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-rw-r--r--test/gputils/project/test.asm60
1 files changed, 60 insertions, 0 deletions
diff --git a/test/gputils/project/test.asm b/test/gputils/project/test.asm
new file mode 100644
index 0000000..e4fcbe8
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+++ b/test/gputils/project/test.asm
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+; list p=16f877
+ #include <p16f871.inc>
+ #include <test.inc>
+
+ __CONFIG _CP_OFF & _WDT_OFF & _BODEN_OFF & _PWRTE_ON & _RC_OSC & _WRT_ENABLE_ON & _LVP_ON & _CPD_OFF
+
+;**********************************************************************
+BANK0 = 0x0
+BANK1 = 0x80
+BANK2 = 0x100
+BANK3 = 0x180
+
+;**********************************************************************
+INT_VAR UDATA_SHR
+w_saved RES 1 ; variable used for context saving
+status_saved RES 1 ; variable used for context saving
+
+TEMP_VAR UDATA_SHR 0x20
+index RES 1
+
+;**********************************************************************
+STARTUP CODE ; processor reset vector
+ nop ; for debugger
+ movlw high start ; load upper byte of 'start' label
+ movwf PCLATH ; initialize PCLATH
+ goto start ; go to beginning of program
+
+;**********************************************************************
+INT_VECTOR CODE 0x0004 ; interrupt vector location
+ movwf w_saved
+ movfw STATUS
+ movwf status_saved
+
+ bcf INTCON,2 ; reset TMR0 interrupt flag
+ bsf PORTB,0
+
+ movfw status_saved
+ movwf STATUS
+ swapf w_saved,f
+ swapf w_saved,w
+ retfie ; return from interrupt
+
+;**********************************************************************
+MAIN CODE
+start
+; initialize microchip
+ clrf TMR0 ^ BANK0
+ clrf INTCON ^ BANK0
+ banksel TRISA ; bank 1
+ movlw B'11010100' ; set prescaler at 32 (32768 Hz / 4 / 256 / 32 = 1 Hz)
+ movwf OPTION_REG ^ BANK1 ; and start TMR0 (internal source clock)
+ movlw B'00000110' ; set PORTA and PORTE to be all digital
+ movwf ADCON1 ^ BANK1
+ banksel INTCON ; back to bank 0
+ bsf INTCON,T0IE ; enable TMR0 interrupt
+ bsf INTCON,GIE ; enable all interrupts
+
+ nop
+
+ END ; directive 'end of program'