1unit ATtiny261;
2
3{$goto on}
4
5interface
6
7var
8  // PORTA
9  PORTA : byte absolute $00+$3B; // Port A Data Register
10  DDRA : byte absolute $00+$3A; // Port A Data Direction Register
11  PINA : byte absolute $00+$39; // Port A Input Pins
12  // PORTB
13  PORTB : byte absolute $00+$38; // Port B Data Register
14  DDRB : byte absolute $00+$37; // Port B Data Direction Register
15  PINB : byte absolute $00+$36; // Port B Input Pins
16  // AD_CONVERTER
17  ADMUX : byte absolute $00+$27; // The ADC multiplexer Selection Register
18  ADCSRA : byte absolute $00+$26; // The ADC Control and Status register
19  ADC : word absolute $00+$24; // ADC Data Register  Bytes
20  ADCL : byte absolute $00+$24; // ADC Data Register  Bytes
21  ADCH : byte absolute $00+$24+1; // ADC Data Register  Bytes
22  ADCSRB : byte absolute $00+$23; // ADC Control and Status Register B
23  DIDR1 : byte absolute $00+$22; // Digital Input Disable Register 1
24  DIDR0 : byte absolute $00+$21; // Digital Input Disable Register 0
25  // ANALOG_COMPARATOR
26  ACSRB : byte absolute $00+$29; // Analog Comparator Control And Status Register B
27  ACSRA : byte absolute $00+$28; // Analog Comparator Control And Status Register A
28  // USI
29  USIPP : byte absolute $00+$31; // USI Pin Position
30  USIBR : byte absolute $00+$30; // USI Buffer Register
31  USIDR : byte absolute $00+$2F; // USI Data Register
32  USISR : byte absolute $00+$2E; // USI Status Register
33  USICR : byte absolute $00+$2D; // USI Control Register
34  // EEPROM
35  EEAR : word absolute $00+$3E; // EEPROM Address Register  Bytes
36  EEARL : byte absolute $00+$3E; // EEPROM Address Register  Bytes
37  EEARH : byte absolute $00+$3E+1; // EEPROM Address Register  Bytes
38  EEDR : byte absolute $00+$3D; // EEPROM Data Register
39  EECR : byte absolute $00+$3C; // EEPROM Control Register
40  // WATCHDOG
41  WDTCR : byte absolute $00+$41; // Watchdog Timer Control Register
42  // TIMER_COUNTER_0
43  TIMSK : byte absolute $00+$59; // Timer/Counter Interrupt Mask Register
44  TIFR : byte absolute $00+$58; // Timer/Counter0 Interrupt Flag register
45  TCCR0A : byte absolute $00+$35; // Timer/Counter  Control Register A
46  TCCR0B : byte absolute $00+$53; // Timer/Counter Control Register B
47  TCNT0H : byte absolute $00+$34; // Timer/Counter0 High
48  TCNT0L : byte absolute $00+$52; // Timer/Counter0 Low
49  OCR0A : byte absolute $00+$33; // Timer/Counter0 Output Compare Register
50  OCR0B : byte absolute $00+$32; // Timer/Counter0 Output Compare Register
51  // TIMER_COUNTER_1
52  TCCR1A : byte absolute $00+$50; // Timer/Counter Control Register A
53  TCCR1B : byte absolute $00+$4F; // Timer/Counter Control Register B
54  TCCR1C : byte absolute $00+$47; // Timer/Counter Control Register C
55  TCCR1D : byte absolute $00+$46; // Timer/Counter Control Register D
56  TCCR1E : byte absolute $00+$20; // Timer/Counter1 Control Register E
57  TCNT1 : byte absolute $00+$4E; // Timer/Counter Register
58  TC1H : byte absolute $00+$45; // Timer/Counter 1 Register High
59  OCR1A : byte absolute $00+$4D; // Output Compare Register
60  OCR1B : byte absolute $00+$4C; // Output Compare Register
61  OCR1C : byte absolute $00+$4B; // Output compare register
62  OCR1D : byte absolute $00+$4A; // Output compare register
63  DT1 : byte absolute $00+$44; // Timer/Counter 1 Dead Time Value
64  // BOOT_LOAD
65  SPMCSR : byte absolute $00+$57; // Store Program Memory Control Register
66  // EXTERNAL_INTERRUPT
67  MCUCR : byte absolute $00+$55; // MCU Control Register
68  GIMSK : byte absolute $00+$5B; // General Interrupt Mask Register
69  GIFR : byte absolute $00+$5A; // General Interrupt Flag register
70  PCMSK1 : byte absolute $00+$42; // Pin Change Enable Mask 1
71  PCMSK0 : byte absolute $00+$43; // Pin Change Enable Mask 0
72  // CPU
73  SREG : byte absolute $00+$5F; // Status Register
74  PRR : byte absolute $00+$56; // Power Reduction Register
75  SPL : byte absolute $00+$5D; // Stack Pointer Low Byte
76  MCUSR : byte absolute $00+$54; // MCU Status register
77  OSCCAL : byte absolute $00+$51; // Oscillator Calibration Register
78  CLKPR : byte absolute $00+$48; // Clock Prescale Register
79  PLLCSR : byte absolute $00+$49; // PLL Control and status register
80  DWDR : byte absolute $00+$40; // debugWire data register
81  GPIOR2 : byte absolute $00+$2C; // General Purpose IO register 2
82  GPIOR1 : byte absolute $00+$2B; // General Purpose register 1
83  GPIOR0 : byte absolute $00+$2A; // General purpose register 0
84
85const
86  // ADMUX
87  REFS = 6; // Reference Selection Bits
88  ADLAR = 5; // Left Adjust Result
89  MUX = 0; // Analog Channel and Gain Selection Bits
90  // ADCSRA
91  ADEN = 7; // ADC Enable
92  ADSC = 6; // ADC Start Conversion
93  ADATE = 5; // ADC Auto Trigger Enable
94  ADIF = 4; // ADC Interrupt Flag
95  ADIE = 3; // ADC Interrupt Enable
96  ADPS = 0; // ADC Prescaler Select Bits
97  // ADCSRB
98  BIN = 7; // Bipolar Input Mode
99  GSEL = 6; // Gain Select
100  IPR = 5; // Input Polarity Mode
101  REFS2 = 4; //
102  MUX5 = 3; //
103  ADTS = 0; // ADC Auto Trigger Sources
104  // DIDR1
105  ADC10D = 7; // ADC10 Digital input Disable
106  ADC9D = 6; // ADC9 Digital input Disable
107  ADC8D = 5; // ADC8 Digital input Disable
108  ADC7D = 4; // ADC7 Digital input Disable
109  // DIDR0
110  ADC6D = 7; // ADC6 Digital input Disable
111  ADC5D = 6; // ADC5 Digital input Disable
112  ADC4D = 5; // ADC4 Digital input Disable
113  ADC3D = 4; // ADC3 Digital input Disable
114  AREFD = 3; // AREF Digital Input Disable
115  ADC2D = 2; // ADC2 Digital input Disable
116  ADC1D = 1; // ADC1 Digital input Disable
117  ADC0D = 0; // ADC0 Digital input Disable
118  // ACSRB
119  HSEL = 7; // Hysteresis Select
120  HLEV = 6; // Hysteresis Level
121  ACM = 0; // Analog Comparator Multiplexer
122  // ACSRA
123  ACD = 7; // Analog Comparator Disable
124  ACBG = 6; // Analog Comparator Bandgap Select
125  ACO = 5; // Analog Compare Output
126  ACI = 4; // Analog Comparator Interrupt Flag
127  ACIE = 3; // Analog Comparator Interrupt Enable
128  ACME = 2; // Analog Comparator Multiplexer Enable
129  ACIS = 0; // Analog Comparator Interrupt Mode Select bits
130  // USISR
131  USISIF = 7; // Start Condition Interrupt Flag
132  USIOIF = 6; // Counter Overflow Interrupt Flag
133  USIPF = 5; // Stop Condition Flag
134  USIDC = 4; // Data Output Collision
135  USICNT = 0; // USI Counter Value Bits
136  // USICR
137  USISIE = 7; // Start Condition Interrupt Enable
138  USIOIE = 6; // Counter Overflow Interrupt Enable
139  USIWM = 4; // USI Wire Mode Bits
140  USICS = 2; // USI Clock Source Select Bits
141  USICLK = 1; // Clock Strobe
142  USITC = 0; // Toggle Clock Port Pin
143  // EECR
144  EEPM = 4; // EEPROM Programming Mode Bits
145  EERIE = 3; // EEPROM Ready Interrupt Enable
146  EEMPE = 2; // EEPROM Master Write Enable
147  EEPE = 1; // EEPROM Write Enable
148  EERE = 0; // EEPROM Read Enable
149  // WDTCR
150  WDIF = 7; // Watchdog Timeout Interrupt Flag
151  WDIE = 6; // Watchdog Timeout Interrupt Enable
152  WDP = 0; // Watchdog Timer Prescaler Bits
153  WDCE = 4; // Watchdog Change Enable
154  WDE = 3; // Watch Dog Enable
155  // TIMSK
156  OCIE0A = 4; // Timer/Counter0 Output Compare Match A Interrupt Enable
157  OCIE0B = 3; // Timer/Counter0 Output Compare Match B Interrupt Enable
158  TOIE0 = 1; // Timer/Counter0 Overflow Interrupt Enable
159  TICIE0 = 0; // Timer/Counter0 Input Capture Interrupt Enable
160  // TIFR
161  OCF0A = 4; // Timer/Counter0 Output Compare Flag 0A
162  OCF0B = 3; // Timer/Counter0 Output Compare Flag 0B
163  TOV0 = 1; // Timer/Counter0 Overflow Flag
164  ICF0 = 0; // Timer/Counter0 Input Capture Flag
165  // TCCR0A
166  TCW0 = 7; // Timer/Counter 0 Width
167  ICEN0 = 6; // Input Capture Mode Enable
168  ICNC0 = 5; // Input Capture Noice Canceler
169  ICES0 = 4; // Input Capture Edge Select
170  ACIC0 = 3; // Analog Comparator Input Capture Enable
171  WGM00 = 0; // Waveform Generation Mode
172  // TCCR0B
173  TSM = 4; // Timer/Counter Synchronization Mode
174  PSR0 = 3; // Timer/Counter 0 Prescaler Reset
175  CS0 = 0; // Clock Select
176  // TCCR1A
177  COM1A = 6; // Compare Output Mode, Bits
178  COM1B = 4; // Compare Output Mode, Bits
179  FOC1A = 3; // Force Output Compare Match 1A
180  FOC1B = 2; // Force Output Compare Match 1B
181  PWM1A = 1; // Pulse Width Modulator Enable
182  PWM1B = 0; // Pulse Width Modulator Enable
183  // TCCR1B
184  PSR1 = 6; // Timer/Counter 1 Prescaler reset
185  DTPS1 = 4; // Dead Time Prescaler
186  CS1 = 0; // Clock Select Bits
187  // TCCR1C
188  COM1A1S = 7; // COM1A1 Shadow Bit
189  COM1A0S = 6; // COM1A0 Shadow Bit
190  COM1B1S = 5; // COM1B1 Shadow Bit
191  COM1B0S = 4; // COM1B0 Shadow Bit
192  COM1D = 2; // Comparator D output mode
193  FOC1D = 1; // Force Output Compare Match 1D
194  PWM1D = 0; // Pulse Width Modulator D Enable
195  // TCCR1D
196  FPIE1 = 7; // Fault Protection Interrupt Enable
197  FPEN1 = 6; // Fault Protection Mode Enable
198  FPNC1 = 5; // Fault Protection Noise Canceler
199  FPES1 = 4; // Fault Protection Edge Select
200  FPAC1 = 3; // Fault Protection Analog Comparator Enable
201  FPF1 = 2; // Fault Protection Interrupt Flag
202  WGM1 = 0; // Waveform Generation Mode Bit
203  // TCCR1E
204  OC1OE = 0; // Ouput Compare Override Enable Bits
205  // TIMSK
206  OCIE1D = 7; // OCIE1D: Timer/Counter1 Output Compare Interrupt Enable
207  OCIE1A = 6; // OCIE1A: Timer/Counter1 Output Compare Interrupt Enable
208  OCIE1B = 5; // OCIE1A: Timer/Counter1 Output Compare B Interrupt Enable
209  TOIE1 = 2; // Timer/Counter1 Overflow Interrupt Enable
210  // TIFR
211  OCF1D = 7; // Timer/Counter1 Output Compare Flag 1D
212  OCF1A = 6; // Timer/Counter1 Output Compare Flag 1A
213  OCF1B = 5; // Timer/Counter1 Output Compare Flag 1B
214  TOV1 = 2; // Timer/Counter1 Overflow Flag
215  // DT1
216  DT1H = 4; //
217  DT1L = 0; //
218  // SPMCSR
219  CTPB = 4; // Clear temporary page buffer
220  RFLB = 3; // Read fuse and lock bits
221  PGWRT = 2; // Page Write
222  PGERS = 1; // Page Erase
223  SPMEN = 0; // Store Program Memory Enable
224  // MCUCR
225  ISC01 = 1; // Interrupt Sense Control 0 Bit 1
226  ISC00 = 0; // Interrupt Sense Control 0 Bit 0
227  // GIMSK
228  INT = 6; // External Interrupt Request 1 Enable
229  PCIE = 4; // Pin Change Interrupt Enables
230  // GIFR
231  INTF = 6; // External Interrupt Flags
232  PCIF = 5; // Pin Change Interrupt Flag
233  // SREG
234  I = 7; // Global Interrupt Enable
235  T = 6; // Bit Copy Storage
236  H = 5; // Half Carry Flag
237  S = 4; // Sign Bit
238  V = 3; // Two's Complement Overflow Flag
239  N = 2; // Negative Flag
240  Z = 1; // Zero Flag
241  C = 0; // Carry Flag
242  // PRR
243  PRTIM1 = 3; // Power Reduction Timer/Counter1
244  PRTIM0 = 2; // Power Reduction Timer/Counter0
245  PRUSI = 1; // Power Reduction USI
246  PRADC = 0; // Power Reduction ADC
247  // MCUCR
248  PUD = 6; // Pull-up Disable
249  SE = 5; // Sleep Enable
250  SM = 3; // Sleep Mode Select Bits
251  ISC0 = 0; // Interrupt Sense Control 0 bits
252  // MCUSR
253  WDRF = 3; // Watchdog Reset Flag
254  BORF = 2; // Brown-out Reset Flag
255  EXTRF = 1; // External Reset Flag
256  PORF = 0; // Power-On Reset Flag
257  // CLKPR
258  CLKPCE = 7; // Clock Prescaler Change Enable
259  CLKPS = 0; // Clock Prescaler Select Bits
260  // PLLCSR
261  LSM = 7; // Low speed mode
262  PCKE = 2; // PCK Enable
263  PLLE = 1; // PLL Enable
264  PLOCK = 0; // PLL Lock detector
265
266implementation
267
268{$define RELBRANCHES}
269
270{$i avrcommon.inc}
271
272procedure INT0_ISR; external name 'INT0_ISR'; // Interrupt 1 External Interrupt 0
273procedure PCINT_ISR; external name 'PCINT_ISR'; // Interrupt 2 Pin Change Interrupt
274procedure TIMER1_COMPA_ISR; external name 'TIMER1_COMPA_ISR'; // Interrupt 3 Timer/Counter1 Compare Match 1A
275procedure TIMER1_COMPB_ISR; external name 'TIMER1_COMPB_ISR'; // Interrupt 4 Timer/Counter1 Compare Match 1B
276procedure TIMER1_OVF_ISR; external name 'TIMER1_OVF_ISR'; // Interrupt 5 Timer/Counter1 Overflow
277procedure TIMER0_OVF_ISR; external name 'TIMER0_OVF_ISR'; // Interrupt 6 Timer/Counter0 Overflow
278procedure USI_START_ISR; external name 'USI_START_ISR'; // Interrupt 7 USI Start
279procedure USI_OVF_ISR; external name 'USI_OVF_ISR'; // Interrupt 8 USI Overflow
280procedure EE_RDY_ISR; external name 'EE_RDY_ISR'; // Interrupt 9 EEPROM Ready
281procedure ANA_COMP_ISR; external name 'ANA_COMP_ISR'; // Interrupt 10 Analog Comparator
282procedure ADC_ISR; external name 'ADC_ISR'; // Interrupt 11 ADC Conversion Complete
283procedure WDT_ISR; external name 'WDT_ISR'; // Interrupt 12 Watchdog Time-Out
284procedure INT1_ISR; external name 'INT1_ISR'; // Interrupt 13 External Interrupt 1
285procedure TIMER0_COMPA_ISR; external name 'TIMER0_COMPA_ISR'; // Interrupt 14 Timer/Counter0 Compare Match A
286procedure TIMER0_COMPB_ISR; external name 'TIMER0_COMPB_ISR'; // Interrupt 15 Timer/Counter0 Compare Match B
287procedure TIMER0_CAPT_ISR; external name 'TIMER0_CAPT_ISR'; // Interrupt 16 ADC Conversion Complete
288procedure TIMER1_COMPD_ISR; external name 'TIMER1_COMPD_ISR'; // Interrupt 17 Timer/Counter1 Compare Match D
289procedure FAULT_PROTECTION_ISR; external name 'FAULT_PROTECTION_ISR'; // Interrupt 18 Timer/Counter1 Fault Protection
290
291procedure _FPC_start; assembler; nostackframe;
292label
293   _start;
294 asm
295   .init
296   .globl _start
297
298   rjmp _start
299   rjmp INT0_ISR
300   rjmp PCINT_ISR
301   rjmp TIMER1_COMPA_ISR
302   rjmp TIMER1_COMPB_ISR
303   rjmp TIMER1_OVF_ISR
304   rjmp TIMER0_OVF_ISR
305   rjmp USI_START_ISR
306   rjmp USI_OVF_ISR
307   rjmp EE_RDY_ISR
308   rjmp ANA_COMP_ISR
309   rjmp ADC_ISR
310   rjmp WDT_ISR
311   rjmp INT1_ISR
312   rjmp TIMER0_COMPA_ISR
313   rjmp TIMER0_COMPB_ISR
314   rjmp TIMER0_CAPT_ISR
315   rjmp TIMER1_COMPD_ISR
316   rjmp FAULT_PROTECTION_ISR
317
318   {$i start.inc}
319
320   .weak INT0_ISR
321   .weak PCINT_ISR
322   .weak TIMER1_COMPA_ISR
323   .weak TIMER1_COMPB_ISR
324   .weak TIMER1_OVF_ISR
325   .weak TIMER0_OVF_ISR
326   .weak USI_START_ISR
327   .weak USI_OVF_ISR
328   .weak EE_RDY_ISR
329   .weak ANA_COMP_ISR
330   .weak ADC_ISR
331   .weak WDT_ISR
332   .weak INT1_ISR
333   .weak TIMER0_COMPA_ISR
334   .weak TIMER0_COMPB_ISR
335   .weak TIMER0_CAPT_ISR
336   .weak TIMER1_COMPD_ISR
337   .weak FAULT_PROTECTION_ISR
338
339   .set INT0_ISR, Default_IRQ_handler
340   .set PCINT_ISR, Default_IRQ_handler
341   .set TIMER1_COMPA_ISR, Default_IRQ_handler
342   .set TIMER1_COMPB_ISR, Default_IRQ_handler
343   .set TIMER1_OVF_ISR, Default_IRQ_handler
344   .set TIMER0_OVF_ISR, Default_IRQ_handler
345   .set USI_START_ISR, Default_IRQ_handler
346   .set USI_OVF_ISR, Default_IRQ_handler
347   .set EE_RDY_ISR, Default_IRQ_handler
348   .set ANA_COMP_ISR, Default_IRQ_handler
349   .set ADC_ISR, Default_IRQ_handler
350   .set WDT_ISR, Default_IRQ_handler
351   .set INT1_ISR, Default_IRQ_handler
352   .set TIMER0_COMPA_ISR, Default_IRQ_handler
353   .set TIMER0_COMPB_ISR, Default_IRQ_handler
354   .set TIMER0_CAPT_ISR, Default_IRQ_handler
355   .set TIMER1_COMPD_ISR, Default_IRQ_handler
356   .set FAULT_PROTECTION_ISR, Default_IRQ_handler
357 end;
358
359end.
360