diff options
author | Nao Pross <naopross@thearcway.org> | 2018-02-27 10:38:17 +0100 |
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committer | Nao Pross <naopross@thearcway.org> | 2018-02-27 10:38:17 +0100 |
commit | 0a9c19f83f6a08f18871c9728c8cc474a615a3be (patch) | |
tree | 1d04689355f9106f3082d060b0d4d7bc9cf87df4 /src/disassembly | |
parent | Finalize measurement code and implement midi output (diff) | |
download | Xilofono-0a9c19f83f6a08f18871c9728c8cc474a615a3be.tar.gz Xilofono-0a9c19f83f6a08f18871c9728c8cc474a615a3be.zip |
MPLab X garbage
Diffstat (limited to '')
-rw-r--r-- | src/disassembly/listing.disasm | 1598 |
1 files changed, 913 insertions, 685 deletions
diff --git a/src/disassembly/listing.disasm b/src/disassembly/listing.disasm index e830f54..282aa13 100644 --- a/src/disassembly/listing.disasm +++ b/src/disassembly/listing.disasm @@ -1,7 +1,7 @@ Disassembly Listing for Xilofono Generated From: Z:/SAMB_4/projects/xilofono/src/dist/default/production/src.production.elf -23-feb-2018 16:30:03 +27-feb-2018 09:19:21 --- Z:/SAMB_4/projects/xilofono/src/rs232.c ----------------------------------------------------------- 1: #include "rs232.h" @@ -11,35 +11,35 @@ Z:/SAMB_4/projects/xilofono/src/dist/default/production/src.production.elf 5: { 6: // set Async and 8 bits frame 7: TXSTA1bits.SYNC = 0; -03FC 98AC BCF TXSTA1, 4, ACCESS +0598 98AC BCF TXSTA1, 4, ACCESS 8: TXSTA1bits.TX9 = 0; -03FE 9CAC BCF TXSTA1, 6, ACCESS +059A 9CAC BCF TXSTA1, 6, ACCESS 9: 10: // baud prescaler 11: RCSTA1bits.SPEN = 1; -0400 8EAB BSF RCSTA1, 7, ACCESS +059C 8EAB BSF RCSTA1, 7, ACCESS 12: SPBRG1 = 31; -0402 0E1F MOVLW 0x1F -0404 6EAF MOVWF SPBRG1, ACCESS +059E 0E1F MOVLW 0x1F +05A0 6EAF MOVWF SPBRG1, ACCESS 13: SPBRGH1 = 0; -0406 0E00 MOVLW 0x0 -0408 6EB0 MOVWF SPBRGH1, ACCESS +05A2 0E00 MOVLW 0x0 +05A4 6EB0 MOVWF SPBRGH1, ACCESS 14: TXSTA1bits.BRGH = 0; -040A 94AC BCF TXSTA1, 2, ACCESS +05A6 94AC BCF TXSTA1, 2, ACCESS 15: BAUDCON1bits.BRG16 = 0; -040C 96B8 BCF BAUDCON1, 3, ACCESS +05A8 96B8 BCF BAUDCON1, 3, ACCESS 16: 17: // set up TX / RX pins 18: TRISCbits.TRISC7 = 1; -040E 8E94 BSF TRISC, 7, ACCESS +05AA 8E94 BSF TRISC, 7, ACCESS 19: TRISCbits.TRISC6 = 1; -0410 8C94 BSF TRISC, 6, ACCESS +05AC 8C94 BSF TRISC, 6, ACCESS 20: RCSTA1bits.CREN = 1; // enable continuous reception -0412 88AB BSF RCSTA1, 4, ACCESS +05AE 88AB BSF RCSTA1, 4, ACCESS 21: TXSTA1bits.TXEN = 1; -0414 8AAC BSF TXSTA1, 5, ACCESS +05B0 8AAC BSF TXSTA1, 5, ACCESS 22: } -0416 0012 RETURN 0 +05B2 0012 RETURN 0 23: 24: void eusart2_init(void) 25: { @@ -47,53 +47,54 @@ Z:/SAMB_4/projects/xilofono/src/dist/default/production/src.production.elf 27: } 28: 29: void putch(char c) -0418 6E1A MOVWF p1, ACCESS +05B4 0100 MOVLB 0x0 +05B6 6F60 MOVWF __pcstackBANK0, BANKED 30: { 31: while (!TX1IF); -041A A89E BTFSS PIR1, 4, ACCESS -041C D7FE BRA 0x41A +05B8 A89E BTFSS PIR1, 4, ACCESS +05BA D7FE BRA 0x5B8 32: TX1REG = c; -041E C01A MOVFF p1, TXREG1 -0420 FFAD NOP +05BC C060 MOVFF __pcstackBANK0, TXREG1 +05BE FFAD NOP 33: } 0008 8245 BSF btemp, 1, ACCESS -000A CFFA MOVFF PCLATH, 0x5 -000C F005 NOP -000E CFFB MOVFF PCLATU, 0x6 -0010 F006 NOP -0012 CFE9 MOVFF FSR0, 0x7 -0014 F007 NOP -0016 CFEA MOVFF FSR0H, 0x8 -0018 F008 NOP -001A CFE1 MOVFF FSR1, 0x9 -001C F009 NOP -001E CFE2 MOVFF FSR1H, 0xA -0020 F00A NOP -0022 CFD9 MOVFF FSR2, 0xB -0024 F00B NOP -0026 CFDA MOVFF FSR2H, 0xC -0028 F00C NOP -002A CFF3 MOVFF PROD, 0xD -002C F00D NOP -002E CFF4 MOVFF PRODH, 0xE -0030 F00E NOP -0032 CFF6 MOVFF TBLPTR, 0xF -0034 F00F NOP -0036 CFF7 MOVFF TBLPTRH, 0x10 -0038 F010 NOP -003A CFF8 MOVFF TBLPTRU, 0x11 -003C F011 NOP -003E CFF5 MOVFF TABLAT, 0x12 -0040 F012 NOP -0042 C045 MOVFF btemp, 0x13 -0044 F013 NOP -0046 C046 MOVFF 0x46, 0x14 -0048 F014 NOP -004A C047 MOVFF 0x47, 0x15 -004C F015 NOP -004E C048 MOVFF 0x48, 0x16 -0050 F016 NOP -0422 0012 RETURN 0 +000A CFFA MOVFF PCLATH, 0x2B +000C F02B NOP +000E CFFB MOVFF PCLATU, 0x2C +0010 F02C NOP +0012 CFE9 MOVFF FSR0, 0x2D +0014 F02D NOP +0016 CFEA MOVFF FSR0H, 0x2E +0018 F02E NOP +001A CFE1 MOVFF FSR1, 0x2F +001C F02F NOP +001E CFE2 MOVFF FSR1H, 0x30 +0020 F030 NOP +0022 CFD9 MOVFF FSR2, 0x31 +0024 F031 NOP +0026 CFDA MOVFF FSR2H, 0x32 +0028 F032 NOP +002A CFF3 MOVFF PROD, 0x33 +002C F033 NOP +002E CFF4 MOVFF PRODH, 0x34 +0030 F034 NOP +0032 CFF6 MOVFF TBLPTR, 0x35 +0034 F035 NOP +0036 CFF7 MOVFF TBLPTRH, 0x36 +0038 F036 NOP +003A CFF8 MOVFF TBLPTRU, 0x37 +003C F037 NOP +003E CFF5 MOVFF TABLAT, 0x38 +0040 F038 NOP +0042 C045 MOVFF btemp, 0x39 +0044 F039 NOP +0046 C046 MOVFF 0x46, 0x3A +0048 F03A NOP +004A C047 MOVFF 0x47, 0x3B +004C F03B NOP +004E C048 MOVFF 0x48, 0x3C +0050 F03C NOP +05C0 0012 RETURN 0 34: 35: char getch(void) 36: { @@ -151,28 +152,29 @@ Z:/SAMB_4/projects/xilofono/src/dist/default/production/src.production.elf 40: int midi_set_status(midi_message_t *pkt, midi_status_t status) 41: { 42: if (pkt == NULL) { -03D8 501A MOVF p1, W, ACCESS -03DA 101B IORWF pkt, W, ACCESS -03DC B4D8 BTFSC STATUS, 2, ACCESS -03DE 0012 RETURN 0 +0572 0100 MOVLB 0x0 +0574 5160 MOVF __pcstackBANK0, W, BANKED +0576 1161 IORWF pkt, W, BANKED +0578 B4D8 BTFSC STATUS, 2, ACCESS +057A 0012 RETURN 0 43: return -1; 44: } 45: 46: pkt->status = status & 0x0F; -03E0 C01C MOVFF c, 0x1D -03E2 F01D NOP -03E4 0E0F MOVLW 0xF -03E6 161D ANDWF 0x1D, F, ACCESS -03E8 C01A MOVFF p1, FSR2 -03EA FFD9 NOP -03EC C01B MOVFF pkt, FSR2H -03EE FFDA NOP -03F0 50DF MOVF INDF2, W, ACCESS -03F2 181D XORWF 0x1D, W, ACCESS -03F4 0BF0 ANDLW 0xF0 -03F6 181D XORWF 0x1D, W, ACCESS -03F8 6EDF MOVWF INDF2, ACCESS -03FA 0012 RETURN 0 +057C C062 MOVFF c, 0x63 +057E F063 NOP +0580 0E0F MOVLW 0xF +0582 1763 ANDWF 0x63, F, BANKED +0584 C060 MOVFF __pcstackBANK0, FSR2 +0586 FFD9 NOP +0588 C061 MOVFF pkt, FSR2H +058A FFDA NOP +058C 50DF MOVF INDF2, W, ACCESS +058E 1963 XORWF 0x63, W, BANKED +0590 0BF0 ANDLW 0xF0 +0592 1963 XORWF 0x63, W, BANKED +0594 6EDF MOVWF INDF2, ACCESS +0596 0012 RETURN 0 47: 48: return 0; 49: } @@ -180,29 +182,30 @@ Z:/SAMB_4/projects/xilofono/src/dist/default/production/src.production.elf 51: int midi_set_channel(midi_message_t *pkt, unsigned channel) 52: { 53: if (pkt == NULL) { -03B2 501A MOVF p1, W, ACCESS -03B4 101B IORWF pkt, W, ACCESS -03B6 B4D8 BTFSC STATUS, 2, ACCESS -03B8 0012 RETURN 0 +054A 0100 MOVLB 0x0 +054C 5160 MOVF __pcstackBANK0, W, BANKED +054E 1161 IORWF pkt, W, BANKED +0550 B4D8 BTFSC STATUS, 2, ACCESS +0552 0012 RETURN 0 54: return -1; 55: } 56: 57: pkt->channel = channel & 0x0F; -03BA C01C MOVFF c, n -03BC F01E NOP -03BE 0E0F MOVLW 0xF -03C0 161E ANDWF n, F, ACCESS -03C2 C01A MOVFF p1, FSR2 -03C4 FFD9 NOP -03C6 C01B MOVFF pkt, FSR2H -03C8 FFDA NOP -03CA 3A1E SWAPF n, F, ACCESS -03CC 50DF MOVF INDF2, W, ACCESS -03CE 181E XORWF n, W, ACCESS -03D0 0B0F ANDLW 0xF -03D2 181E XORWF n, W, ACCESS -03D4 6EDF MOVWF INDF2, ACCESS -03D6 0012 RETURN 0 +0554 C062 MOVFF c, n +0556 F064 NOP +0558 0E0F MOVLW 0xF +055A 1764 ANDWF n, F, BANKED +055C C060 MOVFF __pcstackBANK0, FSR2 +055E FFD9 NOP +0560 C061 MOVFF pkt, FSR2H +0562 FFDA NOP +0564 3B64 SWAPF n, F, BANKED +0566 50DF MOVF INDF2, W, ACCESS +0568 1964 XORWF n, W, BANKED +056A 0B0F ANDLW 0xF +056C 1964 XORWF n, W, BANKED +056E 6EDF MOVWF INDF2, ACCESS +0570 0012 RETURN 0 58: 59: return 0; 60: } @@ -210,108 +213,103 @@ Z:/SAMB_4/projects/xilofono/src/dist/default/production/src.production.elf 62: int midi_note_on(midi_message_t *pkt, unsigned channel, midi_note_t note, uint8_t velocity) 63: { 64: if (pkt == NULL) { -01BC 501F MOVF pkt, W, ACCESS -01BE 1020 IORWF p, W, ACCESS -01C0 B4D8 BTFSC STATUS, 2, ACCESS -01C2 0012 RETURN 0 +0424 0100 MOVLB 0x0 +0426 5165 MOVF pkt, W, BANKED +0428 1166 IORWF p, W, BANKED +042A B4D8 BTFSC STATUS, 2, ACCESS +042C 0012 RETURN 0 65: return -1; 66: } -67: -68: if (pkt->data == NULL) { -01C4 0E03 MOVLW 0x3 -01C6 241F ADDWF pkt, W, ACCESS -01C8 0100 MOVLB 0x0 -01CA 6F60 MOVWF __pcstackBANK0, BANKED -01CC 0E00 MOVLW 0x0 -01CE 2020 ADDWFC p, W, ACCESS -01D0 6F61 MOVWF 0x61, BANKED -01D2 5160 MOVF __pcstackBANK0, W, BANKED -01D4 1161 IORWF 0x61, W, BANKED -01D6 B4D8 BTFSC STATUS, 2, ACCESS -01D8 0012 RETURN 0 -69: return -2; -70: } -71: -72: midi_set_status(pkt, NOTE_ON); -01DA C01F MOVFF pkt, p1 -01DC F01A NOP -01DE C020 MOVFF p, pkt -01E0 F01B NOP -01E2 0E08 MOVLW 0x8 -01E4 6E1C MOVWF c, ACCESS -01E6 ECEC CALL 0x3D8, 0 -01E8 F001 NOP -73: midi_set_channel(pkt, channel); -01EA C01F MOVFF pkt, p1 -01EC F01A NOP -01EE C020 MOVFF p, pkt -01F0 F01B NOP -01F2 C021 MOVFF channel, c -01F4 F01C NOP -01F6 C022 MOVFF 0x22, 0x1D -01F8 F01D NOP -01FA ECD9 CALL 0x3B2, 0 -01FC F001 NOP -74: -75: pkt->data[0] = note; -01FE EE20 LFSR 2, 0x3 -0200 F003 NOP -0202 501F MOVF pkt, W, ACCESS -0204 26D9 ADDWF FSR2, F, ACCESS -0206 5020 MOVF p, W, ACCESS -0208 22DA ADDWFC FSR2H, F, ACCESS -020A C023 MOVFF note, INDF2 -020C FFDF NOP -76: pkt->data[1] = velocity; -020E EE20 LFSR 2, 0x4 -0210 F004 NOP -0212 501F MOVF pkt, W, ACCESS -0214 26D9 ADDWF FSR2, F, ACCESS -0216 5020 MOVF p, W, ACCESS -0218 22DA ADDWFC FSR2H, F, ACCESS -021A C024 MOVFF velocity, INDF2 -021C FFDF NOP -77: -78: #ifndef MIDI_DYNAMIC_MEMORY_ALLOC -79: pkt->data_size = 2; -021E EE20 LFSR 2, 0x1 -0220 F001 NOP -0222 501F MOVF pkt, W, ACCESS -0224 26D9 ADDWF FSR2, F, ACCESS -0226 5020 MOVF p, W, ACCESS -0228 22DA ADDWFC FSR2H, F, ACCESS -022A 0E02 MOVLW 0x2 -022C 6EDE MOVWF POSTINC2, ACCESS -022E 0E00 MOVLW 0x0 -0230 6EDD MOVWF POSTDEC2, ACCESS -0232 0012 RETURN 0 -80: #endif -81: -82: return 0; -83: } -84: -85: int midi_note_off(midi_message_t *pkt, unsigned channel, midi_note_t note, uint8_t velocity) -86: { -87: if (pkt == NULL) { -88: return -1; -89: } -90: -91: if (pkt->data == NULL) { -92: return -2; -93: } -94: -95: midi_set_status(pkt, NOTE_OFF); -96: midi_set_channel(pkt, channel); -97: -98: pkt->data[0] = note; -99: pkt->data[1] = velocity; -100: -101: #ifndef MIDI_DYNAMIC_MEMORY_ALLOC -102: pkt->data_size = 2; -103: #endif +67: +68: #ifdef MIDI_DYNAMIC_MEMORY_ALLOC +69: if (pkt->data == NULL) { +70: return -2; +71: } +72: #endif +73: +74: midi_set_status(pkt, NOTE_ON); +042E C065 MOVFF pkt, __pcstackBANK0 +0430 F060 NOP +0432 C066 MOVFF p, pkt +0434 F061 NOP +0436 0E08 MOVLW 0x8 +0438 6F62 MOVWF c, BANKED +043A ECB9 CALL 0x572, 0 +043C F002 NOP +75: midi_set_channel(pkt, channel); +043E C065 MOVFF pkt, __pcstackBANK0 +0440 F060 NOP +0442 C066 MOVFF p, pkt +0444 F061 NOP +0446 C067 MOVFF channel, c +0448 F062 NOP +044A C068 MOVFF 0x68, 0x63 +044C F063 NOP +044E ECA5 CALL 0x54A, 0 +0450 F002 NOP +76: +77: pkt->data[0] = note; +0452 0100 MOVLB 0x0 +0454 EE20 LFSR 2, 0x3 +0456 F003 NOP +0458 5165 MOVF pkt, W, BANKED +045A 26D9 ADDWF FSR2, F, ACCESS +045C 5166 MOVF p, W, BANKED +045E 22DA ADDWFC FSR2H, F, ACCESS +0460 C069 MOVFF note, INDF2 +0462 FFDF NOP +78: pkt->data[1] = velocity; +0464 EE20 LFSR 2, 0x4 +0466 F004 NOP +0468 5165 MOVF pkt, W, BANKED +046A 26D9 ADDWF FSR2, F, ACCESS +046C 5166 MOVF p, W, BANKED +046E 22DA ADDWFC FSR2H, F, ACCESS +0470 C06A MOVFF velocity, INDF2 +0472 FFDF NOP +79: +80: #ifndef MIDI_DYNAMIC_MEMORY_ALLOC +81: pkt->data_size = 2; +0474 EE20 LFSR 2, 0x1 +0476 F001 NOP +0478 5165 MOVF pkt, W, BANKED +047A 26D9 ADDWF FSR2, F, ACCESS +047C 5166 MOVF p, W, BANKED +047E 22DA ADDWFC FSR2H, F, ACCESS +0480 0E02 MOVLW 0x2 +0482 6EDE MOVWF POSTINC2, ACCESS +0484 0E00 MOVLW 0x0 +0486 6EDD MOVWF POSTDEC2, ACCESS +0488 0012 RETURN 0 +82: #endif +83: +84: return 0; +85: } +86: +87: int midi_note_off(midi_message_t *pkt, unsigned channel, midi_note_t note, uint8_t velocity) +88: { +89: if (pkt == NULL) { +90: return -1; +91: } +92: +93: #ifdef MIDI_DYNAMIC_MEMORY_ALLOC +94: if (pkt->data == NULL) { +95: return -2; +96: } +97: #endif +98: +99: midi_set_status(pkt, NOTE_OFF); +100: midi_set_channel(pkt, channel); +101: +102: pkt->data[0] = note; +103: pkt->data[1] = velocity; 104: -105: return 0; -106: } +105: #ifndef MIDI_DYNAMIC_MEMORY_ALLOC +106: pkt->data_size = 2; +107: #endif +108: +109: return 0; +110: } --- Z:/SAMB_4/projects/xilofono/src/main.c ------------------------------------------------------------ 1: /* 2: * File: main.c @@ -402,487 +400,715 @@ Z:/SAMB_4/projects/xilofono/src/dist/default/production/src.production.elf 87: #include <stdint.h> 88: #include <string.h> 89: -90: #define NOTES 15 +90: #define NOTES 16 91: #define NOTE_MASK 0xFF00 92: -93: -94: /* global variables */ -95: volatile uint16_t keypresses[NOTES]; -96: -97: /* function prototypes */ -98: int eusart_write_midi(const midi_message_t *pkt); +93: #define MIDI_CHANNEL 0x0 +94: #define MIDI_SCALE_START 0x3C +95: +96: /* global variables */ +97: volatile uint16_t keys_data[NOTES]; +98: volatile uint16_t keypresses = 0; // flags to notify the main program 99: -100: /* interrupt service routine */ -101: interrupt void isr(void) +100: /* function prototypes */ +101: int eusart_write_midi(const midi_message_t *pkt); +102: +103: /* interrupt service routine */ +104: interrupt void isr(void) 0008 8245 BSF btemp, 1, ACCESS -102: { -103: unsigned char i, data; -104: -105: PORTDbits.RD3 = 0; +105: { +106: unsigned char i, data_a, data_b; +107: +108: PORTDbits.RD3 = 0; 0052 9683 BCF PORTD, 3, ACCESS -106: -107: if (PIR1bits.TMR2IF) { +109: +110: if (PIR1bits.TMR2IF) { 0054 A29E BTFSS PIR1, 1, ACCESS -0056 D089 BRA 0x16A -108: // PORTA -109: data = PORTA; -0058 CF80 MOVFF PORTA, data -005A F018 NOP -110: i = 7; -005C 0E07 MOVLW 0x7 -005E 6E19 MOVWF i, ACCESS -111: do { -112: keypresses[i] = (keypresses[i] << 1) | ((data >> i) & 0x01); -0060 5019 MOVF i, W, ACCESS -0062 0D02 MULLW 0x2 -0064 0E25 MOVLW 0x25 -0066 24F3 ADDWF PROD, W, ACCESS -0068 6ED9 MOVWF FSR2, ACCESS -006A 0E00 MOVLW 0x0 -006C 20F4 ADDWFC PRODH, W, ACCESS -006E 6EDA MOVWF FSR2H, ACCESS -0070 CFDE MOVFF POSTINC2, __pcstackCOMRAM -0072 F001 NOP -0074 CFDD MOVFF POSTDEC2, 0x2 -0076 F002 NOP -0078 90D8 BCF STATUS, 0, ACCESS -007A 3601 RLCF __pcstackCOMRAM, F, ACCESS -007C 3602 RLCF 0x2, F, ACCESS -007E C019 MOVFF i, 0x3 -0080 F003 NOP -0082 C018 MOVFF data, 0x4 -0084 F004 NOP -0086 2A03 INCF 0x3, F, ACCESS -0088 D002 BRA 0x8E -008A 90D8 BCF STATUS, 0, ACCESS -008C 3204 RRCF 0x4, F, ACCESS -008E 2E03 DECFSZ 0x3, F, ACCESS -0090 D7FC BRA 0x8A -0092 0E01 MOVLW 0x1 -0094 1604 ANDWF 0x4, F, ACCESS -0096 5004 MOVF 0x4, W, ACCESS -0098 1201 IORWF __pcstackCOMRAM, F, ACCESS -009A 0E00 MOVLW 0x0 -009C 1202 IORWF 0x2, F, ACCESS -009E 5019 MOVF i, W, ACCESS -00A0 0D02 MULLW 0x2 -00A2 0E25 MOVLW 0x25 -00A4 24F3 ADDWF PROD, W, ACCESS -00A6 6ED9 MOVWF FSR2, ACCESS -00A8 0E00 MOVLW 0x0 -00AA 20F4 ADDWFC PRODH, W, ACCESS -00AC 6EDA MOVWF FSR2H, ACCESS -00AE C001 MOVFF __pcstackCOMRAM, POSTINC2 -00B0 FFDE NOP -00B2 C002 MOVFF 0x2, POSTDEC2 -00B4 FFDD NOP -113: } while (i--); -00B6 0619 DECF i, F, ACCESS -00B8 2819 INCF i, W, ACCESS -00BA A4D8 BTFSS STATUS, 2, ACCESS -00BC D7D1 BRA 0x60 -114: -115: data = PORTB; -00BE CF81 MOVFF PORTB, data -00C0 F018 NOP -116: i = 7; -00C2 0E07 MOVLW 0x7 -00C4 6E19 MOVWF i, ACCESS -117: do { -118: keypresses[i] = (keypresses[i] << 1) | ((data >> i) & 0x01); -00C6 5019 MOVF i, W, ACCESS -00C8 0D02 MULLW 0x2 -00CA 0E25 MOVLW 0x25 -00CC 24F3 ADDWF PROD, W, ACCESS -00CE 6ED9 MOVWF FSR2, ACCESS -00D0 0E00 MOVLW 0x0 -00D2 20F4 ADDWFC PRODH, W, ACCESS -00D4 6EDA MOVWF FSR2H, ACCESS -00D6 CFDE MOVFF POSTINC2, __pcstackCOMRAM -00D8 F001 NOP -00DA CFDD MOVFF POSTDEC2, 0x2 -00DC F002 NOP -00DE 90D8 BCF STATUS, 0, ACCESS -00E0 3601 RLCF __pcstackCOMRAM, F, ACCESS -00E2 3602 RLCF 0x2, F, ACCESS -00E4 C019 MOVFF i, 0x3 -00E6 F003 NOP -00E8 C018 MOVFF data, 0x4 -00EA F004 NOP -00EC 2A03 INCF 0x3, F, ACCESS -00EE D002 BRA 0xF4 -00F0 90D8 BCF STATUS, 0, ACCESS -00F2 3204 RRCF 0x4, F, ACCESS -00F4 2E03 DECFSZ 0x3, F, ACCESS -00F6 D7FC BRA 0xF0 -00F8 0E01 MOVLW 0x1 -00FA 1604 ANDWF 0x4, F, ACCESS -00FC 5004 MOVF 0x4, W, ACCESS -00FE 1201 IORWF __pcstackCOMRAM, F, ACCESS -0100 0E00 MOVLW 0x0 -0102 1202 IORWF 0x2, F, ACCESS -0104 5019 MOVF i, W, ACCESS -0106 0D02 MULLW 0x2 -0108 0E25 MOVLW 0x25 -010A 24F3 ADDWF PROD, W, ACCESS -010C 6ED9 MOVWF FSR2, ACCESS -010E 0E00 MOVLW 0x0 -0110 20F4 ADDWFC PRODH, W, ACCESS -0112 6EDA MOVWF FSR2H, ACCESS -0114 C001 MOVFF __pcstackCOMRAM, POSTINC2 -0116 FFDE NOP -0118 C002 MOVFF 0x2, POSTDEC2 -011A FFDD NOP -119: } while (i-- - 8); -011C 0EF8 MOVLW 0xF8 -011E 6E01 MOVWF __pcstackCOMRAM, ACCESS -0120 0EFF MOVLW 0xFF -0122 6E02 MOVWF 0x2, ACCESS -0124 0619 DECF i, F, ACCESS -0126 2819 INCF i, W, ACCESS -0128 6E03 MOVWF 0x3, ACCESS -012A 6A04 CLRF 0x4, ACCESS -012C 5001 MOVF __pcstackCOMRAM, W, ACCESS -012E 2603 ADDWF 0x3, F, ACCESS -0130 5002 MOVF 0x2, W, ACCESS -0132 2204 ADDWFC 0x4, F, ACCESS -0134 5003 MOVF 0x3, W, ACCESS -0136 1004 IORWF 0x4, W, ACCESS -0138 A4D8 BTFSS STATUS, 2, ACCESS -013A D7C5 BRA 0xC6 -120: -121: // PORTB -122: // for (i = 8; i < NOTES; i++) { -123: // keypresses[i] = (keypresses[i] << 1) | ((PORTB & (1 << i)) >> i); -124: // } -125: -126: // TODO same for PORTD when the steps board is printed -127: -128: // debug stuff -129: PORTDbits.RD4 = PORTAbits.RA0; -013C A080 BTFSS PORTA, 0, ACCESS -013E D002 BRA 0x144 -0140 8883 BSF PORTD, 4, ACCESS -0142 D001 BRA 0x146 -0144 9883 BCF PORTD, 4, ACCESS -130: PORTDbits.RD2 = (keypresses[0] && !(keypresses[0] & NOTE_MASK)); -0146 0E00 MOVLW 0x0 -0148 6E17 MOVWF 0x17, ACCESS -014A 5025 MOVF keypresses, W, ACCESS -014C 1026 IORWF 0x26, W, ACCESS -014E B4D8 BTFSC STATUS, 2, ACCESS -0150 D006 BRA 0x15E -0152 0EFF MOVLW 0xFF -0154 1426 ANDWF 0x26, W, ACCESS +0056 D11F BRA 0x296 +111: data_a = PORTA; +0058 CF80 MOVFF PORTA, data_a +005A F03D NOP +112: data_b = PORTB; +005C CF81 MOVFF PORTB, data_b +005E F03E NOP +113: i = 7; +0060 0E07 MOVLW 0x7 +0062 6E42 MOVWF i, ACCESS +114: do { +115: // read the data and append it at the end of keys_data[i] +116: keys_data[i] = (keys_data[i] << 1) | ((data_a >> i) & 0x01); +0064 5042 MOVF i, W, ACCESS +0066 0D02 MULLW 0x2 +0068 0E03 MOVLW 0x3 +006A 24F3 ADDWF PROD, W, ACCESS +006C 6ED9 MOVWF FSR2, ACCESS +006E 0E00 MOVLW 0x0 +0070 20F4 ADDWFC PRODH, W, ACCESS +0072 6EDA MOVWF FSR2H, ACCESS +0074 CFDE MOVFF POSTINC2, __pcstackCOMRAM +0076 F023 NOP +0078 CFDD MOVFF POSTDEC2, 0x24 +007A F024 NOP +007C 90D8 BCF STATUS, 0, ACCESS +007E 3623 RLCF __pcstackCOMRAM, F, ACCESS +0080 3624 RLCF 0x24, F, ACCESS +0082 C042 MOVFF i, 0x25 +0084 F025 NOP +0086 C03D MOVFF data_a, 0x26 +0088 F026 NOP +008A 2A25 INCF 0x25, F, ACCESS +008C D002 BRA 0x92 +008E 90D8 BCF STATUS, 0, ACCESS +0090 3226 RRCF 0x26, F, ACCESS +0092 2E25 DECFSZ 0x25, F, ACCESS +0094 D7FC BRA 0x8E +0096 0E01 MOVLW 0x1 +0098 1626 ANDWF 0x26, F, ACCESS +009A 5026 MOVF 0x26, W, ACCESS +009C 1223 IORWF __pcstackCOMRAM, F, ACCESS +009E 0E00 MOVLW 0x0 +00A0 1224 IORWF 0x24, F, ACCESS +00A2 5042 MOVF i, W, ACCESS +00A4 0D02 MULLW 0x2 +00A6 0E03 MOVLW 0x3 +00A8 24F3 ADDWF PROD, W, ACCESS +00AA 6ED9 MOVWF FSR2, ACCESS +00AC 0E00 MOVLW 0x0 +00AE 20F4 ADDWFC PRODH, W, ACCESS +00B0 6EDA MOVWF FSR2H, ACCESS +00B2 C023 MOVFF __pcstackCOMRAM, POSTINC2 +00B4 FFDE NOP +00B6 C024 MOVFF 0x24, POSTDEC2 +00B8 FFDD NOP +117: keys_data[i + 8] = (keys_data[i + 8] << 1) | ((data_b >> i) & 0x01); +00BA 5042 MOVF i, W, ACCESS +00BC 6E23 MOVWF __pcstackCOMRAM, ACCESS +00BE 6A24 CLRF 0x24, ACCESS +00C0 90D8 BCF STATUS, 0, ACCESS +00C2 3623 RLCF __pcstackCOMRAM, F, ACCESS +00C4 3624 RLCF 0x24, F, ACCESS +00C6 0E10 MOVLW 0x10 +00C8 2623 ADDWF __pcstackCOMRAM, F, ACCESS +00CA 0E00 MOVLW 0x0 +00CC 2224 ADDWFC 0x24, F, ACCESS +00CE 0E03 MOVLW 0x3 +00D0 2423 ADDWF __pcstackCOMRAM, W, ACCESS +00D2 6ED9 MOVWF FSR2, ACCESS +00D4 0E00 MOVLW 0x0 +00D6 2024 ADDWFC 0x24, W, ACCESS +00D8 6EDA MOVWF FSR2H, ACCESS +00DA CFDE MOVFF POSTINC2, 0x25 +00DC F025 NOP +00DE CFDD MOVFF POSTDEC2, 0x26 +00E0 F026 NOP +00E2 90D8 BCF STATUS, 0, ACCESS +00E4 3625 RLCF 0x25, F, ACCESS +00E6 3626 RLCF 0x26, F, ACCESS +00E8 C042 MOVFF i, 0x27 +00EA F027 NOP +00EC C03E MOVFF data_b, 0x28 +00EE F028 NOP +00F0 2A27 INCF 0x27, F, ACCESS +00F2 D002 BRA 0xF8 +00F4 90D8 BCF STATUS, 0, ACCESS +00F6 3228 RRCF 0x28, F, ACCESS +00F8 2E27 DECFSZ 0x27, F, ACCESS +00FA D7FC BRA 0xF4 +00FC 0E01 MOVLW 0x1 +00FE 1628 ANDWF 0x28, F, ACCESS +0100 5028 MOVF 0x28, W, ACCESS +0102 1225 IORWF 0x25, F, ACCESS +0104 0E00 MOVLW 0x0 +0106 1226 IORWF 0x26, F, ACCESS +0108 5042 MOVF i, W, ACCESS +010A 6E29 MOVWF 0x29, ACCESS +010C 6A2A CLRF 0x2A, ACCESS +010E 90D8 BCF STATUS, 0, ACCESS +0110 3629 RLCF 0x29, F, ACCESS +0112 362A RLCF 0x2A, F, ACCESS +0114 0E10 MOVLW 0x10 +0116 2629 ADDWF 0x29, F, ACCESS +0118 0E00 MOVLW 0x0 +011A 222A ADDWFC 0x2A, F, ACCESS +011C 0E03 MOVLW 0x3 +011E 2429 ADDWF 0x29, W, ACCESS +0120 6ED9 MOVWF FSR2, ACCESS +0122 0E00 MOVLW 0x0 +0124 202A ADDWFC 0x2A, W, ACCESS +0126 6EDA MOVWF FSR2H, ACCESS +0128 C025 MOVFF 0x25, POSTINC2 +012A FFDE NOP +012C C026 MOVFF 0x26, POSTDEC2 +012E FFDD NOP +118: +119: // TODO same for PORTD when the steps board is printed +120: +121: // if the keypress flag is set, the main hasn't sent the packet (yet) +122: if (!(keypresses & (1<<i))) { +0130 C042 MOVFF i, __pcstackCOMRAM +0132 F023 NOP +0134 0E01 MOVLW 0x1 +0136 6E24 MOVWF 0x24, ACCESS +0138 0E00 MOVLW 0x0 +013A 6E25 MOVWF 0x25, ACCESS +013C 2A23 INCF __pcstackCOMRAM, F, ACCESS +013E D003 BRA 0x146 +0140 90D8 BCF STATUS, 0, ACCESS +0142 3624 RLCF 0x24, F, ACCESS +0144 3625 RLCF 0x25, F, ACCESS +0146 2E23 DECFSZ __pcstackCOMRAM, F, ACCESS +0148 D7FB BRA 0x140 +014A 5001 MOVF keypresses, W, ACCESS +014C 1624 ANDWF 0x24, F, ACCESS +014E 5002 MOVF 0x2, W, ACCESS +0150 1625 ANDWF 0x25, F, ACCESS +0152 5024 MOVF 0x24, W, ACCESS +0154 1025 IORWF 0x25, W, ACCESS 0156 A4D8 BTFSS STATUS, 2, ACCESS -0158 D002 BRA 0x15E -015A 0E01 MOVLW 0x1 -015C 6E17 MOVWF 0x17, ACCESS -015E B017 BTFSC 0x17, 0, ACCESS -0160 D002 BRA 0x166 -0162 9483 BCF PORTD, 2, ACCESS -0164 D001 BRA 0x168 -0166 8483 BSF PORTD, 2, ACCESS -131: -132: // reset interrupt flag -133: PIR1bits.TMR2IF = 0; -0168 929E BCF PIR1, 1, ACCESS -134: } -135: -136: PORTDbits.RD3 = 1; -016A 8683 BSF PORTD, 3, ACCESS -137: } -016C C016 MOVFF 0x16, 0x48 -016E F048 NOP -0170 C015 MOVFF 0x15, 0x47 -0172 F047 NOP -0174 C014 MOVFF 0x14, 0x46 -0176 F046 NOP -0178 C013 MOVFF 0x13, btemp -017A F045 NOP -017C C012 MOVFF 0x12, TABLAT -017E FFF5 NOP -0180 C011 MOVFF 0x11, TBLPTRU -0182 FFF8 NOP -0184 C010 MOVFF 0x10, TBLPTRH -0186 FFF7 NOP -0188 C00F MOVFF 0xF, TBLPTR -018A FFF6 NOP -018C C00E MOVFF 0xE, PRODH -018E FFF4 NOP -0190 C00D MOVFF 0xD, PROD -0192 FFF3 NOP -0194 C00C MOVFF 0xC, FSR2H -0196 FFDA NOP -0198 C00B MOVFF 0xB, FSR2 -019A FFD9 NOP -019C C00A MOVFF 0xA, FSR1H -019E FFE2 NOP -01A0 C009 MOVFF 0x9, FSR1 -01A2 FFE1 NOP -01A4 C008 MOVFF 0x8, FSR0H -01A6 FFEA NOP -01A8 C007 MOVFF 0x7, FSR0 -01AA FFE9 NOP -01AC C006 MOVFF 0x6, PCLATU -01AE FFFB NOP -01B0 C005 MOVFF 0x5, PCLATH -01B2 FFFA NOP -01B4 9245 BCF btemp, 1, ACCESS -01B6 0011 RETFIE 1 -138: -139: /* hardware configuration (inlined) */ -140: inline void init_hw(void) -141: { -142: di(); -02A8 9EF2 BCF INTCON, 7, ACCESS -143: -144: /* PLL / FOSC configuration */ -145: // enable PLL -146: OSCTUNEbits.PLLEN = 1; -02AA 8C9B BSF OSCTUNE, 6, ACCESS -147: // set FOSC to HFINTOSC (max frequency) -148: OSCTUNEbits.TUN = 0b011111; -02AC 809B BSF OSCTUNE, 0, ACCESS -02AE 829B BSF OSCTUNE, 1, ACCESS -02B0 849B BSF OSCTUNE, 2, ACCESS -02B2 869B BSF OSCTUNE, 3, ACCESS -02B4 889B BSF OSCTUNE, 4, ACCESS -02B6 9A9B BCF OSCTUNE, 5, ACCESS -149: // set 16 MHz oscillator, datasheet p.30 -150: OSCCONbits.IRCF = 0b111; -02B8 88D3 BSF OSCCON, 4, ACCESS -02BA 8AD3 BSF OSCCON, 5, ACCESS -02BC 8CD3 BSF OSCCON, 6, ACCESS -151: // select primary clock (with PLL) -152: OSCCONbits.SCS = 0b00; -02BE 0EFC MOVLW 0xFC -02C0 16D3 ANDWF OSCCON, F, ACCESS -153: -154: /* i/o initializazion */ -155: // disable all ADCs -156: ANSELA = 0x00; -02C2 0E00 MOVLW 0x0 -02C4 010F MOVLB 0xF -02C6 6F38 MOVWF 0x38, BANKED -157: ANSELB = 0x00; -02C8 0E00 MOVLW 0x0 -02CA 6F39 MOVWF 0x39, BANKED -158: ANSELC = 0x00; -02CC 0E00 MOVLW 0x0 -02CE 6F3A MOVWF 0x3A, BANKED -159: ANSELD = 0x00; -02D0 0E00 MOVLW 0x0 -02D2 6F3B MOVWF 0x3B, BANKED -160: -161: // TODO: remove demo -162: TRISA = 0xFF; -02D4 6892 SETF TRISA, ACCESS -163: TRISB = 0xFF; -02D6 6893 SETF TRISB, ACCESS -164: -165: TRISDbits.TRISD1 = 0; -02D8 9295 BCF TRISD, 1, ACCESS -166: TRISDbits.TRISD2 = 0; -02DA 9495 BCF TRISD, 2, ACCESS -167: TRISDbits.TRISD3 = 0; -02DC 9695 BCF TRISD, 3, ACCESS -168: TRISDbits.TRISD4 = 0; -02DE 9895 BCF TRISD, 4, ACCESS +0158 D02D BRA 0x1B4 +123: // if the flag is not set, check if it should be +124: keypresses |= (keys_data[i] && !(keys_data[i] & NOTE_MASK))<<i; +015A 0E00 MOVLW 0x0 +015C 6E3F MOVWF 0x3F, ACCESS +015E 5042 MOVF i, W, ACCESS +0160 0D02 MULLW 0x2 +0162 0E03 MOVLW 0x3 +0164 24F3 ADDWF PROD, W, ACCESS +0166 6ED9 MOVWF FSR2, ACCESS +0168 0E00 MOVLW 0x0 +016A 20F4 ADDWFC PRODH, W, ACCESS +016C 6EDA MOVWF FSR2H, ACCESS +016E 50DE MOVF POSTINC2, W, ACCESS +0170 10DE IORWF POSTINC2, W, ACCESS +0172 B4D8 BTFSC STATUS, 2, ACCESS +0174 D00F BRA 0x194 +0176 5042 MOVF i, W, ACCESS +0178 0D02 MULLW 0x2 +017A 0E03 MOVLW 0x3 +017C 24F3 ADDWF PROD, W, ACCESS +017E 6ED9 MOVWF FSR2, ACCESS +0180 0E00 MOVLW 0x0 +0182 20F4 ADDWFC PRODH, W, ACCESS +0184 6EDA MOVWF FSR2H, ACCESS +0186 52DE MOVF POSTINC2, F, ACCESS +0188 0EFF MOVLW 0xFF +018A 14DD ANDWF POSTDEC2, W, ACCESS +018C A4D8 BTFSS STATUS, 2, ACCESS +018E D002 BRA 0x194 +0190 0E01 MOVLW 0x1 +0192 6E3F MOVWF 0x3F, ACCESS +0194 C042 MOVFF i, __pcstackCOMRAM +0196 F023 NOP +0198 503F MOVF 0x3F, W, ACCESS +019A 6E24 MOVWF 0x24, ACCESS +019C 6A25 CLRF 0x25, ACCESS +019E 2A23 INCF __pcstackCOMRAM, F, ACCESS +01A0 D003 BRA 0x1A8 +01A2 90D8 BCF STATUS, 0, ACCESS +01A4 3624 RLCF 0x24, F, ACCESS +01A6 3625 RLCF 0x25, F, ACCESS +01A8 2E23 DECFSZ __pcstackCOMRAM, F, ACCESS +01AA D7FB BRA 0x1A2 +01AC 5024 MOVF 0x24, W, ACCESS +01AE 1201 IORWF keypresses, F, ACCESS +01B0 5025 MOVF 0x25, W, ACCESS +01B2 1202 IORWF 0x2, F, ACCESS +125: } +126: +127: if (!(keypresses & (1<<(i + 8)))) { +01B4 C042 MOVFF i, __pcstackCOMRAM +01B6 F023 NOP +01B8 0E08 MOVLW 0x8 +01BA 2623 ADDWF __pcstackCOMRAM, F, ACCESS +01BC 0E01 MOVLW 0x1 +01BE 6E24 MOVWF 0x24, ACCESS +01C0 0E00 MOVLW 0x0 +01C2 6E25 MOVWF 0x25, ACCESS +01C4 2A23 INCF __pcstackCOMRAM, F, ACCESS +01C6 D003 BRA 0x1CE +01C8 90D8 BCF STATUS, 0, ACCESS +01CA 3624 RLCF 0x24, F, ACCESS +01CC 3625 RLCF 0x25, F, ACCESS +01CE 2E23 DECFSZ __pcstackCOMRAM, F, ACCESS +01D0 D7FB BRA 0x1C8 +01D2 5001 MOVF keypresses, W, ACCESS +01D4 1624 ANDWF 0x24, F, ACCESS +01D6 5002 MOVF 0x2, W, ACCESS +01D8 1625 ANDWF 0x25, F, ACCESS +01DA 5024 MOVF 0x24, W, ACCESS +01DC 1025 IORWF 0x25, W, ACCESS +01DE A4D8 BTFSS STATUS, 2, ACCESS +01E0 D03F BRA 0x260 +128: keypresses |= (keys_data[i + 8] && !(keys_data[i + 8] & NOTE_MASK))<<(i + 8); +01E2 0E00 MOVLW 0x0 +01E4 6E40 MOVWF 0x40, ACCESS +01E6 5042 MOVF i, W, ACCESS +01E8 6E23 MOVWF __pcstackCOMRAM, ACCESS +01EA 6A24 CLRF 0x24, ACCESS +01EC 90D8 BCF STATUS, 0, ACCESS +01EE 3623 RLCF __pcstackCOMRAM, F, ACCESS +01F0 3624 RLCF 0x24, F, ACCESS +01F2 0E10 MOVLW 0x10 +01F4 2623 ADDWF __pcstackCOMRAM, F, ACCESS +01F6 0E00 MOVLW 0x0 +01F8 2224 ADDWFC 0x24, F, ACCESS +01FA 0E03 MOVLW 0x3 +01FC 2423 ADDWF __pcstackCOMRAM, W, ACCESS +01FE 6ED9 MOVWF FSR2, ACCESS +0200 0E00 MOVLW 0x0 +0202 2024 ADDWFC 0x24, W, ACCESS +0204 6EDA MOVWF FSR2H, ACCESS +0206 50DE MOVF POSTINC2, W, ACCESS +0208 10DE IORWF POSTINC2, W, ACCESS +020A B4D8 BTFSC STATUS, 2, ACCESS +020C D017 BRA 0x23C +020E 5042 MOVF i, W, ACCESS +0210 6E23 MOVWF __pcstackCOMRAM, ACCESS +0212 6A24 CLRF 0x24, ACCESS +0214 90D8 BCF STATUS, 0, ACCESS +0216 3623 RLCF __pcstackCOMRAM, F, ACCESS +0218 3624 RLCF 0x24, F, ACCESS +021A 0E10 MOVLW 0x10 +021C 2623 ADDWF __pcstackCOMRAM, F, ACCESS +021E 0E00 MOVLW 0x0 +0220 2224 ADDWFC 0x24, F, ACCESS +0222 0E03 MOVLW 0x3 +0224 2423 ADDWF __pcstackCOMRAM, W, ACCESS +0226 6ED9 MOVWF FSR2, ACCESS +0228 0E00 MOVLW 0x0 +022A 2024 ADDWFC 0x24, W, ACCESS +022C 6EDA MOVWF FSR2H, ACCESS +022E 52DE MOVF POSTINC2, F, ACCESS +0230 0EFF MOVLW 0xFF +0232 14DD ANDWF POSTDEC2, W, ACCESS +0234 A4D8 BTFSS STATUS, 2, ACCESS +0236 D002 BRA 0x23C +0238 0E01 MOVLW 0x1 +023A 6E40 MOVWF 0x40, ACCESS +023C C042 MOVFF i, __pcstackCOMRAM +023E F023 NOP +0240 0E08 MOVLW 0x8 +0242 2623 ADDWF __pcstackCOMRAM, F, ACCESS +0244 5040 MOVF 0x40, W, ACCESS +0246 6E24 MOVWF 0x24, ACCESS +0248 6A25 CLRF 0x25, ACCESS +024A 2A23 INCF __pcstackCOMRAM, F, ACCESS +024C D003 BRA 0x254 +024E 90D8 BCF STATUS, 0, ACCESS +0250 3624 RLCF 0x24, F, ACCESS +0252 3625 RLCF 0x25, F, ACCESS +0254 2E23 DECFSZ __pcstackCOMRAM, F, ACCESS +0256 D7FB BRA 0x24E +0258 5024 MOVF 0x24, W, ACCESS +025A 1201 IORWF keypresses, F, ACCESS +025C 5025 MOVF 0x25, W, ACCESS +025E 1202 IORWF 0x2, F, ACCESS +129: } +130: } while (i--); +0260 0642 DECF i, F, ACCESS +0262 2842 INCF i, W, ACCESS +0264 A4D8 BTFSS STATUS, 2, ACCESS +0266 D6FE BRA 0x64 +131: +132: +133: // debug stuff +134: PORTDbits.RD4 = PORTAbits.RA0; +0268 A080 BTFSS PORTA, 0, ACCESS +026A D002 BRA 0x270 +026C 8883 BSF PORTD, 4, ACCESS +026E D001 BRA 0x272 +0270 9883 BCF PORTD, 4, ACCESS +135: PORTDbits.RD2 = (keys_data[0] && !(keys_data[0] & NOTE_MASK)); +0272 0E00 MOVLW 0x0 +0274 6E41 MOVWF 0x41, ACCESS +0276 5003 MOVF keys_data, W, ACCESS +0278 1004 IORWF 0x4, W, ACCESS +027A B4D8 BTFSC STATUS, 2, ACCESS +027C D006 BRA 0x28A +027E 0EFF MOVLW 0xFF +0280 1404 ANDWF 0x4, W, ACCESS +0282 A4D8 BTFSS STATUS, 2, ACCESS +0284 D002 BRA 0x28A +0286 0E01 MOVLW 0x1 +0288 6E41 MOVWF 0x41, ACCESS +028A B041 BTFSC 0x41, 0, ACCESS +028C D002 BRA 0x292 +028E 9483 BCF PORTD, 2, ACCESS +0290 D001 BRA 0x294 +0292 8483 BSF PORTD, 2, ACCESS +136: +137: // reset interrupt flag +138: PIR1bits.TMR2IF = 0; +0294 929E BCF PIR1, 1, ACCESS +139: } +140: +141: PORTDbits.RD3 = 1; +0296 8683 BSF PORTD, 3, ACCESS +142: } +0298 C03C MOVFF 0x3C, 0x48 +029A F048 NOP +029C C03B MOVFF 0x3B, 0x47 +029E F047 NOP +02A0 C03A MOVFF 0x3A, 0x46 +02A2 F046 NOP +02A4 C039 MOVFF 0x39, btemp +02A6 F045 NOP +02A8 C038 MOVFF 0x38, TABLAT +02AA FFF5 NOP +02AC C037 MOVFF 0x37, TBLPTRU +02AE FFF8 NOP +02B0 C036 MOVFF 0x36, TBLPTRH +02B2 FFF7 NOP +02B4 C035 MOVFF 0x35, TBLPTR +02B6 FFF6 NOP +02B8 C034 MOVFF 0x34, PRODH +02BA FFF4 NOP +02BC C033 MOVFF 0x33, PROD +02BE FFF3 NOP +02C0 C032 MOVFF 0x32, FSR2H +02C2 FFDA NOP +02C4 C031 MOVFF 0x31, FSR2 +02C6 FFD9 NOP +02C8 C030 MOVFF 0x30, FSR1H +02CA FFE2 NOP +02CC C02F MOVFF 0x2F, FSR1 +02CE FFE1 NOP +02D0 C02E MOVFF 0x2E, FSR0H +02D2 FFEA NOP +02D4 C02D MOVFF 0x2D, FSR0 +02D6 FFE9 NOP +02D8 C02C MOVFF 0x2C, PCLATU +02DA FFFB NOP +02DC C02B MOVFF 0x2B, PCLATH +02DE FFFA NOP +02E0 9245 BCF btemp, 1, ACCESS +02E2 0011 RETFIE 1 +143: +144: /* hardware configuration (inlined) */ +145: inline void init_hw(void) +146: { +147: di(); +048A 9EF2 BCF INTCON, 7, ACCESS +148: +149: /* PLL / FOSC configuration */ +150: // enable PLL +151: OSCTUNEbits.PLLEN = 1; +048C 8C9B BSF OSCTUNE, 6, ACCESS +152: // set FOSC to HFINTOSC (max frequency) +153: OSCTUNEbits.TUN = 0b011111; +048E 809B BSF OSCTUNE, 0, ACCESS +0490 829B BSF OSCTUNE, 1, ACCESS +0492 849B BSF OSCTUNE, 2, ACCESS +0494 869B BSF OSCTUNE, 3, ACCESS +0496 889B BSF OSCTUNE, 4, ACCESS +0498 9A9B BCF OSCTUNE, 5, ACCESS +154: // set 16 MHz oscillator, datasheet p.30 +155: OSCCONbits.IRCF = 0b111; +049A 88D3 BSF OSCCON, 4, ACCESS +049C 8AD3 BSF OSCCON, 5, ACCESS +049E 8CD3 BSF OSCCON, 6, ACCESS +156: // select primary clock (with PLL) +157: OSCCONbits.SCS = 0b00; +04A0 0EFC MOVLW 0xFC +04A2 16D3 ANDWF OSCCON, F, ACCESS +158: +159: /* i/o initializazion */ +160: // disable all ADCs +161: ANSELA = 0x00; +04A4 0E00 MOVLW 0x0 +04A6 010F MOVLB 0xF +04A8 6F38 MOVWF 0x38, BANKED +162: ANSELB = 0x00; +04AA 0E00 MOVLW 0x0 +04AC 6F39 MOVWF 0x39, BANKED +163: ANSELC = 0x00; +04AE 0E00 MOVLW 0x0 +04B0 6F3A MOVWF 0x3A, BANKED +164: ANSELD = 0x00; +04B2 0E00 MOVLW 0x0 +04B4 6F3B MOVWF 0x3B, BANKED +165: +166: // TODO: remove demo +167: TRISA = 0xFF; +04B6 6892 SETF TRISA, ACCESS +168: TRISB = 0xFF; +04B8 6893 SETF TRISB, ACCESS 169: -170: // LED -171: PORTDbits.RD1 = 1; -02E0 8283 BSF PORTD, 1, ACCESS -172: // TEST OUTPUT 1 -173: PORTDbits.RD2 = 0; -02E2 9483 BCF PORTD, 2, ACCESS -174: // TEST OUTPUT 2 -175: PORTDbits.RD3 = 1; -02E4 8683 BSF PORTD, 3, ACCESS -176: // TEST OUTPUT 3 -177: PORTDbits.RD4 = 0; -02E6 9883 BCF PORTD, 4, ACCESS -178: -179: /* timer configuration */ -180: // timer 2 comp value -181: PR2 = 128; -02E8 0E80 MOVLW 0x80 -02EA 6EBB MOVWF PR2, ACCESS -182: // postscaler 1:4 -183: T2CONbits.T2OUTPS = 0b0011; -02EC 50BA MOVF T2CON, W, ACCESS -02EE 0B87 ANDLW 0x87 -02F0 0918 IORLW 0x18 -02F2 6EBA MOVWF T2CON, ACCESS -184: // prescaler 1:16 -185: T2CONbits.T2CKPS = 0b11; -02F4 0E03 MOVLW 0x3 -02F6 12BA IORWF T2CON, F, ACCESS -186: // start timer -187: T2CONbits.TMR2ON = 1; -02F8 84BA BSF T2CON, 2, ACCESS -188: -189: // timer 2 interrupts -190: PIE1bits.TMR2IE = 1; -02FA 829D BSF PIE1, 1, ACCESS -191: PIR1bits.TMR2IF = 0; -02FC 929E BCF PIR1, 1, ACCESS -192: -193: // enable peripheral interrupts -194: INTCONbits.PEIE = 1; -02FE 8CF2 BSF INTCON, 6, ACCESS -195: -196: /* serial configuration */ -197: eusart1_init(); -0300 ECFE CALL 0x3FC, 0 -0302 F001 NOP -198: -199: ei(); -0304 8EF2 BSF INTCON, 7, ACCESS -200: } -0306 0012 RETURN 0 -201: -202: -203: /* main program */ -204: void main(void) -205: { -206: unsigned char i, data; -207: midi_message_t sample_message; -208: -209: /* setup hardware */ -210: init_hw(); -0308 EC54 CALL 0x2A8, 0 -030A F001 NOP -211: -212: /* setup software */ -213: memset(keypresses, 0, sizeof(keypresses)); -030C 0E25 MOVLW 0x25 -030E 6E1A MOVWF p1, ACCESS -0310 0E00 MOVLW 0x0 -0312 6E1B MOVWF pkt, ACCESS +170: TRISDbits.TRISD1 = 0; +04BA 9295 BCF TRISD, 1, ACCESS +171: TRISDbits.TRISD2 = 0; +04BC 9495 BCF TRISD, 2, ACCESS +172: TRISDbits.TRISD3 = 0; +04BE 9695 BCF TRISD, 3, ACCESS +173: TRISDbits.TRISD4 = 0; +04C0 9895 BCF TRISD, 4, ACCESS +174: +175: // LED +176: PORTDbits.RD1 = 1; +04C2 8283 BSF PORTD, 1, ACCESS +177: // TEST OUTPUT 1 +178: PORTDbits.RD2 = 0; +04C4 9483 BCF PORTD, 2, ACCESS +179: // TEST OUTPUT 2 +180: PORTDbits.RD3 = 1; +04C6 8683 BSF PORTD, 3, ACCESS +181: // TEST OUTPUT 3 +182: PORTDbits.RD4 = 0; +04C8 9883 BCF PORTD, 4, ACCESS +183: +184: /* timer configuration */ +185: // timer 2 comp value +186: PR2 = 128; +04CA 0E80 MOVLW 0x80 +04CC 6EBB MOVWF PR2, ACCESS +187: // postscaler 1:4 +188: T2CONbits.T2OUTPS = 0b0011; +04CE 50BA MOVF T2CON, W, ACCESS +04D0 0B87 ANDLW 0x87 +04D2 0918 IORLW 0x18 +04D4 6EBA MOVWF T2CON, ACCESS +189: // prescaler 1:16 +190: T2CONbits.T2CKPS = 0b11; +04D6 0E03 MOVLW 0x3 +04D8 12BA IORWF T2CON, F, ACCESS +191: // start timer +192: T2CONbits.TMR2ON = 1; +04DA 84BA BSF T2CON, 2, ACCESS +193: +194: // timer 2 interrupts +195: PIE1bits.TMR2IE = 1; +04DC 829D BSF PIE1, 1, ACCESS +196: PIR1bits.TMR2IF = 0; +04DE 929E BCF PIR1, 1, ACCESS +197: +198: // enable peripheral interrupts +199: INTCONbits.PEIE = 1; +04E0 8CF2 BSF INTCON, 6, ACCESS +200: +201: /* serial configuration */ +202: eusart1_init(); +04E2 ECCC CALL 0x598, 0 +04E4 F002 NOP +203: } +04E6 0012 RETURN 0 +204: +205: +206: /* main program */ +207: void main(void) +208: { +209: uint8_t i; +210: midi_message_t message; +211: +212: /* setup hardware */ +213: init_hw(); +02E8 EC45 CALL 0x48A, 0 +02EA F002 NOP +214: +215: /* setup software */ +216: memset(keys_data, 0, sizeof(keys_data)); +02EC 0E03 MOVLW 0x3 +02EE 0100 MOVLB 0x0 +02F0 6F60 MOVWF __pcstackBANK0, BANKED +02F2 0E00 MOVLW 0x0 +02F4 6F61 MOVWF pkt, BANKED +02F6 0E00 MOVLW 0x0 +02F8 6F63 MOVWF 0x63, BANKED +02FA 0E00 MOVLW 0x0 +02FC 6F62 MOVWF c, BANKED +02FE 0E00 MOVLW 0x0 +0300 6F65 MOVWF pkt, BANKED +0302 0E20 MOVLW 0x20 +0304 6F64 MOVWF n, BANKED +0306 EC8D CALL 0x51A, 0 +0308 F002 NOP +217: +218: ei(); +030A 8EF2 BSF INTCON, 7, ACCESS +219: +220: /* TODO remove demo code */ +221: PORTDbits.RD1 = 0; +030C 9283 BCF PORTD, 1, ACCESS +222: +223: midi_note_on(&message, MIDI_CHANNEL, MIDI_SCALE_START, 0x7F); +030E 0E71 MOVLW 0x71 +0310 0100 MOVLB 0x0 +0312 6F65 MOVWF pkt, BANKED 0314 0E00 MOVLW 0x0 -0316 6E1D MOVWF 0x1D, ACCESS +0316 6F66 MOVWF p, BANKED 0318 0E00 MOVLW 0x0 -031A 6E1C MOVWF c, ACCESS +031A 6F68 MOVWF 0x68, BANKED 031C 0E00 MOVLW 0x0 -031E 6E1F MOVWF pkt, ACCESS -0320 0E1E MOVLW 0x1E -0322 6E1E MOVWF n, ACCESS -0324 ECC3 CALL 0x386, 0 -0326 F001 NOP -214: -215: /* TODO remove demo code */ -216: midi_note_on(&sample_message, 0x0, 0x3C, 0x7F); -0328 0E62 MOVLW 0x62 -032A 6E1F MOVWF pkt, ACCESS +031E 6F67 MOVWF channel, BANKED +0320 0E3C MOVLW 0x3C +0322 6F69 MOVWF note, BANKED +0324 0E7F MOVLW 0x7F +0326 6F6A MOVWF velocity, BANKED +0328 EC12 CALL 0x424, 0 +032A F002 NOP +224: +225: /* main loop */ +226: while (1) { +227: // check flags +228: for (i = 0; i < NOTES; i++) { 032C 0E00 MOVLW 0x0 -032E 6E20 MOVWF p, ACCESS -0330 0E00 MOVLW 0x0 -0332 6E22 MOVWF 0x22, ACCESS -0334 0E00 MOVLW 0x0 -0336 6E21 MOVWF channel, ACCESS -0338 0E3C MOVLW 0x3C -033A 6E23 MOVWF note, ACCESS -033C 0E7F MOVLW 0x7F -033E 6E24 MOVWF velocity, ACCESS -0340 ECDE CALL 0x1BC, 0 -0342 F000 NOP -217: PORTDbits.RD1 = 0; -0344 9283 BCF PORTD, 1, ACCESS -218: -219: /* main loop */ -220: while (1) { -0352 D7F9 BRA 0x346 -221: eusart_write_midi(&sample_message); -0346 0E62 MOVLW 0x62 -0348 6E1B MOVWF pkt, ACCESS -034A 0E00 MOVLW 0x0 -034C 6E1C MOVWF c, ACCESS -034E EC1A CALL 0x234, 0 -0350 F001 NOP -0352 D7F9 BRA 0x346 -222: } -223: } -224: -225: -226: int eusart_write_midi(const midi_message_t *pkt) -227: { -228: size_t length; -229: uint8_t *data; -230: -231: if (pkt == NULL) { -0234 501B MOVF pkt, W, ACCESS -0236 101C IORWF c, W, ACCESS -0238 B4D8 BTFSC STATUS, 2, ACCESS -023A 0012 RETURN 0 -232: return -1; -233: } -234: -235: length = pkt->data_size; -023C EE20 LFSR 2, 0x1 -023E F001 NOP -0240 501B MOVF pkt, W, ACCESS -0242 26D9 ADDWF FSR2, F, ACCESS -0244 501C MOVF c, W, ACCESS -0246 22DA ADDWFC FSR2H, F, ACCESS -0248 CFDE MOVFF POSTINC2, pkt -024A F01F NOP -024C CFDD MOVFF POSTDEC2, p -024E F020 NOP -236: data = (uint8_t *) pkt->data; -0250 0E03 MOVLW 0x3 -0252 241B ADDWF pkt, W, ACCESS -0254 6E21 MOVWF channel, ACCESS -0256 0E00 MOVLW 0x0 -0258 201C ADDWFC c, W, ACCESS -025A 6E22 MOVWF 0x22, ACCESS -237: -238: putch((char)((pkt->status << 4) | pkt->channel)); -025C C01B MOVFF pkt, FSR2 -025E FFD9 NOP -0260 C01C MOVFF c, FSR2H -0262 FFDA NOP -0264 38DF SWAPF INDF2, W, ACCESS -0266 0B0F ANDLW 0xF -0268 6E1D MOVWF 0x1D, ACCESS -026A C01B MOVFF pkt, FSR2 -026C FFD9 NOP -026E C01C MOVFF c, FSR2H -0270 FFDA NOP -0272 50DF MOVF INDF2, W, ACCESS -0274 0B0F ANDLW 0xF -0276 6E1E MOVWF n, ACCESS -0278 381E SWAPF n, W, ACCESS -027A 0BF0 ANDLW 0xF0 -027C 101D IORWF 0x1D, W, ACCESS -027E EC0C CALL 0x418, 0 -0280 F002 NOP -239: -240: while (length--) { -0282 D009 BRA 0x296 -241: putch((char) *(data++)); -0284 C021 MOVFF channel, FSR2 -0286 FFD9 NOP -0288 C022 MOVFF 0x22, FSR2H -028A FFDA NOP -028C 50DF MOVF INDF2, W, ACCESS -028E EC0C CALL 0x418, 0 -0290 F002 NOP -0292 4A21 INFSNZ channel, F, ACCESS -0294 2A22 INCF 0x22, F, ACCESS -242: } -0296 061F DECF pkt, F, ACCESS -0298 A0D8 BTFSS STATUS, 0, ACCESS -029A 0620 DECF p, F, ACCESS -029C 281F INCF pkt, W, ACCESS -029E E1F2 BNZ 0x284 -02A0 2820 INCF p, W, ACCESS -02A2 B4D8 BTFSC STATUS, 2, ACCESS -02A4 0012 RETURN 0 -02A6 D7EE BRA 0x284 -243: -244: return 0; -245: } +032E 0100 MOVLB 0x0 +0330 6F70 MOVWF i, BANKED +0332 0E0F MOVLW 0xF +0334 6570 CPFSGT i, BANKED +0336 D001 BRA 0x33A +0338 D7F9 BRA 0x32C +229: if (keypresses & (1<<i)) { +033A C070 MOVFF i, 0x6B +033C F06B NOP +033E 0E01 MOVLW 0x1 +0340 6F6C MOVWF 0x6C, BANKED +0342 0E00 MOVLW 0x0 +0344 6F6D MOVWF 0x6D, BANKED +0346 2B6B INCF 0x6B, F, BANKED +0348 D003 BRA 0x350 +034A 90D8 BCF STATUS, 0, ACCESS +034C 376C RLCF 0x6C, F, BANKED +034E 376D RLCF 0x6D, F, BANKED +0350 2F6B DECFSZ 0x6B, F, BANKED +0352 D7FB BRA 0x34A +0354 5001 MOVF keypresses, W, ACCESS +0356 0100 MOVLB 0x0 +0358 176C ANDWF 0x6C, F, BANKED +035A 5002 MOVF 0x2, W, ACCESS +035C 176D ANDWF 0x6D, F, BANKED +035E 516C MOVF 0x6C, W, BANKED +0360 116D IORWF 0x6D, W, BANKED +0362 B4D8 BTFSC STATUS, 2, ACCESS +0364 D020 BRA 0x3A6 +230: +231: message.data[0] = MIDI_SCALE_START + i; +0366 5170 MOVF i, W, BANKED +0368 0F3C ADDLW 0x3C +036A 6F74 MOVWF 0x74, BANKED +232: // midi_note_on(&message, MIDI_CHANNEL, MIDI_SCALE_START + i, 0x7F); +233: +234: eusart_write_midi(&message); +036C 0E71 MOVLW 0x71 +036E 6F61 MOVWF pkt, BANKED +0370 0E00 MOVLW 0x0 +0372 6F62 MOVWF c, BANKED +0374 ECD5 CALL 0x3AA, 0 +0376 F001 NOP +235: +236: // unset flag +237: keypresses &= ~(1<<i); +0378 C070 MOVFF i, 0x6B +037A F06B NOP +037C 0E01 MOVLW 0x1 +037E 0100 MOVLB 0x0 +0380 6F6C MOVWF 0x6C, BANKED +0382 0E00 MOVLW 0x0 +0384 6F6D MOVWF 0x6D, BANKED +0386 2B6B INCF 0x6B, F, BANKED +0388 D003 BRA 0x390 +038A 90D8 BCF STATUS, 0, ACCESS +038C 376C RLCF 0x6C, F, BANKED +038E 376D RLCF 0x6D, F, BANKED +0390 2F6B DECFSZ 0x6B, F, BANKED +0392 D7FB BRA 0x38A +0394 0100 MOVLB 0x0 +0396 1D6C COMF 0x6C, W, BANKED +0398 6F6E MOVWF 0x6E, BANKED +039A 1D6D COMF 0x6D, W, BANKED +039C 6F6F MOVWF 0x6F, BANKED +039E 516E MOVF 0x6E, W, BANKED +03A0 1601 ANDWF keypresses, F, ACCESS +03A2 516F MOVF 0x6F, W, BANKED +03A4 1602 ANDWF 0x2, F, ACCESS +238: } +03A6 2B70 INCF i, F, BANKED +03A8 D7C4 BRA 0x332 +239: } +240: } +241: } +242: +243: +244: int eusart_write_midi(const midi_message_t *pkt) +245: { +246: size_t length; +247: uint8_t *data; +248: +249: if (pkt == NULL) { +03AA 0100 MOVLB 0x0 +03AC 5161 MOVF pkt, W, BANKED +03AE 1162 IORWF c, W, BANKED +03B0 B4D8 BTFSC STATUS, 2, ACCESS +03B2 0012 RETURN 0 +250: return -1; +251: } +252: +253: length = pkt->data_size; +03B4 EE20 LFSR 2, 0x1 +03B6 F001 NOP +03B8 5161 MOVF pkt, W, BANKED +03BA 26D9 ADDWF FSR2, F, ACCESS +03BC 5162 MOVF c, W, BANKED +03BE 22DA ADDWFC FSR2H, F, ACCESS +03C0 CFDE MOVFF POSTINC2, pkt +03C2 F065 NOP +03C4 CFDD MOVFF POSTDEC2, p +03C6 F066 NOP +254: data = (uint8_t *) pkt->data; +03C8 0E03 MOVLW 0x3 +03CA 2561 ADDWF pkt, W, BANKED +03CC 6F67 MOVWF channel, BANKED +03CE 0E00 MOVLW 0x0 +03D0 2162 ADDWFC c, W, BANKED +03D2 6F68 MOVWF 0x68, BANKED +255: +256: putch((char)((pkt->status << 4) | pkt->channel)); +03D4 C061 MOVFF pkt, FSR2 +03D6 FFD9 NOP +03D8 C062 MOVFF c, FSR2H +03DA FFDA NOP +03DC 38DF SWAPF INDF2, W, ACCESS +03DE 0B0F ANDLW 0xF +03E0 6F63 MOVWF 0x63, BANKED +03E2 C061 MOVFF pkt, FSR2 +03E4 FFD9 NOP +03E6 C062 MOVFF c, FSR2H +03E8 FFDA NOP +03EA 50DF MOVF INDF2, W, ACCESS +03EC 0B0F ANDLW 0xF +03EE 6F64 MOVWF n, BANKED +03F0 3964 SWAPF n, W, BANKED +03F2 0BF0 ANDLW 0xF0 +03F4 1163 IORWF 0x63, W, BANKED +03F6 ECDA CALL 0x5B4, 0 +03F8 F002 NOP +257: +258: while (length--) { +03FA D00A BRA 0x410 +259: putch((char) *(data++)); +03FC C067 MOVFF channel, FSR2 +03FE FFD9 NOP +0400 C068 MOVFF 0x68, FSR2H +0402 FFDA NOP +0404 50DF MOVF INDF2, W, ACCESS +0406 ECDA CALL 0x5B4, 0 +0408 F002 NOP +040A 0100 MOVLB 0x0 +040C 4B67 INFSNZ channel, F, BANKED +040E 2B68 INCF 0x68, F, BANKED +260: } +0410 0100 MOVLB 0x0 +0412 0765 DECF pkt, F, BANKED +0414 A0D8 BTFSS STATUS, 0, ACCESS +0416 0766 DECF p, F, BANKED +0418 2965 INCF pkt, W, BANKED +041A E1F0 BNZ 0x3FC +041C 2966 INCF p, W, BANKED +041E B4D8 BTFSC STATUS, 2, ACCESS +0420 0012 RETURN 0 +0422 D7EC BRA 0x3FC +261: +262: return 0; +263: } --- C:/Program Files/Microchip/xc8/v1.44/sources/common/memset.c -------------------------------------- 1: #include <string.h> 2: @@ -902,30 +1128,32 @@ Z:/SAMB_4/projects/xilofono/src/dist/default/production/src.production.elf 16: #endif /* _PIC16 */ 17: 18: p = p1; -0386 C01A MOVFF p1, p -0388 F020 NOP -038A C01B MOVFF pkt, channel -038C F021 NOP +051A C060 MOVFF __pcstackBANK0, p +051C F066 NOP +051E C061 MOVFF pkt, channel +0520 F067 NOP 19: while(n--) -038E D008 BRA 0x3A0 -03A0 061E DECF n, F, ACCESS +0522 D009 BRA 0x536 +0536 0100 MOVLB 0x0 20: *p++ = c; -0390 C020 MOVFF p, FSR2 -0392 FFD9 NOP -0394 C021 MOVFF channel, FSR2H -0396 FFDA NOP -0398 C01C MOVFF c, INDF2 -039A FFDF NOP -039C 4A20 INFSNZ p, F, ACCESS -039E 2A21 INCF channel, F, ACCESS -03A0 061E DECF n, F, ACCESS -03A2 A0D8 BTFSS STATUS, 0, ACCESS -03A4 061F DECF pkt, F, ACCESS -03A6 281E INCF n, W, ACCESS -03A8 E1F3 BNZ 0x390 -03AA 281F INCF pkt, W, ACCESS -03AC B4D8 BTFSC STATUS, 2, ACCESS -03AE 0012 RETURN 0 -03B0 D7EF BRA 0x390 +0524 C066 MOVFF p, FSR2 +0526 FFD9 NOP +0528 C067 MOVFF channel, FSR2H +052A FFDA NOP +052C C062 MOVFF c, INDF2 +052E FFDF NOP +0530 0100 MOVLB 0x0 +0532 4B66 INFSNZ p, F, BANKED +0534 2B67 INCF channel, F, BANKED +0536 0100 MOVLB 0x0 +0538 0764 DECF n, F, BANKED +053A A0D8 BTFSS STATUS, 0, ACCESS +053C 0765 DECF pkt, F, BANKED +053E 2964 INCF n, W, BANKED +0540 E1F1 BNZ 0x524 +0542 2965 INCF pkt, W, BANKED +0544 B4D8 BTFSC STATUS, 2, ACCESS +0546 0012 RETURN 0 +0548 D7ED BRA 0x524 21: return p1; 22: } |