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exercise review vod

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Edward R. Gonzalez
2025-08-03 01:22:44 -04:00
parent e54e352a6e
commit 4c7d454690
3 changed files with 17 additions and 13 deletions
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code/warmup/exercise_2.s
+10 -6
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@@ -20,7 +20,8 @@ add_u equ add ; dst_reg, reg_a, reg_b (unsigned)
add_si equ addi ; dst_reg, src_reg, immediate value (signed) add_si equ addi ; dst_reg, src_reg, immediate value (signed)
add_ui equ addiu ; dst_reg, src_reg, immediate value (unsigned) add_ui equ addiu ; dst_reg, src_reg, immediate value (unsigned)
; Branch ; Branch
branch_equal equ beq ; reg, value(reg, immediate), dst_label branch_equal equ beq ; reg, value(reg, immediate), dst_label
branch_lt_equal equ ble ; reg, value(reg, immediate), dst_label
; Registers ; Registers
; Temporaries, may be changed by subroutines ; Temporaries, may be changed by subroutines
@@ -36,12 +37,15 @@ main:
; Attempt: ; Attempt:
load_imm rtemp_0, 1 load_imm rtemp_0, 1
load_imm rtemp_1, 0 ; load_imm rtemp_1, 0
move rtemp_1, $zero
loop: loop:
add_s rtemp_1, rtemp_1, rtemp_0 add_s rtemp_1, rtemp_1, rtemp_0
add_si rtemp_0, rtemp_0, 1 add_si rtemp_0, rtemp_0, 1
branch_equal rtemp_0, 10, end branch_lt_equal rtemp_0, 10, loop
nop nop
j loop ; branch_equal rtemp_0, 10, end
; nop
; j loop
end: end:
.close .close
code/warmup/exercise_3.s
+4 -4
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@@ -56,13 +56,13 @@ main:
; 5. Subtract $t0-$t1 and store it back into $t0 ; 5. Subtract $t0-$t1 and store it back into $t0
; 6. Increment $t2 ; 6. Increment $t2
; 7. } ; 7. }
; Attempt: ; Attempt:
move rtemp_2, $zero
load_imm rtemp_0, 27 load_imm rtemp_0, 27
load_imm rtemp_1, 3 load_imm rtemp_1, 3
load_imm rtemp_2, 0 // load_imm rtemp_2, 0
loop: :: branch_lt rtemp_0, rtemp_1, loop_break :: nop ; loop if < rtemp_0, rtemp_1 { loop: :: branch_lt rtemp_0, rtemp_1, loop_break :: nop ; loop if < rtemp_0, rtemp_1 {
sub_s rtemp_0, rtemp_0, rtemp_1 ; -= rtemp_0, rtemp_1 sub_s rtemp_0, rtemp_0, rtemp_1 ; -= rtemp_0, rtemp_1
add_si rtemp_2, rtemp_2, 1 ; ++ rtemp_2 add_si rtemp_2, rtemp_2, 1 ; ++ rtemp_2
j loop :: loop_break: ; } j loop :: loop_break: ; }
.close .close
scripts/build.ps1
+3 -3
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@@ -32,7 +32,7 @@ function build-program { param(
write-host 'Done!' write-host 'Done!'
pop-location pop-location
} }
# build-program 'fillmem' 'fillmem' build-program 'fillmem' 'fillmem'
# build-program 'warmup' 'exercise_1' build-program 'warmup' 'exercise_1'
# build-program 'warmup' 'exercise_2' build-program 'warmup' 'exercise_2'
build-program 'warmup' 'exercise_3' build-program 'warmup' 'exercise_3'