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Edward R. Gonzalez
2025-08-04 01:08:01 -04:00
parent 3d0d02b86e
commit 7ac7371ac7
4 changed files with 188 additions and 20 deletions
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code/graphics_system/dsl.s
+13 -4
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@@ -2,6 +2,7 @@
; Instructions
; Load
load_addr equ la ;
load_imm equ li ; dst_reg, immeidate value (signed)
load_uimm equ lui ; dst_reg, immediate value (unsigned)
load_word equ lw ; dst_reg, offset(src_reg0) (offset is immediate value)
@@ -15,11 +16,19 @@ add_ui equ addiu ; dst_reg, src_reg, immediate value (unsigned)
; Subtraction
sub_s equ sub ;
sub_u equ subu ;
; Multiplication
; Division
div_s equ div ;
div_u equ divu ;
mov_from_high equ mfhi ;
mov_from_low equ mflo ;
; Branch
branch_equal equ beq ; reg, value(reg, immediate), dst_label
branch_gt_equal equ bge ; reg, value(reg, immediate), dst_label
branch_gt equ bgt ; reg, value(reg, immediate), dst_label
branch_lt equ blt ; reg, value(reg, immediate), dst_label
branch_ne_zero equ bnez ;
branch_equal equ beq ; reg, value(reg, immediate), dst_label
branch_gt_equal equ bge ; reg, value(reg, immediate), dst_label
branch_gt equ bgt ; reg, value(reg, immediate), dst_label
branch_lt equ blt ; reg, value(reg, immediate), dst_label
; Jump
jump equ j ; address: immediate
jump_nlink equ jal ; subroutine: immeidate