1unit ATtiny48;
2
3{$goto on}
4
5interface
6
7var
8  // TIMER_COUNTER_1
9  TIMSK1 : byte absolute $00+$6F; // Timer/Counter Interrupt Mask Register
10  TIFR1 : byte absolute $00+$36; // Timer/Counter Interrupt Flag register
11  TCCR1A : byte absolute $00+$80; // Timer/Counter1 Control Register A
12  TCCR1B : byte absolute $00+$81; // Timer/Counter1 Control Register B
13  TCCR1C : byte absolute $00+$82; // Timer/Counter1 Control Register C
14  TCNT1 : word absolute $00+$84; // Timer/Counter1  Bytes
15  TCNT1L : byte absolute $00+$84; // Timer/Counter1  Bytes
16  TCNT1H : byte absolute $00+$84+1; // Timer/Counter1  Bytes
17  OCR1A : word absolute $00+$88; // Timer/Counter1 Output Compare Register  Bytes
18  OCR1AL : byte absolute $00+$88; // Timer/Counter1 Output Compare Register  Bytes
19  OCR1AH : byte absolute $00+$88+1; // Timer/Counter1 Output Compare Register  Bytes
20  OCR1B : word absolute $00+$8A; // Timer/Counter1 Output Compare Register  Bytes
21  OCR1BL : byte absolute $00+$8A; // Timer/Counter1 Output Compare Register  Bytes
22  OCR1BH : byte absolute $00+$8A+1; // Timer/Counter1 Output Compare Register  Bytes
23  ICR1 : word absolute $00+$86; // Timer/Counter1 Input Capture Register  Bytes
24  ICR1L : byte absolute $00+$86; // Timer/Counter1 Input Capture Register  Bytes
25  ICR1H : byte absolute $00+$86+1; // Timer/Counter1 Input Capture Register  Bytes
26  GTCCR : byte absolute $00+$43; // General Timer/Counter Control Register
27  // ANALOG_COMPARATOR
28  ACSR : byte absolute $00+$50; // Analog Comparator Control And Status Register
29  DIDR1 : byte absolute $00+$7F; // Digital Input Disable Register 1
30  // PORTB
31  PORTB : byte absolute $00+$25; // Port B Data Register
32  DDRB : byte absolute $00+$24; // Port B Data Direction Register
33  PINB : byte absolute $00+$23; // Port B Input Pins
34  // PORTD
35  PORTD : byte absolute $00+$2B; // Port D Data Register
36  DDRD : byte absolute $00+$2A; // Port D Data Direction Register
37  PIND : byte absolute $00+$29; // Port D Input Pins
38  // SPI
39  SPDR : byte absolute $00+$4E; // SPI Data Register
40  SPSR : byte absolute $00+$4D; // SPI Status Register
41  SPCR : byte absolute $00+$4C; // SPI Control Register
42  // WATCHDOG
43  WDTCSR : byte absolute $00+$60; // Watchdog Timer Control Register
44  // CPU
45  PRR : byte absolute $00+$64; // Power Reduction Register
46  OSCCAL : byte absolute $00+$66; // Oscillator Calibration Value
47  CLKPR : byte absolute $00+$61; // Clock Prescale Register
48  SREG : byte absolute $00+$5F; // Status Register
49  SPL : byte absolute $00+$5D; // Stack Pointe Low
50  SPH : byte absolute $00+$5E; // Stack Pointe High
51  SPMCSR : byte absolute $00+$57; // Store Program Memory Control Register
52  MCUCR : byte absolute $00+$55; // MCU Control Register
53  MCUSR : byte absolute $00+$54; // MCU Status Register
54  SMCR : byte absolute $00+$53; //
55  GPIOR2 : byte absolute $00+$4B; // General Purpose I/O Register 2
56  GPIOR1 : byte absolute $00+$4A; // General Purpose I/O Register 1
57  GPIOR0 : byte absolute $00+$3E; // General Purpose I/O Register 0
58  PORTCR : byte absolute $00+$32; // Port Configuration Register
59  // TWI
60  TWHSR : byte absolute $00+$BE; // TWHSR
61  TWAMR : byte absolute $00+$BD; // TWI (Slave) Address Mask Register
62  TWBR : byte absolute $00+$B8; // TWI Bit Rate register
63  TWCR : byte absolute $00+$BC; // TWI Control Register
64  TWSR : byte absolute $00+$B9; // TWI Status Register
65  TWDR : byte absolute $00+$BB; // TWI Data register
66  TWAR : byte absolute $00+$BA; // TWI (Slave) Address register
67  // AD_CONVERTER
68  ADMUX : byte absolute $00+$7C; // The ADC multiplexer Selection Register
69  ADC : word absolute $00+$78; // ADC Data Register  Bytes
70  ADCL : byte absolute $00+$78; // ADC Data Register  Bytes
71  ADCH : byte absolute $00+$78+1; // ADC Data Register  Bytes
72  ADCSRA : byte absolute $00+$7A; // The ADC Control and Status register A
73  ADCSRB : byte absolute $00+$7B; // The ADC Control and Status register B
74  DIDR0 : byte absolute $00+$7E; // Digital Input Disable Register 0
75  // EXTERNAL_INTERRUPT
76  EICRA : byte absolute $00+$69; // External Interrupt Control Register
77  EIMSK : byte absolute $00+$3D; // External Interrupt Mask Register
78  EIFR : byte absolute $00+$3C; // External Interrupt Flag Register
79  PCICR : byte absolute $00+$68; //
80  PCMSK3 : byte absolute $00+$6A; // Pin Change Mask Register 3
81  PCMSK2 : byte absolute $00+$6D; // Pin Change Mask Register 2
82  PCMSK1 : byte absolute $00+$6C; // Pin Change Mask Register 1
83  PCMSK0 : byte absolute $00+$6B; // Pin Change Mask Register 0
84  PCIFR : byte absolute $00+$3B; // Pin Change Interrupt Flag Register
85  // PORTC
86  PORTC : byte absolute $00+$28; // Port C Data Register
87  DDRC : byte absolute $00+$27; // Port C Data Direction Register
88  PINC : byte absolute $00+$26; // Port C Input Pins
89  // PORTA
90  PORTA : byte absolute $00+$2E; // Port A Data Register
91  DDRA : byte absolute $00+$2D; // Port A Data Direction Register
92  PINA : byte absolute $00+$2C; // Port A Input Pins
93  // TIMER_COUNTER_0
94  OCR0B : byte absolute $00+$48; // Timer/Counter0 Output Compare Register
95  OCR0A : byte absolute $00+$47; // Timer/Counter0 Output Compare Register
96  TCNT0 : byte absolute $00+$46; // Timer/Counter0
97  TCCR0A : byte absolute $00+$45; // Timer/Counter  Control Register A
98  TIMSK0 : byte absolute $00+$6E; // Timer/Counter0 Interrupt Mask Register
99  TIFR0 : byte absolute $00+$35; // Timer/Counter0 Interrupt Flag register
100  // EEPROM
101  EEARL : byte absolute $00+$41; // EEPROM Address Register Low Byte
102  EEDR : byte absolute $00+$40; // EEPROM Data Register
103  EECR : byte absolute $00+$3F; // EEPROM Control Register
104
105const
106  // TIMSK1
107  ICIE1 = 5; // Timer/Counter1 Input Capture Interrupt Enable
108  OCIE1B = 2; // Timer/Counter1 Output CompareB Match Interrupt Enable
109  OCIE1A = 1; // Timer/Counter1 Output CompareA Match Interrupt Enable
110  TOIE1 = 0; // Timer/Counter1 Overflow Interrupt Enable
111  // TIFR1
112  ICF1 = 5; // Input Capture Flag 1
113  OCF1B = 2; // Output Compare Flag 1B
114  OCF1A = 1; // Output Compare Flag 1A
115  TOV1 = 0; // Timer/Counter1 Overflow Flag
116  // TCCR1A
117  COM1A = 6; // Compare Output Mode 1A, bits
118  COM1B = 4; // Compare Output Mode 1B, bits
119  WGM1 = 0; // Waveform Generation Mode
120  // TCCR1B
121  ICNC1 = 7; // Input Capture 1 Noise Canceler
122  ICES1 = 6; // Input Capture 1 Edge Select
123  CS1 = 0; // Prescaler source of Timer/Counter 1
124  // TCCR1C
125  FOC1A = 7; //
126  FOC1B = 6; //
127  // GTCCR
128  TSM = 7; // Timer/Counter Synchronization Mode
129  PSRSYNC = 0; // Prescaler Reset Timer/Counter1 and Timer/Counter0
130  // ACSR
131  ACD = 7; // Analog Comparator Disable
132  ACBG = 6; // Analog Comparator Bandgap Select
133  ACO = 5; // Analog Compare Output
134  ACI = 4; // Analog Comparator Interrupt Flag
135  ACIE = 3; // Analog Comparator Interrupt Enable
136  ACIC = 2; // Analog Comparator Input Capture Enable
137  ACIS = 0; // Analog Comparator Interrupt Mode Select bits
138  // DIDR1
139  AIN1D = 1; // AIN1 Digital Input Disable
140  AIN0D = 0; // AIN0 Digital Input Disable
141  // SPSR
142  SPIF = 7; // SPI Interrupt Flag
143  WCOL = 6; // Write Collision Flag
144  SPI2X = 0; // Double SPI Speed Bit
145  // SPCR
146  SPIE = 7; // SPI Interrupt Enable
147  SPE = 6; // SPI Enable
148  DORD = 5; // Data Order
149  MSTR = 4; // Master/Slave Select
150  CPOL = 3; // Clock polarity
151  CPHA = 2; // Clock Phase
152  SPR = 0; // SPI Clock Rate Selects
153  // WDTCSR
154  WDIF = 7; // Watchdog Timeout Interrupt Flag
155  WDIE = 6; // Watchdog Timeout Interrupt Enable
156  WDP = 0; // Watchdog Timer Prescaler Bits
157  WDCE = 4; // Watchdog Change Enable
158  WDE = 3; // Watch Dog Enable
159  // PRR
160  PRTWI = 7; // Power Reduction TWI
161  PRTIM0 = 5; // Power Reduction Timer/Counter0
162  PRTIM1 = 3; // Power Reduction Timer/Counter1
163  PRSPI = 2; // Power Reduction Serial Peripheral Interface
164  PRADC = 0; // Power Reduction ADC
165  // CLKPR
166  CLKPCE = 7; // Clock Prescaler Change Enable
167  CLKPS = 0; // Clock Prescaler Select Bits
168  // SREG
169  I = 7; // Global Interrupt Enable
170  T = 6; // Bit Copy Storage
171  H = 5; // Half Carry Flag
172  S = 4; // Sign Bit
173  V = 3; // Two's Complement Overflow Flag
174  N = 2; // Negative Flag
175  Z = 1; // Zero Flag
176  C = 0; // Carry Flag
177  // SPMCSR
178  RWWSB = 6; // Read-While-Write Section Busy
179  CTPB = 4; // Clear Temporary Page Buffer
180  RFLB = 3; // Read Fuse and Lock Bits
181  PGWRT = 2; // Page Write
182  PGERS = 1; // Page Erase
183  SELFPRGEN = 0; // Self Programming Enable
184  // MCUCR
185  BODS = 6; // BOD Sleep
186  BODSE = 5; // BOD Sleep Enable
187  PUD = 4; //
188  // MCUSR
189  WDRF = 3; // Watchdog Reset Flag
190  BORF = 2; // Brown-out Reset Flag
191  EXTRF = 1; // External Reset Flag
192  PORF = 0; // Power-on reset flag
193  // SMCR
194  SM = 1; //
195  SE = 0; //
196  // PORTCR
197  BBMD = 7; //
198  BBMC = 6; //
199  BBMB = 5; //
200  BBMA = 4; //
201  PUDD = 3; //
202  PUDC = 2; //
203  PUDB = 1; //
204  PUDA = 0; //
205  // TWHSR
206  TWHS = 0; //
207  // TWAMR
208  TWAM = 1; //
209  // TWCR
210  TWINT = 7; // TWI Interrupt Flag
211  TWEA = 6; // TWI Enable Acknowledge Bit
212  TWSTA = 5; // TWI Start Condition Bit
213  TWSTO = 4; // TWI Stop Condition Bit
214  TWWC = 3; // TWI Write Collition Flag
215  TWEN = 2; // TWI Enable Bit
216  TWIE = 0; // TWI Interrupt Enable
217  // TWSR
218  TWS = 3; // TWI Status
219  TWPS = 0; // TWI Prescaler
220  // TWAR
221  TWA = 1; // TWI (Slave) Address register Bits
222  TWGCE = 0; // TWI General Call Recognition Enable Bit
223  // ADMUX
224  REFS0 = 6; // Reference Selection Bit 0
225  ADLAR = 5; // Left Adjust Result
226  MUX = 0; // Analog Channel and Gain Selection Bits
227  // ADCSRA
228  ADEN = 7; // ADC Enable
229  ADSC = 6; // ADC Start Conversion
230  ADATE = 5; // ADC  Auto Trigger Enable
231  ADIF = 4; // ADC Interrupt Flag
232  ADIE = 3; // ADC Interrupt Enable
233  ADPS = 0; // ADC  Prescaler Select Bits
234  // ADCSRB
235  ACME = 6; //
236  ADTS = 0; // ADC Auto Trigger Source bits
237  // DIDR1
238  // DIDR0
239  ADC7D = 7; //
240  ADC6D = 6; //
241  ADC5D = 5; //
242  ADC4D = 4; //
243  ADC3D = 3; //
244  ADC2D = 2; //
245  ADC1D = 1; //
246  ADC0D = 0; //
247  // EICRA
248  ISC1 = 2; // External Interrupt Sense Control 1 Bits
249  ISC0 = 0; // External Interrupt Sense Control 0 Bits
250  // EIMSK
251  INT = 0; // External Interrupt Request 1 Enable
252  // EIFR
253  INTF = 0; // External Interrupt Flags
254  // PCICR
255  PCIE = 0; //
256  // PCMSK3
257  PCINT = 0; // Pin Change Enable Masks
258  // PCMSK2
259  // PCMSK1
260  // PCMSK0
261  // PCIFR
262  PCIF = 0; // Pin Change Interrupt Flags
263  // TCCR0A
264  CTC0 = 3; // Clear Timer on Compare Match
265  CS0 = 0; // Clock Select
266  // TIMSK0
267  OCIE0B = 2; // Timer/Counter0 Output Compare Match B Interrupt Enable
268  OCIE0A = 1; // Timer/Counter0 Output Compare Match A Interrupt Enable
269  TOIE0 = 0; // Timer/Counter0 Overflow Interrupt Enable
270  // TIFR0
271  OCF0B = 2; // Timer/Counter0 Output Compare Flag 0B
272  OCF0A = 1; // Timer/Counter0 Output Compare Flag 0A
273  TOV0 = 0; // Timer/Counter0 Overflow Flag
274  // GTCCR
275  // EECR
276  EEPM = 4; // EEPROM Programming Mode Bits
277  EERIE = 3; // EEPROM Ready Interrupt Enable
278  EEMPE = 2; // EEPROM Master Write Enable
279  EEPE = 1; // EEPROM Write Enable
280  EERE = 0; // EEPROM Read Enable
281
282implementation
283
284{$define RELBRANCHES}
285
286{$i avrcommon.inc}
287
288procedure INT0_ISR; external name 'INT0_ISR'; // Interrupt 1 External Interrupt Request 0
289procedure INT1_ISR; external name 'INT1_ISR'; // Interrupt 2 External Interrupt Request 1
290procedure PCINT0_ISR; external name 'PCINT0_ISR'; // Interrupt 3 Pin Change Interrupt Request 0
291procedure PCINT1_ISR; external name 'PCINT1_ISR'; // Interrupt 4 Pin Change Interrupt Request 1
292procedure PCINT2_ISR; external name 'PCINT2_ISR'; // Interrupt 5 Pin Change Interrupt Request 2
293procedure PCINT3_ISR; external name 'PCINT3_ISR'; // Interrupt 6 Pin Change Interrupt Request 3
294procedure WDT_ISR; external name 'WDT_ISR'; // Interrupt 7 Watchdog Time-out Interrupt
295procedure TIMER1_CAPT_ISR; external name 'TIMER1_CAPT_ISR'; // Interrupt 8 Timer/Counter1 Capture Event
296procedure TIMER1_COMPA_ISR; external name 'TIMER1_COMPA_ISR'; // Interrupt 9 Timer/Counter1 Compare Match A
297procedure TIMER1_COMPB_ISR; external name 'TIMER1_COMPB_ISR'; // Interrupt 10 Timer/Counter1 Compare Match B
298procedure TIMER1_OVF_ISR; external name 'TIMER1_OVF_ISR'; // Interrupt 11 Timer/Counter1 Overflow
299procedure TIMER0_COMPA_ISR; external name 'TIMER0_COMPA_ISR'; // Interrupt 12 TimerCounter0 Compare Match A
300procedure TIMER0_COMPB_ISR; external name 'TIMER0_COMPB_ISR'; // Interrupt 13 TimerCounter0 Compare Match B
301procedure TIMER0_OVF_ISR; external name 'TIMER0_OVF_ISR'; // Interrupt 14 Timer/Couner0 Overflow
302procedure SPI_STC_ISR; external name 'SPI_STC_ISR'; // Interrupt 15 SPI Serial Transfer Complete
303procedure ADC_ISR; external name 'ADC_ISR'; // Interrupt 16 ADC Conversion Complete
304procedure EE_RDY_ISR; external name 'EE_RDY_ISR'; // Interrupt 17 EEPROM Ready
305procedure ANA_COMP_ISR; external name 'ANA_COMP_ISR'; // Interrupt 18 Analog Comparator
306procedure TWI_ISR; external name 'TWI_ISR'; // Interrupt 19 Two-wire Serial Interface
307
308procedure _FPC_start; assembler; nostackframe;
309label
310   _start;
311 asm
312   .init
313   .globl _start
314
315   rjmp _start
316   rjmp INT0_ISR
317   rjmp INT1_ISR
318   rjmp PCINT0_ISR
319   rjmp PCINT1_ISR
320   rjmp PCINT2_ISR
321   rjmp PCINT3_ISR
322   rjmp WDT_ISR
323   rjmp TIMER1_CAPT_ISR
324   rjmp TIMER1_COMPA_ISR
325   rjmp TIMER1_COMPB_ISR
326   rjmp TIMER1_OVF_ISR
327   rjmp TIMER0_COMPA_ISR
328   rjmp TIMER0_COMPB_ISR
329   rjmp TIMER0_OVF_ISR
330   rjmp SPI_STC_ISR
331   rjmp ADC_ISR
332   rjmp EE_RDY_ISR
333   rjmp ANA_COMP_ISR
334   rjmp TWI_ISR
335
336   {$i start.inc}
337
338   .weak INT0_ISR
339   .weak INT1_ISR
340   .weak PCINT0_ISR
341   .weak PCINT1_ISR
342   .weak PCINT2_ISR
343   .weak PCINT3_ISR
344   .weak WDT_ISR
345   .weak TIMER1_CAPT_ISR
346   .weak TIMER1_COMPA_ISR
347   .weak TIMER1_COMPB_ISR
348   .weak TIMER1_OVF_ISR
349   .weak TIMER0_COMPA_ISR
350   .weak TIMER0_COMPB_ISR
351   .weak TIMER0_OVF_ISR
352   .weak SPI_STC_ISR
353   .weak ADC_ISR
354   .weak EE_RDY_ISR
355   .weak ANA_COMP_ISR
356   .weak TWI_ISR
357
358   .set INT0_ISR, Default_IRQ_handler
359   .set INT1_ISR, Default_IRQ_handler
360   .set PCINT0_ISR, Default_IRQ_handler
361   .set PCINT1_ISR, Default_IRQ_handler
362   .set PCINT2_ISR, Default_IRQ_handler
363   .set PCINT3_ISR, Default_IRQ_handler
364   .set WDT_ISR, Default_IRQ_handler
365   .set TIMER1_CAPT_ISR, Default_IRQ_handler
366   .set TIMER1_COMPA_ISR, Default_IRQ_handler
367   .set TIMER1_COMPB_ISR, Default_IRQ_handler
368   .set TIMER1_OVF_ISR, Default_IRQ_handler
369   .set TIMER0_COMPA_ISR, Default_IRQ_handler
370   .set TIMER0_COMPB_ISR, Default_IRQ_handler
371   .set TIMER0_OVF_ISR, Default_IRQ_handler
372   .set SPI_STC_ISR, Default_IRQ_handler
373   .set ADC_ISR, Default_IRQ_handler
374   .set EE_RDY_ISR, Default_IRQ_handler
375   .set ANA_COMP_ISR, Default_IRQ_handler
376   .set TWI_ISR, Default_IRQ_handler
377 end;
378
379end.
380