jens/vhdl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Initial import

Browse Source 
git-svn-id: http://moon:8086/svn/vhdl/trunk@2 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2008-08-23 07:19:47 +00:00
parent 6badec2df7
commit 335cc4e9d2
138 changed files with 40978 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CPUs/JCpu/asm/reti_issue.jsm
+50
View File
@@ -0,0 +1,50 @@
; -------------------------------------------------
; Constants
; -------------------------------------------------
; Chip register
cpu_revision: equ 0x00 ; RO
cpu_control: equ 0x01 ; R/W
cpu_status: equ 0x02 ; RO
cpu_int_ctrl: equ 0x03 ; R/W
; -------------------------------------------------
; Program
; -------------------------------------------------
code
reset: jmp init
org 0x001
; nop
reti
; -------------------------------------------------
; Main
; -------------------------------------------------
init: mov R0, 0x05
cout (cpu_int_ctrl), R0
mov R0, 0x00
loop: nop
inc R0
nop
call subr
nop
push R3
nop
push R2
nop
push R1
nop
push R0
nop
pop R0
nop
pop R1
nop
pop R2
nop
pop R3
nop
jmp loop
subr: ret