303 lines
3.8 KiB
NASM
303 lines
3.8 KiB
NASM
; Mooreheim.asm
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; Copyright (C) 2023 William R. Moore
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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; Mooreheim the Dice Game
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;
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; Toggle the first five sense switches to roll the different dice.
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; Position 0 = roll
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; Position 1 = hold
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;
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; Toggle switches 6 and 7 when you want to move on to the next roll
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; or continue holding the dice.
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; Once switches 6 and 7 are togged to position 1, the game ends and
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; your "hand" is displayed.
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ORG 100H
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; Driver logic
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PUSH D
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LXI D, WELCOME
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CALL PRINTS
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POP D
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PUSH D
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LXI D, NEWLINE
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CALL PRINTS
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POP D
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LXI H, DICE
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CALL ROLLTHEMBONES
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CALL OUTPUT
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IN 0FFH
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ANI 32
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CNZ ROLLTHEMBONES
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CALL OUTPUT
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IN 0FFH
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ANI 64
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CNZ ROLLTHEMBONES
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CALL OUTPUT
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JMP 0h
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ROLLTHEMBONES
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CALL ROLL1
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MOV M, C
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INR L
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CALL ROLL2
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MOV M, C
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INR L
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CALL ROLL3
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MOV M, C
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INR L
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CALL ROLL4
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MOV M, C
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INR L
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CALL ROLL5
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MOV M, C
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DCR L
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DCR L
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DCR L
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DCR L
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RET
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; Output the dice results
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OUTPUT
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PUSH D
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LXI D, YOUROLLED
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CALL PRINTS
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POP D
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PUSH D
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MOV A, M
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ADI 48
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STAX D
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CALL PRINTC
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INR L
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POP D
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PUSH D
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LXI D, NEWLINE
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CALL PRINTS
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POP D
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PUSH D
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MOV A, M
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ADI 48
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STAX D
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CALL PRINTC
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INR L
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POP D
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PUSH D
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LXI D, NEWLINE
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CALL PRINTS
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POP D
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PUSH D
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MOV A, M
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ADI 48
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STAX D
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CALL PRINTC
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INR L
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POP D
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PUSH D
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LXI D, NEWLINE
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CALL PRINTS
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POP D
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PUSH D
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MOV A, M
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ADI 48
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STAX D
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CALL PRINTC
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INR L
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POP D
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PUSH D
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LXI D, NEWLINE
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CALL PRINTS
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POP D
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PUSH D
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MOV A, M
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ADI 48
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STAX D
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CALL PRINTC
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POP D
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PUSH D
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LXI D, NEWLINE
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CALL PRINTS
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POP D
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DCR L
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DCR L
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DCR L
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DCR L
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RET
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; Roll the different dice
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ROLL1
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IN 0FFH
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ANI 1
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JNZ ROLL1_TEST
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ROLL1_START
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MVI C, 0
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ROLL1_DIE
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INR C
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MOV A, C
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CPI 7H
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JZ ROLL1_START
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IN 0FFH
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ANI 1
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JNZ ROLL1_END
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JMP ROLL1_DIE
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ROLL1_TEST
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MOV A, M
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CPI 0h
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JZ ROLL1_START
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ROLL1_END
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RET
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ROLL2
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IN 0FFh
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ANI 2
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JNZ ROLL2_TEST
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ROLL2_START
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MVI C, 0
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ROLL2_DIE
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INR C
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MOV A, C
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CPI 7H
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JZ ROLL2_START
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IN 0FFH
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ANI 2
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JNZ ROLL2_END
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JMP ROLL2_DIE
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ROLL2_TEST
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MOV A, M
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CPI 0
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JZ ROLL2_START
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ROLL2_END
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RET
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ROLL3
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IN 0FFh
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ANI 4
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JNZ ROLL3_TEST
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ROLL3_START
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MVI C, 0
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ROLL3_DIE
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INR C
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MOV A, C
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CPI 7H
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JZ ROLL3_START
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IN 0FFH
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ANI 4
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JNZ ROLL3_END
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JMP ROLL3_DIE
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ROLL3_TEST
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MOV A, M
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CPI 0
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JZ ROLL3_START
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ROLL3_END
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RET
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ROLL4
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IN 0FFH
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ANI 8
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JNZ ROLL4_TEST
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ROLL4_START
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MVI C, 0
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ROLL4_DIE
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INR C
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MOV A, C
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CPI 7H
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JZ ROLL4_START
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IN 0FFH
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ANI 8
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JNZ ROLL4_END
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JMP ROLL4_DIE
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ROLL4_TEST
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MOV A, M
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CPI 0
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JZ ROLL4_START
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ROLL4_END
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RET
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ROLL5
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IN 0FFh
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ANI 16
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JNZ ROLL5_TEST
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ROLL5_START
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MVI C, 0
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ROLL5_DIE
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INR C
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MOV A, C
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CPI 7H
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JZ ROLL5_START
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IN 0FFH
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ANI 16
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JNZ ROLL5_END
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JMP ROLL5_DIE
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ROLL5_TEST
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MOV A, M
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CPI 0
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JZ ROLL5_START
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ROLL5_END
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RET
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; Print a null-terminated string
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PRINTS
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PUSH PSW
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OUT1CH
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LDAX D ; LET A = (DE)
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CPI 0H ; Done when null terminated.
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JZ PRINTS_DONE
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OUT 1H ; Output the character at the current address to the console
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INR E ; Increment the address of the current character
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JMP OUT1CH
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PRINTS_DONE
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POP PSW
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RET
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PRINTC
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; PUSH PSW
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LDAX D ; LET A = (DE)
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OUT 1H ; Output the character at the current address to the console
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; POP PSW
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RET
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SAVE_HL DW 0
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WELCOME DB "Welcome to the gambling halls of Mooreheim!", 0H
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DICE DB 0, 0, 0, 0, 0
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HELD_DICE DB 0, 0, 0, 0, 0
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YOUROLLED DB "You rolled:", CR, LF, 0H
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NEWLINE DB CR, LF, 0H
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CR equ 0DH
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LF equ 0AH
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END
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