Add mastermind game skeleton.

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>

diff --git a/project/mips1.asm b/project/mips1.asm
new file mode 100644 (file)
index 0000000..9294487
--- /dev/null
+++ b/project/mips1.asm
@@ -0,0 +1,76 @@
+    .data
+
+Welcome1:
+    .ascii  "\n Hello! you are about to play the mastermind"
+    .ascii  " guessing and logic game,Bulls & Cows!\n"
+    .ascii  "The Computer will generate a secret number made of 4 unique"
+    .ascii  " integer numbers. You have to guess the number!\n"
+    .ascii  "Using the number of Bulls and Cows you get to find out what"
+    .asciiz " the secret number is!\n"
+
+Welcome2:
+    .ascii  "\nEvery digit you enter that is both correct and in the right"
+    .ascii  " location is a BULL. When you get 4 BULLS, YOU WIN!\n\n"
+    .ascii  "Every digit you enter that is correct, but not in the right"
+    .asciiz " location is a COW!\n"
+
+confirm:
+    .ascii  "\n Select \n"
+    .ascii  "YES - if you are ready to guess\n"
+    .ascii  "NO - to see the rules again\n"
+    .asciiz "Cancel - to exit the Game\n"
+
+msg_asknum:
+    .asciiz "\nEnter your game choice\n"
+
+    .text
+
+main:
+
+    # show intro and rules
+main_welcome:
+    la      $a0,Welcome1
+    li      $a1,1
+    li      $v0,55
+    syscall
+
+    la      $a0,Welcome2
+    li      $v0,55
+    syscall
+
+    # ask user to select an action (i.e. enter data, reread rules, exit program)
+main_confirm:
+    la      $a0,confirm
+    li      $v0,50
+    syscall
+
+    # the return is in a0: 0=yes, 1=no, 2=cancel
+    beq     $a0,0,main_asknum
+    beq     $a0,2,main_exit
+    b       main_welcome
+
+    # ask user for the next game input
+    # NOTE: this is a prompt for an integer number
+main_asknum:
+    li      $v0,51
+    la      $a0,msg_asknum
+    syscall
+
+    beq     $a1,-1,main_asknum      # syntax error
+    beq     $a1,-2,main_confirm     # cancel
+    beq     $a1,-3,main_asknum      # ok, but no data
+
+    jal     do_something            # do something with the number in a0 ...
+
+    j       main_asknum
+
+main_exit:
+    li      $v0,10
+    syscall
+
+# do_something -- process user's input
+#
+# arguments:
+#   a0 -- number the user entered
+do_something:
+    jr      $ra                     # return
\ No newline at end of file