Reorganising and adding lab2

1 files changed, 60 insertions, 0 deletions

diff --git a/lab1/RTDSP/vectors.asm b/lab1/RTDSP/vectors.asm
new file mode 100644
index 0000000..1536762
--- /dev/null
+++ b/lab1/RTDSP/vectors.asm
@@ -0,0 +1,60 @@
+;
+;  ======== vectors.asm ========
+;  Plug in the entry point at RESET in the interrupt vector table
+;
+
+;
+;  ======== unused ========
+;  plug inifinite loop -- with nested branches to
+;  disable interrupts -- for all undefined vectors
+;
+unused  .macro id
+
+        .global unused:id:
+unused:id:
+        b unused:id:    ; nested branches to block interrupts
+        nop 4
+        b unused:id:
+        nop
+        nop
+        nop
+        nop
+        nop
+
+        .endm
+
+        .sect ".vectors"
+
+        .ref _c_int00           ; C entry point
+
+        .align  32*8*4          ; must be aligned on 256 word boundary
+
+RESET:                          ; reset vector
+        mvkl _c_int00,b0        ; load destination function address to b0
+        mvkh _c_int00,b0
+        b b0                    ; start branch to destination function
+        mvc PCE1,b0             ; address of interrupt vectors
+        mvc b0,ISTP             ; set table to point here
+        nop 3                   ; fill delay slot
+        nop
+        nop
+
+        ;
+        ;  plug unused interrupts with infinite loops to
+        ;  catch stray interrupts
+        ;
+        unused 1
+        unused 2
+        unused 3
+        unused 4
+        unused 5
+        unused 6
+        unused 7
+        unused 8
+        unused 9
+        unused 10
+        unused 11
+        unused 12
+        unused 13
+        unused 14
+        unused 15