X-Git-Url: http://git.subgeniuskitty.com/vvhitespace/.git/blobdiff_plain/07331ceeb01f6045ddf02e0aba05752ef1ea8838..2d81bb77894eb5caf9652b1f5144952c0fdbde14:/examples/hunt-the-wumpus/wump_game.pvvs diff --git a/examples/hunt-the-wumpus/wump_game.pvvs b/examples/hunt-the-wumpus/wump_game.pvvs index 7d85f8d..a387f48 100644 --- a/examples/hunt-the-wumpus/wump_game.pvvs +++ b/examples/hunt-the-wumpus/wump_game.pvvs @@ -334,4 +334,718 @@ SNN | DROP SSSTN | PUSH 1 NTN | RTS +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Name: +@ seed_rng +@ Description: +@ Generate seed from keyboard input. +@ Call Stack: +@ +@ Return Stack: +@ +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +#include +NSSVTSSSSSTTN | MARK: 10000011 (seed_rng) + +SSSTSSSSN | PUSH 16 (loop counter) +SSSSN | PUSH 0 (rng seed) + +NSSVTSSSSSTTSSSSSSSSN | MARK: 10000011 00000000 (seed_rng:main loop) +@ Get character from user and print ASCII '.' as feedback. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (USER_INPUT_BUFFER address) +TNTS | GETCHAR +SSSTSTTTSN | PUSH ASCII '.' +TNSS | PUTCHAR +@ Left shift the seed by 4 bits. +SSSTSSN | PUSH 4 (shift count) +NSTTSTTSTN | JSR > 101101 (lshift) +@ XOR seed with character from user. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (USER_INPUT_BUFFER address) +TTT | LOAD +NSTTSTSTTN | JSR > 101011 (xor) +@ Decrement counter +SNT | SWAP +SSSTN | PUSH +1 +TSST | SUBTRACT +@ Test for loop completion +SNS | DUP +NTSTSSSSSTTSSSSSSSTN | BRZ > 10000011 00000001 (seed_rng:cleanup and return) +SNT | SWAP +NSNTSSSSSTTSSSSSSSSN | JMP > 10000011 00000000 (seed_rng:main loop) + +@ Store seed, clean up and return. +NSSVTSSSSSTTSSSSSSSTN | MARK: 10000011 00000001 (seed_rng:cleanup and return) +SNN | DROP +SSSSN | PUSH 0 (seed address) +SNT | SWAP +TTS | STORE +SSSTSTSN | PUSH ASCII '\n' +SSSTSTSN | PUSH ASCII '\n' +TNSS | PUTCHAR +TNSS | PUTCHAR +NTN | RTS + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Name: +@ are_rooms_adjacent +@ Description: +@ Checks if 'room_number_1' is adjacent to 'room_number_2'. +@ Call Stack: +@ room_number_2 +@ room_number_1 <-- TOS +@ Return Stack: +@ (1 or 0) for true/false <-- TOS +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +#include +NSSVTSTSSTSSN | MARK: 10100100 (are_rooms_adjacent) + +SSSTSSSSSSSSSSTTN | PUSH 0x1003 (ptr to number_of_tunnels_per_room) +TTT | LOAD +SSSTN | PUSH +1 +TSST | SUBTRACT + +@ TOS> tunnel_index, room_number_1, room_number_2 +NSSVTSTSSTSSSSSSSSSSN | MARK: 10100100 00000000 (main_loop) +SSSTTN | PUSH +3 +NSTTTSSN | JSR > 1100 (deepdup) +SSSTTN | PUSH +3 +NSTTTSSN | JSR > 1100 (deepdup) +SSSTTN | PUSH +3 +NSTTTSSN | JSR > 1100 (deepdup) +SNT | SWAP +NSTTSSSTSSSN | JSR > 10001000 (get_tunnel_destination) +TSST | SUBTRACT +NTSTSTSSTSSSSSSSSSTN | BRZ > 10100100 00000001 (found_tunnel) +SSSTN | PUSH +1 +TSST | SUBTRACT +SNS | DUP +NTTTSTSSTSSSSSSSSTSN | BMI > 10100100 00000010 (no_match) +NSNTSTSSTSSSSSSSSSSN | JMP > 10100100 00000000 (main_loop) + +NSSVTSTSSTSSSSSSSSSTN | MARK: 10100100 00000001 (found_tunnel) +SNN | DROP +SNN | DROP +SNN | DROP +SSSTN | PUSH +1 +NTN | RTS + +NSSVTSTSSTSSSSSSSSTSN | MARK: 10100100 00000010 (no_match) +SNN | DROP +SNN | DROP +SNN | DROP +SSSSN | PUSH 0 +NTN | RTS + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Name: +@ move_player +@ Description: +@ Prompts the player for a room number. Moves to that room, checking the new +@ environment and executing consequences (fell in a pit, etc) as appropriate. +@ Call Stack: +@ +@ Return Stack: +@ +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +#include +#include +#include +#include +NSSVTSTSSSTTN | MARK: 10100011 (move_player) + +A"To which room do you wish to move?\n" +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (buffer address) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (buffer size) +NSTTSSSTSN | JSR > 100010 (get_user_string) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (USER_INPUT_BUFFER address) +NSTTTSSSSN | JSR > 110000 (atoi) +SNN | DROP + +@ The desired room number is now on the TOS. Verify that it is valid. +SNS | DUP +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player_location) +TTT | LOAD +NSTTSTSSTSSN | JSR > 10100100 (are_rooms_adjacent) +NTSTSTSSSTTSSSSSSSTN | BRZ > 10100011 00000001 (invalid room number) +NSNTSTSSSTTSSSSSSSSN | JMP > 10100011 00000000 (valid room number) + +NSSVTSTSSSTTSSSSSSSTN | MARK: 10100011 00000001 (invalid room number) +@ TOS> room_number +SNN | DROP +A"*Oof!* (you hit the wall)\n" +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSTTSSTTN | JSR > 10011 (fastrand) +SSSTTSN | PUSH 6 (chance) +TSTT | MODULO +NTSTSTSSSTTSSSSSSTSN | BRZ > 10100011 00000010 (woke the wumpus) +NTN | RTS +NSSVTSTSSSTTSSSSSSTSN | MARK: 10100011 00000010 (woke the wumpus) +A"Your colorful comments awaken the wumpus!\n" +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSTTSSTTN | JSR > 10011 (fastrand) +SSSTSSSSSSSSSSTTN | PUSH 0x1003 (ptr to number of tunnels per room) +TSTT | MODULO +SSSTSSSSSSSSSTTTN | PUSH 0x1007 (ptr to wumpus location) +TTT | LOAD +NSTTSSSTSSSN | JSR > 10001000 (get_tunnel_destination) +SSSTSSSSSSSSSTTTN | PUSH 0x1007 (ptr to wumpus location) +SNT | SWAP +TTS | STORE +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player location) +TTT | LOAD +NSTTSTSSSSSN | JSR > 10100000 (room_has_wumpus) +NTSTSTSSSTTSSSSSSTTN | BRZ > 10100011 00000011 (wumpus did not move to player) +NSTTTTTTTTTSSSSSSSSN | JSR > 11111111 00000000 (wump_kill) +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NNN | DIE +NSSVTSTSSSTTSSSSSSTTN | MARK: 10100011 00000011 (wumpus did not move to player) +NTN | RTS + +NSSVTSTSSSTTSSSSSSSSN | MARK: 10100011 00000000 (valid room number) +@ TOS> room_number +@ Move player to new room +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player location) +SNT | SWAP +TTS | STORE +@ Check for wumpus in new player location +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player location) +TTT | LOAD +NSTTSTSSSSSN | JSR > 10100000 (room_has_wumpus) +NTSTSTSSSTTSSSSSTSSN | BRZ > 10100011 00000100 (no wumpus in new room) +NSTTTTTTTTTSSSSSSSSN | JSR > 11111111 00000000 (wump_kill) +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NNN | DIE +NSSVTSTSSSTTSSSSSTSSN | MARK: 10100011 00000100 (no wumpus in new room) +@ Check for pits in new player location +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player location) +TTT | LOAD +NSTTSSSTTSTN | JSR > 10001101 (room_has_pits) +NTSTSTSSSTTSSSSSTSTN | BRZ > 10100011 00000101 (no pits in new room) +NSTTSSTTN | JSR > 10011 (fastrand) +SSSTTSN | PUSH 6 (chance) +TSTT | MODULO +NTSTSTSSSTTSSSSSTTSN | BRZ > 10100011 00000110 (survived the pits) +NSTTTTTTTTTSSSSSTSTN | JSR > 11111111 00000101 (pit_kill) +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NNN | DIE +NSSVTSTSSSTTSSSSSTTSN | MARK: 10100011 00000110 (survived the pits) +NSTTTTTTTTTSSSSSTTSN | JSR > 11111111 00000110 (pit_survive) +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSSVTSTSSSTTSSSSSTSTN | MARK: 10100011 00000101 (no pits in new room) +@ Check for bats in new player location +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player location) +TTT | LOAD +NSTTSSSTTSSN | JSR > 10001100 (room_has_bats) +NTSTSTSSSTTSSSSSTTSN | BRZ > 10100011 00000110 (no bats in new room) +A"*flap* *flap* *flap* (humongous bats pick you up and move you!)\n" +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSTTSSTTN | JSR > 10011 (fastrand) +SSSTSSSSSSSSSSTTN | PUSH 0x1003 (ptr to number of tunnels per room) +TSTT | MODULO +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player location) +TTT | LOAD +NSTTSSSTSSSN | JSR > 10001000 (get_tunnel_destination) +NSNTSTSSSTTSSSSSSSSN | JMP > 10100011 00000000 (valid room number) +NSSVTSTSSSTTSSSSSTTSN | MARK: 10100011 00000110 (no bats in new room) +NTN | RTS + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Name: +@ shoot_arrow +@ Description: +@ Prompt user for list of rooms. Shoots an arrow through each room, checking +@ the new environment and executing consequences (fell in a pit, etc) as +@ appropriate. +@ Call Stack: +@ +@ Return Stack: +@ +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +#include +#include +#include +#include +#include +NSSVTSSTTSSTN | MARK: 10011001 (shoot_arrow) + +A"Through which rooms do you wish to shoot your arrow?\n(type %u room numbers separated by spaces)\n" +SSSTSSSSSSSSSTSSN | PUSH 0x1004 (ptr to max_arrow_flight_distance) +TTT | LOAD +SSSTN | PUSH 1 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (buffer address) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (buffer size) +NSTTSSSTSN | JSR > 100010 (get_user_string) + +@ Loop, converting one room number from the user string per pass. +@ But first, prepare the stack for the loop. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (USER_INPUT_BUFFER address) +SSSTSSSSSSSSSTSSN | PUSH 0x1004 (ptr to max_arrow_flight_distance) +TTT | LOAD +@ TOS> loop_counter, ptr_to_user_string +NSSVTSSTTSSTSSSSSSSSN | MARK: 10011001 00000000 (process_room_loop) +@ Test for end of loop (counter == 0) +SNS | DUP +NTSTSSTTSSTSSSSSSSTN | BRZ > 10011001 00000001 (end of process_room_loop) +@ Now jump forward in the user string to the next ASCII digit (or null term). +SNT | SWAP +NSSVTSSTTSSTSSSSSSTSN | MARK: 10011001 00000010 (next_ascii_digit_loop) +SNS | DUP +TTT | LOAD +SNS | DUP +NSTTSSSSTN | JSR > 100001 (isdigit) +NTSTSSTTSSTSSSSSSTTN | BRZ > 10011001 00000011 (ascii_term_test) +SNN | DROP +NSNTSSTTSSTSSSSSTSSN | JMP > 10011001 00000100 (next_ascii_digit_loop_end) +NSSVTSSTTSSTSSSSSSTTN | MARK: 10011001 00000011 (ascii_term_test) +NTSTSSTTSSTSSSSSTSSN | BRZ > 10011001 00000100 (next_ascii_digit_loop_end) +SSSTN | PUSH 1 +TSSS | ADD +NSNTSSTTSSTSSSSSSTSN | JMP > 10011001 00000010 (next_ascii_digit_loop) +NSSVTSSTTSSTSSSSSTSSN | MARK: 10011001 00000100 (next_ascii_digit_loop_end) +@ Call atoi with the newly updated pointer to process another room number. +NSTTTSSSSN | JSR > 110000 (atoi) +SNT | SWAP +SSSTTN | PUSH 3 (rotation_depth) +NSTTSTSN | JSR > 1010 (stackrotate) +@ Decrement the loop counter and loop again. +SNT | SWAP +SSSTN | PUSH 1 +TSST | SUBTRACT +NSNTSSTTSSTSSSSSSSSN | JMP > 10011001 00000000 (process_room_loop) +@ Loop is complete. Moving on. +NSSVTSSTTSSTSSSSSSSTN | MARK: 10011001 00000001 (end of process_room_loop) +SNN | DROP +SNN | DROP + +@ Stack now contains only integers for room numbers (zero padded to full count). +@ They are in reverse order, so reverse again. +@ Temporarily use the USER_INPUT_BUFFER as a loop counter. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +SSSTSSSSSSSSSTSSN | PUSH 0x1004 (ptr to max_arrow_flight_distance) +TTT | LOAD +TTS | STORE +@ Now perform the reversal. +NSSVTSSTTSSTSSSSSTSTN | MARK: 10011001 00000101 (reverse_loop) +@ First shift the TOS element back to its final location. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +TTT | LOAD +NSTTSTSN | JSR > 1010 (stackrotate) +@ Now decrement the loop counter. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +TTT | LOAD +SSSTN | PUSH 1 +TSST | SUBTRACT +@ And check for the end of loop condition (counter < 2) +SNS | DUP +SSSTN | PUSH 1 +TSST | SUBTRACT +NTSTSSTTSSTSSSSSTTSN | BRZ > 10011001 00000110 (reverse_loop_end) +@ The loop continues. Store the new loop counter and go around again. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +SNT | SWAP +TTS | STORE +NSNTSSTTSSTSSSSSTSTN | JMP > 10011001 00000101 (reverse_loop) +@ End of loop. Clean up and continue. +NSSVTSSTTSSTSSSSSTTSN | MARK: 10011001 00000110 (reverse_loop_end) +SNN | DROP + +@@@@@ Initialization complete. @@@@@ + +@ Stack now contains a list room numbers as integers, in order. + +@ Put a loop index and the starting location of the arrow on the stack. +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player_location, now arrow_location) +TTT | LOAD +SSSTSSSSSSSSSTSSN | PUSH 0x1004 (ptr to max_arrow_flight_distance) +TTT | LOAD + +@ TOS> loop_index, arrow_location, list_of_room_numbers ... +@ Move the arrow through a new room for each pass of the loop. +NSSVTSSTTSSTSSSSSTTTN | MARK: 10011001 00000111 (arrow_loop) +@ Check loop index for end of loop condition (index==0). +SNS | DUP +NTSTSSTTSSTSSSSTTSTN | BRZ > 10011001 00001101 (loop_end) +@ Is the requested room number connected to the arrows current room? +SNT | SWAP +SNS | DUP +SSSTSSN | PUSH 4 +NSTTTSSN | JSR > 1100 (deepdup) +NSTTSTSSTSSN | JSR > 10100100 (are_rooms_adjacent) +NTSTSSTTSSTSSSSTSSSN | BRZ > 10011001 00001000 (not_adjacent) +@ Room was adjacent. Print update for user, clean up stack and jump ahead. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +SNT | SWAP +TTS | STORE +SNT | SWAP +SSSTTSSSSSSSSSSSTN | PUSH 0x3001 +SNT | SWAP +TTS | STORE +A"The arrow sails out of room %u and enters room %u.\n" +SSSTTSSSSSSSSSSSTN | PUSH 0x3001 +TTT | LOAD +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +TTT | LOAD +SSSTSN | PUSH 2 +NSTTSSSN | JSR > 1000 (printf) +SSSTTSSSSSSSSSSSTN | PUSH 0x3001 +TTT | LOAD +SNT | SWAP +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +TTT | LOAD +SNT | SWAP +NSNTSSTTSSTSSSSTSSTN | JMP > 10011001 00001001 (room_is_valid) +@ Room was not adjacent. Select a random adjacent room for the arrow. +NSSVTSSTTSSTSSSSTSSSN | MARK: 10011001 00001000 (not_adjacent) +SSSTTN | PUSH 3 +NSTTSTTN | JSR > 1011 (stackrotatereverse) +@ TOS> (invalid) room_number, arrow_location, loop_index, rest_of_room_numbers ... +@ Start a message to the user. +@ First, store two values we will need when printing the user message. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +SNT | SWAP +TTS | STORE +SSSTTSSSSSSSSSSSTN | PUSH 0x3001 +SNT | SWAP +TTS | STORE +A"*thunk* The arrow can't find a way from room %u to room %u " +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +TTT | LOAD +SSSTTSSSSSSSSSSSTN | PUSH 0x3001 +TTT | LOAD +SSSTSN | PUSH 2 +NSTTSSSN | JSR > 1000 (printf) +@ Now locate a random, connected room for the arrow to visit. +NSTTSSSSN | JSR > 10000 (random) +SSSTSSSSSSSSSSTTN | PUSH 0x1003 (ptr to number_of_tunnels_per_room) +TTT | LOAD +TSTT | MODULO +SSSTTSSSSSSSSSSSTN | PUSH 0x3001 +TTT | LOAD +NSTTSSSTSSSN | JSR > 10001000 (get_tunnel_destination) +@ Now finish the message to the user. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +SNT | SWAP +TTS | STORE +A"and flys randomly into room %u!\n" +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +TTT | LOAD +SSSTN | PUSH 1 +NSTTSSSN | JSR > 1000 (printf) +@ And cleanup the stack before continuing onward. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 +TTT | LOAD +SNT | SWAP +SSSTTSSSSSSSSSSSTN | PUSH 0x3001 +TTT | LOAD +SNT | SWAP + +NSSVTSSTTSSTSSSSTSSTN | MARK: 10011001 00001001 (room_is_valid) +@ TOS> loop_index, arrow_location, list_of_room_numbers ... +SSSTTN | PUSH 3 +NSTTSTSN | JSR > 1010 (stackrotate) +SNN | DROP +@ TOS> (new) arrow_location, loop_index, (smaller) list_of_room_numbers ... +@ Does new room contain a wumpus? +SNS | DUP +NSTTSTSSSSSN | JSR > 10100000 (room_has_wumpus) +NTSTSSTTSSTSSSSTSTSN | BRZ > 10011001 00001010 (no_wumpus_here) +@ Player slew the wumpus! +NSTTTTTTTTTSSSSSSSTN | JSR > 11111111 00000001 (kill_wump) +SSSSN | PUSH 0 +NSTTSSSN | JSR > 1000 (printf) +NNN | DIE +@ No wumpus here. Does the new room contain the player? +NSSVTSSTTSSTSSSSTSTSN | MARK: 10011001 00001010 (no_wumpus_here) +SNS | DUP +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player_location) +TTT | LOAD +TSST | SUBTRACT +NTSTSSTTSSTSSSSTSTTN | BRZ > 10011001 00001011 (player_shot_self) +NSNTSSTTSSTSSSSTTSSN | JMP > 10011001 00001100 (no_events_in_room) +NSSVTSSTTSSTSSSSTSTTN | MARK: 10011001 00001011 (player_shot_self) +@ Player hit by own arrow! +NSTTTTTTTTTSSSSSSTTN | JSR > 11111111 00000011 (shoot_self) +SSSSN | PUSH 0 +NSTTSSSN | JSR > 1000 (printf) +NNN | DIE +@ No player here. Update loop index, cleanup stack and loop again. +NSSVTSSTTSSTSSSSTTSSN | MARK: 10011001 00001100 (no_events_in_room) +SNT | SWAP +SSSTN | PUSH 1 +TSST | SUBTRACT +NSNTSSTTSSTSSSSSTTTN | JMP > 10011001 00000111 (arrow_loop) +NSSVTSSTTSSTSSSSTTSTN | MARK: 10011001 00001101 (loop_end) +SNN | DROP +SNN | DROP +A"The arrows wavers in its flight and can go no further!\n" +SSSSN | PUSH 0 +NSTTSSSN | JSR > 1000 (printf) + +@ Since the player did not kill the wumpus, there is a chance it will wake and move. +NSTTSSSSN | JSR > 10000 (random) +SSSTTSN | PUSH 6 +TSTT | MODULO +NTSTSSTTSSTSSSSTTTSN | BRZ > 10011001 00001110 (move_wumpus) +NSNTSSTTSSTSSSTSSSSN | JMP > 10011001 00010000 (wumpus_continues_to_slumber) +NSSVTSSTTSSTSSSSTTTSN | MARK: 10011001 00001110 (move_wumpus) +@ Move the wumpus to a random connected room. +NSTTSSSSN | JSR > 10000 (random) +SSSTSSSSSSSSSSTTN | PUSH 0x1003 (ptr to number_of_tunnels_per_room) +TTT | LOAD +TSTT | MODULO +SSSTSSSSSSSSSTTTN | PUSH 0x1007 (ptr to wumpus_location) +TTT | LOAD +NSTTSSSTSSSN | JSR > 10001000 (get_tunnel_destination) +SSSTSSSSSSSSSTTTN | PUSH 0x1007 (ptr to wumpus_location) +SNT | SWAP +TTS | STORE +@ Did the wumpus enter the player room? +SSSTSSSSSSSSSTTTN | PUSH 0x1007 (ptr to wumpus_location) +TTT | LOAD +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (ptr to player_location) +TTT | LOAD +TSST | SUBTRACT +NTSTSSTTSSTSSSSTTTTN | BRZ > 10011001 00001111 (player_death) +NSNTSSTTSSTSSSTSSSSN | JMP > 10011001 00010000 (wumpus_continues_to_slumber) +NSSVTSSTTSSTSSSSTTTTN | MARK: 10011001 00001111 (player_death) +NSTTTTTTTTTSSSSSSSSN | JSR > 11111111 00000000 (wump_kill) +SSSSN | PUSH 0 +NSTTSSSN | JSR > 1000 (printf) +NNN | DIE + +NSSVTSSTTSSTSSSTSSSSN | MARK: 10011001 00010000 (wumpus_continues_to_slumber) +@ Decrement the number of arrows. +SSSTSSSSSSSSSTSTN | PUSH 0x1005 (ptr to number_of_arrows) +TTT | LOAD +SSSTN | PUSH 1 +TSST | SUBTRACT +SNS | DUP +SSSTSSSSSSSSSTSTN | PUSH 0x1005 (ptr to number_of_arrows) +SNT | SWAP +TTS | STORE +@ Check for empty quiver. +NTSTSSTTSSTSSSTSSSTN | BRZ > 10011001 00010001 (empty_quiver) +NTN | RTS +NSSVTSSTTSSTSSSTSSSTN | MARK: 10011001 00010001 (empty_quiver) +NSTTTTTTTTTSSSSSSTSN | JSR > 11111111 00000010 (no_arrows) +SSSSN | PUSH 0 +NSTTSSSN | JSR > 1000 (printf) +NNN | DIE + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Name: +@ move_or_shoot +@ Description: +@ Parse user input, branching to the appropriate subroutine to move or shoot. +@ This function does not perform any boundary checks/limits. +@ Call Stack: +@ +@ Return Stack: +@ +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +#include +#include +NSSVTSTSSSTSN | MARK: 10100010 (move_or_shoot) + +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (buffer address) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (buffer size) +NSTTSSSTSN | JSR > 100010 (get_user_string) + +@ Examine the first character of the user input buffer for 'm' or 's'. +@ If character is something else, prompt user to try again. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (USER_INPUT_BUFFER address) +TTT | LOAD +SSSSTTSTTSTN | PUSH 109 (ASCII 'm') +TSST | SUBTRACT +NTSTSTSSSTSSSSSSSSSN | BRZ > 10100010 00000000 (move) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (USER_INPUT_BUFFER address) +TTT | LOAD +SSSSTTTSSTTN | PUSH 115 (ASCII 's') +TSST | SUBTRACT +NTSTSTSSSTSSSSSSSSTN | BRZ > 10100010 00000001 (shoot) +NSTTTTTTTTTSSSSTSSSN | JSR > 11111111 00001000 (problem_with_input) +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSNTSTSSSTSN | JMP > 10100010 (move_or_shoot) + +@ User typed 'm' +NSSVTSTSSSTSSSSSSSSSN | MARK: 10100010 00000000 (move) +NSTTSTSSSTTN | JSR > 10100011 (move_player) +NTN | RTS + +@ User typed 's' +NSSVTSTSSSTSSSSSSSSTN | MARK: 10100010 00000001 (shoot) +NSTTSSTTSSTN | JSR > 10011001 (shoot_arrow) +NTN | RTS + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Name: +@ get_answer +@ Description: +@ Parse user input, returning 0 if user string started with 'n' or 1 if 'y'. +@ This function does not perform any boundary checks/limits. +@ Call Stack: +@ +@ Return Stack: +@ (1 or 0 for True/False) <--- TOS +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +#include +#include +NSSVTSSTTSSSN | MARK: 10011000 (get_answer) + +@ TODO: Consider extending the GETCHAR instruction in VVS to indicate an empty +@ buffer instead of blocking. This would allow a character by character +@ check without printing a slew of retry messages if the buffer is +@ non-empty. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (buffer address) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (buffer size) +NSTTSSSTSN | JSR > 100010 (get_user_string) + +@ Examine the first character of the user input buffer for 'y' or 'n'. +@ If character is something else, prompt user to try again. +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (USER_INPUT_BUFFER address) +TTT | LOAD +SSSSTTTTSSTN | PUSH 121 (ASCII 'y') +TSST | SUBTRACT +NTSTSSTTSSSSSSSSSSSN | BRZ > 10011000 00000000 (answer: yes) +SSSTTSSSSSSSSSSSSN | PUSH 0x3000 (USER_INPUT_BUFFER address) +TTT | LOAD +SSSSTTSTTTSN | PUSH 110 (ASCII 'n') +TSST | SUBTRACT +NTSTSSTTSSSSSSSSSSTN | BRZ > 10011000 00000001 (answer: no) +NSTTTTTTTTTSSSSTSSSN | JSR > 11111111 00001000 (problem_with_input) +SSSSN | PUSH 0 (number of string substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSNTSSTTSSSN | JMP > 10011000 (get_answer) + +@ User typed 'y' +NSSVTSSTTSSSSSSSSSSSN | MARK: 10011000 00000000 (answer: yes) +SSSTN | PUSH 1 +NTN | RTS + +@ User typed 'n' +NSSVTSSTTSSSSSSSSSSTN | MARK: 10011000 00000001 (answer: no) +SSSSN | PUSH 0 +NTN | RTS + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Name: +@ print_cave_description +@ Description: +@ Prints information about the cave (number of rooms, etc). +@ Call Stack: +@ +@ Return Stack: +@ +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +#include +NSSVTSSTTSTTN | MARK: 10011011 (print_cave_description) +NSTTTTTTTTTSSSSTSTSN | JSR > 11111111 00001010 (cave_description) +SSSTSSSSSSSSSTSTN | PUSH 0x1005 (number_of_arrows address) +TTT | LOAD +SSSTSSSSSSSSSSSTN | PUSH 0x1001 (number_of_pits address) +TTT | LOAD +SSSTSSSSSSSSSSTSN | PUSH 0x1002 (number_of_bats address) +TTT | LOAD +SSSTSSSSSSSSSSTTN | PUSH 0x1003 (number_of_tunnels address) +TTT | LOAD +SSSTSSSSSSSSSSSSN | PUSH 0x1000 (number_of_rooms address) +TTT | LOAD +SSSTSTN | PUSH 5 (number of substitions) +NSTTSSSN | JSR > 1000 (printf) +NTN | RTS + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Name: +@ print_room_stats +@ Description: +@ Prints information about current room and hints about nearby rooms. +@ Call Stack: +@ +@ Return Stack: +@ +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +#include +#include +#include +NSSVTSTSSSSTN | MARK: 10100001 (print_room_stats) + +@ Print location and arrow quantity remaining. +A"\n----------\n\nYou are in room %u of the cave and have %u arrows remaining.\n" +SSSTSSSSSSSSSTSTN | PUSH 0x1005 (number_of_arrows address) +TTT | LOAD +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (player_location address) +TTT | LOAD +SSSTSN | PUSH 2 (number of substitutions) +NSTTSSSN | JSR > 1000 (printf) + +@ Print if bats/pits/wumpus nearby. +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (player_location address) +TTT | LOAD +SNS | DUP +NSTTSSTTTSSN | JSR > 10011100 (are_bats_near) +NTSTSTSSSSTSSSSSSSSN | BRZ > 10100001 00000000 (no_bats) +A"*rustle* (Bats must be nearby.)\n" +SSSSN | PUSH 0 (number of substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSSVTSTSSSSTSSSSSSSSN | MARK: 10100001 00000000 (no_bats) +SNS | DUP +NSTTSSTTTSTN | JSR > 10011101 (are_pits_near) +NTSTSTSSSSTSSSSSSSTN | BRZ > 10100001 00000001 (no_pits) +A"*whoosh* (You feel a draft from nearby pits.)\n" +SSSSN | PUSH 0 (number of substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSSVTSTSSSSTSSSSSSSTN | MARK: 10100001 00000001 (no_pits) +NSTTSSTTTTSN | JSR > 10011110 (is_wumpus_near) +NTSTSTSSSSTSSSSSSTSN | BRZ > 10100001 00000010 (no_wumpus) +A"*sniff* (You smell the evil Wumpus nearby!)\n" +SSSSN | PUSH 0 (number of substitutions) +NSTTSSSN | JSR > 1000 (printf) +NSSVTSTSSSSTSSSSSSTSN | MARK: 10100001 00000010 (no_wumpus) + +@ Print a list of nearby rooms. +A"This room contains tunnels to the following rooms:" +SSSSN | PUSH 0 (number of substitutions) +NSTTSSSN | JSR > 1000 (printf) +SSSTSSSSSSSSSTTSN | PUSH 0x1006 (player_location address) +TTT | LOAD +SSSTSSSSSSSSSSTTN | PUSH 0x1003 (number_of_links_per_room address) +TTT | LOAD +SSSTN | PUSH 1 +TSST | SUBTRACT +@ Print one room on each pass through this loop. +@ TOS> tunnel_index, room_number +NSSVTSTSSSSTSSSSSSTTN | MARK: 10100001 00000011 (print_room_list_loop) +A" %u" +SSSTSTN | PUSH 5 +NSTTTSSN | JSR > 1100 (deepdup) +SSSTTTN | PUSH 7 +NSTTTSSN | JSR > 1100 (deepdup) +NSTTSSSTSSSN | JSR > 10001000 (get_tunnel_destination) +SSSTN | PUSH 1 (number of substitutions) +NSTTSSSN | JSR > 1000 (printf) +@ Test for end of loop +SNS | DUP +NTSTSTSSSSTSSSSSTSSN | BRZ > 10100001 00000100 (print_room_list_loop_end) +SSSTN | PUSH 1 +TSST | SUBTRACT +NSNTSTSSSSTSSSSSSTTN | JMP > 10100001 00000011 (print_room_list_loop) +@ Clean up and return. +NSSVTSTSSSSTSSSSSTSSN | MARK: 10100001 00000100 (print_room_list_loop_end) +SSSTSTSN | PUSH 10 (ASCII '\n') +TNSS | PUTCHAR +SNN | DROP +SNN | DROP +NTN | RTS + #endif