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Add 2015 - Day 2 - Part 2

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This commit is contained in:
chylex 2022-02-13 08:43:31 +01:00
parent 9ba92014ab
commit 7cdfa542bc
Signed by: chylex
GPG Key ID: 4DE42C8F19A80548
1 changed files with 23 additions and 4 deletions

27
2015/02/main.asm
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@ -12,6 +12,7 @@ entryPoint:
push rbx
push r12
push r13
sub rsp, 32
; rax = reserved for math
@ -24,9 +25,11 @@ entryPoint:
; r10 = second dimension
; r11 = third dimension
; r12 = total wrapping paper required
; r13 = total ribbon length required
xor rdx, rdx
xor r12, r12
xor r13, r13
.nextLine:
call .nextNumber
@ -53,21 +56,31 @@ entryPoint:
mov rax, 2
mul r9
mul r10
add r12, rax ; add 2 * dim1 * dim2
add r12, rax ; add 2 * dim1 * dim2 to wrapping paper length
mov rax, 2
mul r9
mul r11
add r12, rax ; add 2 * dim1 * dim3
add r12, rax ; add 2 * dim1 * dim3 to wrapping paper length
mov rax, 2
mul r10
mul r11
add r12, rax ; add 2 * dim2 * dim3
add r12, rax ; add 2 * dim2 * dim3 to wrapping paper length
mov rax, r9
mul r10
add r12, rax ; add square area of smallest side
add r12, rax ; add square area of smallest side to wrapping paper length
add r13, r9
add r13, r9
add r13, r10
add r13, r10 ; add smallest perimeter to the ribbon length
mov rax, r9
mul r10
mul r11
add r13, rax ; add volume of the present to the ribbon length
movzx rbx, byte [ rcx ] ; read current character
cmp bl, 0 ; if we have not reached end of string yet,
@ -77,7 +90,12 @@ entryPoint:
mov rdx, r12
call print
lea rcx, [ print_ribbon_length ]
mov rdx, r13
call print
add rsp, 32
pop r13
pop r12
pop rbx
@ -111,3 +129,4 @@ entryPoint:
section .data
print_wrapping_paper: db `Wrapping paper required: %d\n`, 0
print_ribbon_length: db `Ribbon length required: %d\n`, 0