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authorMatt Strapp <msattr@gmail.com>2020-02-05 10:37:54 -0600
committerMatt Strapp <msattr@gmail.com>2020-02-05 10:37:54 -0600
commit15a357a03e996cad5f7499e73d7ac52069804576 (patch)
tree24e2c557ed4956755c4c9dcf591f4be8509a7a2d
parentE (diff)
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Do lab 2A
Diffstat (limited to '')
-rw-r--r--Lab 2.X/Lab2A.s142
1 files changed, 68 insertions, 74 deletions
diff --git a/Lab 2.X/Lab2A.s b/Lab 2.X/Lab2A.s
index 4f7e189..fc9f30c 100644
--- a/Lab 2.X/Lab2A.s
+++ b/Lab 2.X/Lab2A.s
@@ -1,74 +1,68 @@
-
-.include "xc.inc" ; required "boiler-plate" (BP)
-
-;the next two lines set up the actual chip for operation - required
-config __CONFIG2, POSCMOD_EC & I2C1SEL_SEC & IOL1WAY_OFF & OSCIOFNC_ON & FCKSM_CSECME & FNOSC_FRCPLL & SOSCSEL_LPSOSC & WUTSEL_FST & IESO_OFF
-config __CONFIG1, WDTPS_PS1 & FWPSA_PR32 & WINDIS_OFF & FWDTEN_OFF & BKBUG_ON & GWRP_ON & GCP_ON & JTAGEN_OFF
-
- .bss ; put the following labels in RAM
-counter:
- .space 2 ; a variable that takes two bytes (we won?t use
- ; it for now, but put here to make this a generic
- ; template to be used later).
-stack:
- .space 32 ; this will be our stack area, needed for func calls
-
-.text ; BP (put the following data in ROM(program memory))
-
-;because we are using the C compiler to assemble our code, we need a "_main" label
-;somewhere. (There's a link step that looks for it.)
-.global _main ;BP
-;your functions go here
-
-_main:
-
- bclr CLKDIV,#8 ;BP
- nop
- ;; --- Begin your main program below here ---
-
-
- mov #0x9fff,w0
- mov w0,AD1PCFG ; Set all pins to digital mode
- mov #0b1111111111111110,w0
- mov w0,TRISA ; set pin RA0 to output
- mov #0x0001,w0
- mov w0,LATA ; set pin RA0 high
- call foreverLoop
-
-wait_24cycles:
- ; 2 cycles for function call
- repeat #17 ; 1 cycle to load and prep
- nop ; 17+1 cycles to execute NOP 18 times
- return ; 3 cycles for the return
-
-wait_32cycles: ; 2
- repeat #24 ; 1
- nop ; 25+1 cycles = 26
- return ; 3
-
-delay_100us:
- repeat #1593
- nop
- return
-
-delay_1ms:
- repeat #15993
- nop
- return
-
-foreverLoop:
-
- call wait_24cycles ; 24 cycles
- clr LATA ; set pin RA0 low = 1 cycle
- call wait_32cycles ; 32 cycles
- inc LATA ; set pin RA0 high = 1 cycle
- bra foreverLoop
-
-; nop
-; nop
-; clr LATA
-; repeat #4
-; nop
-; inc LATA
-; bra foreverLoop
-.end
+
+.include "xc.inc" ; required "boiler-plate" (BP)
+
+;the next two lines set up the actual chip for operation - required
+config __CONFIG2, POSCMOD_EC & I2C1SEL_SEC & IOL1WAY_OFF & OSCIOFNC_ON & FCKSM_CSECME & FNOSC_FRCPLL & SOSCSEL_LPSOSC & WUTSEL_FST & IESO_OFF
+config __CONFIG1, WDTPS_PS1 & FWPSA_PR32 & WINDIS_OFF & FWDTEN_OFF & BKBUG_ON & GWRP_ON & GCP_ON & JTAGEN_OFF
+
+ .bss ; put the following labels in RAM
+counter:
+ .space 2 ; a variable that takes two bytes (we won?t use
+ ; it for now, but put here to make this a generic
+ ; template to be used later).
+stack:
+ .space 32 ; this will be our stack area, needed for func calls
+
+.text ; BP (put the following data in ROM(program memory))
+
+;because we are using the C compiler to assemble our code, we need a "_main" label
+;somewhere. (There's a link step that looks for it.)
+.global _main ;BP
+;your functions go here
+
+_main:
+
+ bclr CLKDIV,#8 ;BP
+ nop
+ ;; --- Begin your main program below here ---
+
+
+ mov #0x9fff,w0
+ mov w0,AD1PCFG ; Set all pins to digital mode
+ mov #0b1111111111111110,w0
+ mov w0,TRISA ; set pin RA0 to output
+ mov #0x0001,w0
+ mov w0,LATA ; set pin RA0 high
+ call foreverLoop
+
+wait_24cycles:
+ ; 2 cycles for function call
+ repeat #17 ; 1 cycle to load and prep
+ nop ; 17+1 cycles to execute NOP 18 times
+ return ; 3 cycles for the return
+
+wait_32cycles: ; 2
+ repeat #24 ; 1
+ nop ; 25+1 cycles = 26
+ return ; 3
+
+delay_100us:
+ repeat #1593
+ nop
+ return
+
+delay_1ms:
+ repeat #15993
+ nop
+ return
+
+foreverLoop:
+
+ call wait_24cycles ; 24 cycles
+ clr LATA ; set pin RA0 low = 1 cycle
+ call wait_32cycles ; 32 cycles
+ inc LATA ; set pin RA0 high = 1 cycle
+ bra foreverLoop
+
+
+.end