+ dn ___,0,$000
+ dn G#6,1,$000
+ dn ___,0,$000
+ dn G#6,1,$000
+ dn ___,0,$000
+ dn A#6,1,$000
+ dn ___,0,$000
+ dn G#6,1,$000
+ dn ___,0,$000
+ dn G_6,1,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D#6,1,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn D#6,1,$C00
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+
+P10:
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+ dn ___,0,$000
+
+duty_instruments:
+itSquareinst1: db 8,0,240,128
+itSquareinst2: db 8,64,240,128
+itSquareinst3: db 8,128,240,128
+itSquareinst4: db 8,192,240,128
+itSquareinst5: db 8,0,241,128
+itSquareinst6: db 8,64,241,128
+itSquareinst7: db 8,128,241,128
+itSquareinst8: db 8,192,241,128
+itSquareinst9: db 8,128,240,128
+itSquareinst10: db 8,128,240,128
+itSquareinst11: db 8,128,240,128
+itSquareinst12: db 8,128,240,128
+itSquareinst13: db 8,128,240,128
+itSquareinst14: db 8,128,240,128
+itSquareinst15: db 8,128,240,128
+
+
+wave_instruments:
+itWaveinst1: db 0,32,0,128
+itWaveinst2: db 0,32,1,128
+itWaveinst3: db 0,32,2,128
+itWaveinst4: db 0,32,3,128
+itWaveinst5: db 0,32,4,128
+itWaveinst6: db 0,32,5,128
+itWaveinst7: db 0,32,6,128
+itWaveinst8: db 0,32,7,128
+itWaveinst9: db 0,32,8,128
+itWaveinst10: db 0,32,9,128
+itWaveinst11: db 0,32,10,128
+itWaveinst12: db 0,32,11,128
+itWaveinst13: db 0,32,12,128
+itWaveinst14: db 0,32,13,128
+itWaveinst15: db 0,32,14,128
+
+
+noise_instruments:
+itNoiseinst1: db 240,0,-31,32,-31,32,-31,32
+itNoiseinst2: db 240,0,0,0,0,0,0,0
+itNoiseinst3: db 240,0,0,0,0,0,0,0
+itNoiseinst4: db 240,0,0,0,0,0,0,0
+itNoiseinst5: db 240,0,0,0,0,0,0,0
+itNoiseinst6: db 240,0,0,0,0,0,0,0
+itNoiseinst7: db 240,0,0,0,0,0,0,0
+itNoiseinst8: db 240,0,0,0,0,0,0,0
+itNoiseinst9: db 240,0,0,0,0,0,0,0
+itNoiseinst10: db 240,0,0,0,0,0,0,0
+itNoiseinst11: db 240,0,0,0,0,0,0,0
+itNoiseinst12: db 240,0,0,0,0,0,0,0
+itNoiseinst13: db 240,0,0,0,0,0,0,0
+itNoiseinst14: db 240,0,0,0,0,0,0,0
+itNoiseinst15: db 240,0,0,0,0,0,0,0
+
+
+routines:
+__hUGE_Routine_0:
+
+__end_hUGE_Routine_0:
+ret
+
+__hUGE_Routine_1:
+
+__end_hUGE_Routine_1:
+ret
+
+__hUGE_Routine_2:
+
+__end_hUGE_Routine_2:
+ret
+
+__hUGE_Routine_3:
+
+__end_hUGE_Routine_3:
+ret
+
+__hUGE_Routine_4:
+
+__end_hUGE_Routine_4:
+ret
+
+__hUGE_Routine_5:
+
+__end_hUGE_Routine_5:
+ret
+
+__hUGE_Routine_6:
+
+__end_hUGE_Routine_6:
+ret
+
+__hUGE_Routine_7:
+
+__end_hUGE_Routine_7:
+ret
+
+__hUGE_Routine_8:
+
+__end_hUGE_Routine_8:
+ret
+
+__hUGE_Routine_9:
+
+__end_hUGE_Routine_9:
+ret
+
+__hUGE_Routine_10:
+
+__end_hUGE_Routine_10:
+ret
+
+__hUGE_Routine_11:
+
+__end_hUGE_Routine_11:
+ret
+
+__hUGE_Routine_12:
+
+__end_hUGE_Routine_12:
+ret
+
+__hUGE_Routine_13:
+
+__end_hUGE_Routine_13:
+ret
+
+__hUGE_Routine_14:
+
+__end_hUGE_Routine_14:
+ret
+
+__hUGE_Routine_15:
+
+__end_hUGE_Routine_15:
+ret
+
+waves:
+wave0: db 0,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255
+wave1: db 0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,255
+wave2: db 0,0,0,0,0,0,0,0,255,255,255,255,255,255,255,255
+wave3: db 0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255
+wave4: db 0,1,18,35,52,69,86,103,120,137,154,171,188,205,222,239
+wave5: db 254,220,186,152,118,84,50,16,18,52,86,120,154,188,222,255
+wave6: db 122,205,219,117,33,19,104,189,220,151,65,1,71,156,221,184
+wave7: db 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15
+wave8: db 254,252,250,248,246,244,242,240,242,244,246,248,250,252,254,255
+wave9: db 254,221,204,187,170,153,136,119,138,189,241,36,87,138,189,238
+wave10: db 132,17,97,237,87,71,90,173,206,163,23,121,221,32,3,71
+wave11: db 9,221,121,137,227,27,203,59,32,190,49,4,32,179,160,158
+wave12: db 133,46,98,136,183,66,205,189,100,23,57,24,54,125,115,25
+wave13: db 199,94,4,173,222,87,147,208,0,54,220,214,5,148,23,131
+wave14: db 153,183,37,42,197,106,210,23,133,41,236,167,30,208,14,204
+wave15: db 58,64,136,231,133,42,212,220,193,158,147,235,125,194,86,57
+

src/title.c

@@ -1,6 +1,7 @@
 #include <string.h>
 
 #include "game.h"
+#include "hugedriver.h"
 #include "sdk/assets.h"
 #include "sdk/hardware.h"
 #include "sdk/joypad.h"
@@ -37,5 +38,9 @@ void title(void) {
         // Wait for VBLANK. Clear IF since global interrupts are disabled.
         HALT();
         rIF = 0;
+
+        hUGE_dosound();
     }
+
+    audio_reset();
 }