Revert "bootromfun: stuff zum debuggen fuern stefan :/"

[calu.git] / 2_isa / misc.ptex

diff --git a/2_isa/misc.ptex b/2_isa/misc.ptex
index cc3af7e568825a6c8a49939f6fa332da994d58d8..c25791e7adfbaa048b32d4693408251b20561199 100644 (file)
--- a/2_isa/misc.ptex
+++ b/2_isa/misc.ptex
@@ -1,8 +1,15 @@
-ins ('32', 'branch', 'Branch; jump to pc+imm', '4 | 5 | 16 | 3 | 2 | 1 | 1', 'Conditions | OpCode | Immediate | - | Branch/Call/Ret(i) | +/- | S');
+ins ('32', 'jumpop', 'Branch/ret operation', '4 | 5 | 16 | 3 | 2 | 1 | 1',
+'Conditions | OpCode (10110) | Immediate | - | Type | +/- | S',
+'This instruction should be used with it\'s aliases br, call, ret and reti. No flags will be affected by this instructions.','','',
+'br-Branch relative-4/00|call-Branch relative and save pc to stack-4/01|ret-Return to adress on stack-4/10|reti-Return from interrupt to adress on stack-4/11');
 
-#ins ('32', 'call', 'Call; save pc+4 in stack, jump to pc+imm', '4 | 5 | 16 | 5 | 1 | 1', 'Conditions | OpCode | Immediate | - | +/- | S');
+ins ('32', 'branchreg', 'Branch; jump to value of reg', '4 | 5 | 4 | 16 | 1 | 2 ',
+'Conditions | OpCode (10111) | Register A | - | Type | -',
+'This instruction should be used with its aliases \texttt{brr} and \texttt{callr}. No flags will be affected by this instructions. If Type is set to 1, the current value of the programcounter is pushed onto the stack.'
+,'','',
+'brr-Branch to value of reg-4/0|callr-Branch to value of reg and save PC to stack-4/1');
 
-#ins ('32', 'branchreg', 'Branch; branch to value of reg', '4 | 5 | 4 | 17 | 1 | 1', 'Conditions | OpCode | Register Source| - | +/- | S');
+#ins ('32', 'call', 'Call; save pc+4 in stack, jump to pc+imm', '4 | 5 | 16 | 5 | 1 | 1', 'Conditions | OpCode | Immediate | - | +/- | S');
 
 #ins ('32', 'ret(i)', 'return (from interrupt)', '4 | 5 | 1 | 22 ', 'Conditions | OpCode | I |-');
 
@@ -10,6 +17,12 @@ ins ('32', 'branch', 'Branch; jump to pc+imm', '4 | 5 | 16 | 3 | 2 | 1 | 1', 'Co
 
 #ins ('32', 'reti', 'reti', '4 | 5 | 23 ', 'Conditions | OpCode | -');
 
-ins ('32', 'cmp', 'compare (rS1 - rS2)', '4 | 5 | 4 | 4 | 15', 'Conditions | OpCode | Register A (Source1) | Register B (Source2) | -');
+ins ('32', 'cmp', 'compare (rS1 - rS2)', '4 | 5 | 4 | 4 | 15',
+'Conditions | OpCode (11000) | Register A (Source1) | Register B (Source2) | -',
+'This instructions compares the two source registers by subtraction of register B from register A and setting the flags accordingly',
+'is set to the MSB of the result|is set if the subtraction has a carry out|is set if an overflow occurred|is set if the result is zero');
 
-ins ('32', 'cmpi', 'compare (rS1 - imm)', '4 | 5 |  4 | 16 | 3', 'Conditions | OpCode | Register A (Source1) | Immediate | -');
+ins ('32', 'cmpi', 'compare (rS1 - imm)', '4 | 5 |  4 | 16 | 3',
+'Conditions | OpCode (11001) | Register A (Source1) | Immediate | -',
+'This instructions compares the the source register with the immediate be subtracting the immediate from register A and setting the flags accordingly',
+'is set to the MSB of the result|is set if the subtraction has a carry out|is set if an overflow occurred|is set if the result is zero');