From b48a1e88380f1c9b12a1ad11789fd8189e39ad59 Mon Sep 17 00:00:00 2001
From: Hayden Chow <kin3.chow@live.uwe.ac.uk>
Date: Tue, 3 Dec 2024 20:21:10 +0000
Subject: [PATCH] edited
---
asm_io.inc | 30 ----------
src | 0
asm_io.asm => src/asm_io.asm | 0
src/driver.c | 6 ++
src/driver.o | Bin 0 -> 1348 bytes
worksheet1.asm => src/task1.asm | 8 +--
src/task2.2.asm | 93 +++++++++++++++++++++++++++++
src/task2.asm | 64 ++++++++++++++++++++
8 files changed, 164 insertions(+), 37 deletions(-)
delete mode 100644 asm_io.inc
delete mode 100644 src
rename asm_io.asm => src/asm_io.asm (100%)
create mode 100644 src/driver.c
create mode 100644 src/driver.o
rename worksheet1.asm => src/task1.asm (72%)
create mode 100644 src/task2.2.asm
create mode 100644 src/task2.asm
diff --git a/asm_io.inc b/asm_io.inc
deleted file mode 100644
index 9163be3..0000000
--- a/asm_io.inc
+++ /dev/null
@@ -1,30 +0,0 @@
- extern read_int, print_int, print_string
- extern read_char, print_char, print_nl
- extern sub_dump_regs, sub_dump_mem, sub_dump_math, sub_dump_stack
-
-%macro dump_regs 1
- push dword %1
- call sub_dump_regs
-%endmacro
-
-
-;
-; usage: dump_mem label, start-address, # paragraphs
-%macro dump_mem 3
- push dword %1
- push dword %2
- push dword %3
- call sub_dump_mem
-%endmacro
-
-%macro dump_math 1
- push dword %1
- call sub_dump_math
-%endmacro
-
-%macro dump_stack 3
- push dword %3
- push dword %2
- push dword %1
- call sub_dump_stack
-%endmacro
\ No newline at end of file
diff --git a/src b/src
deleted file mode 100644
index e69de29..0000000
diff --git a/asm_io.asm b/src/asm_io.asm
similarity index 100%
rename from asm_io.asm
rename to src/asm_io.asm
diff --git a/src/driver.c b/src/driver.c
new file mode 100644
index 0000000..1c33ae5
--- /dev/null
+++ b/src/driver.c
@@ -0,0 +1,6 @@
+int __attribute__((cdecl)) asm_main( void );
+int main() {
+int ret_status;
+ret_status = asm_main();
+return ret_status;
+}
\ No newline at end of file
diff --git a/src/driver.o b/src/driver.o
new file mode 100644
index 0000000000000000000000000000000000000000..d9c964d5c502ff05525b278dcc90cc8150982da0
GIT binary patch
literal 1348
zcmb<-^>JflWMqH=Mh0dE1doB?4HHDh1Wai#@H6m%<=Ge*7(VmM{SNJX8r=NkL-QMf
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z@<GC%iHU*11tbrOIKAS^+>*p32EF2vA_$!UV-=<5=#`{alrZR}B$gyH=p_{wGk^v3
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z%Al8ClwVqa6a)mBZ43+yf=H@BX&)48p!5jBpmYer@(c{{yZ};e!@$4*iW3kUgkk9j
z6h5F>hNU|bCI$uxX!-_aFOXRv^Hrhdfzmige+Gy^!Z7o+85kHq>ItbcfSSh!vV?(w
z0c0M?E|`%p^L(J{K<YtqIavGwQX2|Y2T}vVGe86q2B`sYQyCZ-K&cjLEdxj$EMJ1;
zVQ#2_ng>(2g@J(~0HgqlVd^Rv7#NVl&xZ+;jzMt&O8X#npzr|M4>Jp71Pdbr!v_Wi
x23`gR25wLqg{FUyS+KAJsr$mnz+ewzKrzT15EGOJkk!R7F);LkB%m0k4gjTwhcW;F
literal 0
HcmV?d00001
diff --git a/worksheet1.asm b/src/task1.asm
similarity index 72%
rename from worksheet1.asm
rename to src/task1.asm
index 1ff3aeb..c561c1d 100644
--- a/worksheet1.asm
+++ b/src/task1.asm
@@ -13,10 +13,4 @@ add eax, [integer2] ; eax = int1 + int2
mov [result], eax ; result = int1 + int2
call print_int ; print result
popa
-mov eax, 0
-
-% nasm -f elf one.asm -o one.o
-
-% gcc -m32 -c driver.c -o driver.o
-
-% gcc -m32 driver.o one.o asm_io.o -o a.out
\ No newline at end of file
+mov eax, 0
\ No newline at end of file
diff --git a/src/task2.2.asm b/src/task2.2.asm
new file mode 100644
index 0000000..adbba83
--- /dev/null
+++ b/src/task2.2.asm
@@ -0,0 +1,93 @@
+
+%include "asm_io.inc"
+segment .data
+ prompt_start db "Enter the start of the range: ", 0 ;
+ prompt_end db "Enter the end of the range: ", 0 ;
+ msg_result db "The sum of the array is: ", 0 ;
+ newline db 10, 0 ; Newline character
+
+segment .bss
+ array resd 100 ;
+ sum resd 1 ;
+ start resd 1 ;
+ end resd 1 ;
+
+segment .text
+global asm_main
+
+asm_main:
+ pusha ;
+ mov ebx, array ;
+init_array:
+ mov [ebx], ecx ;
+ add ebx, 4 ;
+ inc ecx ;
+ cmp ecx, 101 ;
+ jl init_array ;
+
+ ; Sum the entire array
+ mov ecx, 100 ;
+ mov ebx, array ;
+ xor edx, edx ;
+sum_array:
+ add edx, [ebx] ;
+ add ebx, 4 ;
+ loop sum_array ;
+
+ ; Store the sum in the 'sum' variable
+ mov [sum], edx ;
+
+ ; Print the result message
+ mov eax, msg_result ;
+ call print_string ;
+ mov eax, [sum] ;
+ call print_int ;
+ call print_nl ;
+
+ ; Ask the user for the start of the range
+ mov eax, prompt_start ;
+ call print_string ;
+ call read_int ;
+ mov [start], eax ;
+
+ ; Ask the user for the end of the range
+ mov eax, prompt_end ;
+ call print_string ;
+ call read_int ;
+ mov [end], eax ;
+
+ ; Check if the range is valid
+ mov eax, [start] ;
+ mov ebx, [end] ;
+ cmp eax, ebx ;
+ jge invalid_range ;
+
+ ; Sum the range between start and end
+ xor edx, edx ;
+ mov ecx, [start] ;
+ mov ebx, [end] ;
+sum_range:
+ add edx, ecx ;
+ inc ecx ;
+ cmp ecx, ebx ;
+ jle sum_range ;
+
+ ; Print the sum of the range
+ mov eax, "The sum of the range is: " ; Print result message
+ call print_string ;
+ mov eax, edx ;
+ call print_int ;
+ call print_nl ;
+
+ jmp end_program ;
+
+invalid_range:
+ ; Print an error message if the range is invalid
+ mov eax, "Error: Invalid range. The start must be less than the end." ;
+ call print_string ;
+ call print_nl ;
+
+end_program:
+ popa ;
+ mov eax, 0 ;
+ ret
diff --git a/src/task2.asm b/src/task2.asm
new file mode 100644
index 0000000..aba7735
--- /dev/null
+++ b/src/task2.asm
@@ -0,0 +1,64 @@
+
+%include "asm_io.inc" ;
+segment .data
+ prompt_name db "Enter your name: ", 0 ;
+ prompt_number db "Enter a number between 50 and 100: ", 0 ;
+ welcome_msg db "Welcome, ", 0 ;
+ newline db 10, 0 ;
+ error_msg db "Error: The number must be between 50 and 100!", 0 ;
+
+segment .bss
+ user_name resb 50 ;
+ user_input resd 1 ;
+
+section .text
+global asm_main
+
+asm_main:
+ pusha ;
+ ; Ask the user for their name
+ mov eax, prompt_name ;
+ call print_string ;
+ call read_string ;
+
+ ; Ask the user for a number between 50 and 100
+ mov eax, prompt_number ;
+ call print_string ;
+ call read_int ;
+ mov [user_input], eax ;
+
+ ; Check if the number is between 50 and 100
+ mov eax, [user_input] ;
+ cmp eax, 50 ;
+ jle invalid_input ;
+ cmp eax, 100 ;
+ jge invalid_input ;
+
+ ; If the number is valid, print the welcome message with the user's name
+ mov eax, welcome_msg ;
+ call print_string ;
+ mov eax, user_name ;
+ call print_string ;
+ call print_nl ;
+
+ ; Print the welcome message the number of times entered by the user
+ mov ecx, [user_input] ;
+print_welcome:
+ mov eax, welcome_msg ;
+ call print_string ;
+ call print_nl ;
+ loop print_welcome ;
+
+ jmp end_program ;
+
+invalid_input:
+ ; Print the error message if the input is invalid
+ mov eax, error_msg ;
+ call print_string ;
+ call print_nl ;
+ jmp asm_main ;
+
+end_program:
+ popa ;
+ mov eax, 0 ;
+ ret
--
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