[mweeks@gsuad.gsu.edu@snowball ~]$ cat example2.s 
# example2.s
#
#   java -jar /home/mweeks/rars1_6.jar example2.s
#
# This movie 2001 A Space Odyssey features a computer called "HAL".
# What do you get when you add 1 to each character code? This program
# does that.
#
# -MCW, 2025

.text
main:

    # Use s0 since it is "saved"
    # load the first char value into x1
    la  s0, mychars 
    lb  x1, 0(s0)

    # add 1 to it
    addi x1, x1, 1

    # print it out as a char
    mv   a0, x1
    li   a7, 11
    ecall

    # print space
    li    a7, 11
    li    a0, 32
    ecall

    ##############################
    # REPEAT with small change
    ##############################

    # load the next char value into x1
    lb  x1, 1(s0)

    # add 1 to it
    addi x1, x1, 1

    # print it out as a char
    mv   a0, x1
    li   a7, 11
    ecall

    # print space
    li    a7, 11
    li    a0, 32
    ecall

    ##############################
    # REPEAT with small changes
    ##############################

    # load the next char value into x1
    lb  x1, 2(s0)

    # add 1 to it
    addi x1, x1, 1

    # print it out as a char
    mv   a0, x1
    li   a7, 11
    ecall

    # print NL
    li    a7, 11
    li    a0, 10
    ecall



    # Exit the program with a return code
    li     a7, 93
    li     a0, 0    # 0 for everything is OK
    ecall

.data 
mychars:         .string "HAL"

[mweeks@gsuad.gsu.edu@snowball ~]$ cat example2_Venus.S 
# example2_Venus.s
#
#  Use VSCode/Venus for this
#
# This movie 2001 A Space Odyssey features a computer called "HAL".
# What do you get when you add 1 to each character code? This program
# does that.
#
# -MCW, 2025

.text
main:

    # Use s0 since it is "saved"
    # load the first char value into x1
    la  s0, mychars 
    lb  x1, 0(s0)

    # add 1 to it
    addi x1, x1, 1

    # print it out as a char
    #mv   a0, x1
    #li   a7, 11
    mv    a1, x1
    li    a0, 11
    ecall

    # print space
    #li    a7, 11
    #li    a0, 32
    li    a0, 11
    li    a1, 32
    ecall

    ##############################
    # REPEAT with small change
    ##############################

    # load the next char value into x1
    lb  x1, 1(s0)

    # add 1 to it
    addi x1, x1, 1

    # print it out as a char
    #mv   a0, x1
    #li   a7, 11
    mv    a1, x1
    li    a0, 11
    ecall

    # print space
    #li    a7, 11
    #li    a0, 32
    li    a0, 11
    li    a1, 32
    ecall

    ##############################
    # REPEAT with small changes
    ##############################

    # load the next char value into x1
    lb  x1, 2(s0)

    # add 1 to it
    addi x1, x1, 1

    # print it out as a char
    #mv   a0, x1
    #li   a7, 11
    mv    a1, x1
    li    a0, 11
    ecall

    # print NL
    #li    a7, 11
    #li    a0, 10
    li    a0, 11
    li    a1, 10
    ecall



    # Exit the program with a return code
    #li     a7, 93
    #li     a0, 0    # 0 for everything is OK
    li     a0, 17
    li     a1, 0    # 0 for everything is OK
    ecall

.data 
mychars:         .string "HAL"

[mweeks@gsuad.gsu.edu@snowball ~]$ diff example2.s example2_Venus.S 
1c1
< # example2.s
---
> # example2_Venus.s
3c3
< #   java -jar /home/mweeks/rars1_6.jar example2.s
---
> #  Use VSCode/Venus for this
23,24c23,26
<     mv   a0, x1
<     li   a7, 11
---
>     #mv   a0, x1
>     #li   a7, 11
>     mv    a1, x1
>     li    a0, 11
28,29c30,33
<     li    a7, 11
<     li    a0, 32
---
>     #li    a7, 11
>     #li    a0, 32
>     li    a0, 11
>     li    a1, 32
43,44c47,50
<     mv   a0, x1
<     li   a7, 11
---
>     #mv   a0, x1
>     #li   a7, 11
>     mv    a1, x1
>     li    a0, 11
48,49c54,57
<     li    a7, 11
<     li    a0, 32
---
>     #li    a7, 11
>     #li    a0, 32
>     li    a0, 11
>     li    a1, 32
63,64c71,74
<     mv   a0, x1
<     li   a7, 11
---
>     #mv   a0, x1
>     #li   a7, 11
>     mv    a1, x1
>     li    a0, 11
68,69c78,81
<     li    a7, 11
<     li    a0, 10
---
>     #li    a7, 11
>     #li    a0, 10
>     li    a0, 11
>     li    a1, 10
75,76c87,90
<     li     a7, 93
<     li     a0, 0    # 0 for everything is OK
---
>     #li     a7, 93
>     #li     a0, 0    # 0 for everything is OK
>     li     a0, 17
>     li     a1, 0    # 0 for everything is OK
[mweeks@gsuad.gsu.edu@snowball ~]$