From 7361fb26dc876a2a51e17cf62020c2f7c1a083b2 Mon Sep 17 00:00:00 2001 From: Veit Heller Date: Wed, 17 Sep 2014 18:44:27 +0200 Subject: [PATCH] Made README readable --- vvm/README.md | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/vvm/README.md b/vvm/README.md index 0d8ad67..43c8295 100644 --- a/vvm/README.md +++ b/vvm/README.md @@ -14,43 +14,70 @@ I\* prefix). * IADD - Adds the two items to each other that are on top of the stack and stores the result on top of the stack. + * ISUB - Subtracts the two items from each other that are on top of the stack and stores the result on top of the stack. + * IMULT - Multiplies the two items to each other that are on top of the stack and stores the result on top of the stack. + * IDIV - Performs a division operation to the two items that are on top of the stack and stores the result on top of the stack. + * IMOD - Performs a modulo operation to the two items that are on top of the stack and stores the result on top of the stack. + * ILT - Checks whether the item on top of the stack is greater than the item below it and stores a boolean on top of the stack. + * IEQ - Checks whether the item on top of the stack is equal to the item below it and stores a boolean on top of the stack. + * IGT - Checks whether the item on top of the stack is smaller than the item below it and stores a boolean on top of the stack. + * ILEQ - Checks whether the item on top of the stack is smaller than or equal to the item below it and stores a boolean on top of the stack. + * IGEQ - Checks whether the item on top of the stack is greater than or equal to the item below it and stores a boolean on top of the stack. + * BR - Jumps to the instruction that is provided as an argument. + * BRT - Jumps to the instruction that is provided as an argument if the value on top of the stack is TRUE. + * BRF - Jumps to the instruction that is provided as an argument if the value on top of the stack is FALSE. + * ICONST - Puts the argument provided to the operation on top of the stack. + * LOAD - Loads an element from any position on the stack on top of the stack(usually used to get function arguments like this: LOAD -3). + * GLOAD - Loads an element from any position on the data segment on top of the stack. + * STORE - Stores an element on the stack. + * GSTORE - Stores an element in the data segment. + * PRINT - Prints the element on top of the stack as character. + * IPRINT - Prints the element on top of the stack as integer. + * POP - Pops the element on top of the stack. + * HALT - Ends the program. + * CALL - calls a subroutine with a number of arguments. + * RET - Returns from a subroutine with a return value. + * FETCH - Fetches a value. + * IINC -Increments the value on top of the stack by one(equal to ++). + * IDEC -Decrements the value on top of the stack by one(equal to --). +