Routines
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44072: Routine at AC28
Used by the routines at 39453, GameComplete and HandlerPoems.
44072 EI Enable interrupts.
44073 LD A,126 Read from the keyboard;
Port Number Bit
0 1 2 3 4
126 SPACE FULL-STOP M N B
Shift Z X C V
44075 OUT (253),A
44077 IN A,(254)
44079 BIT 0,A
44081 RET NZ
44082 CPL Flip the bits.
44083 AND %00011110 Keep only bits 1-4.
44085 RET NZ
44086 LD A,126 Read from the keyboard;
Port Number Bit
0 1 2 3 4
126 SPACE FULL-STOP M N B
Shift Z X C V
44088 OUT (253),A
44090 IN A,(254)
44092 BIT 0,A
44094 JR Z,44086
44096 LD HL,23672 HL=FRAMES.
44099 LD A,(HL)
44100 CP (HL)
44101 JR Z,44100
44103 LD A,D
44104 ADD A,4
44106 LD D,A
44107 RLCA
44108 RLCA
44109 AND %00000010 Keep only bit 1.
44111 OR %00000001
44113 OUT (254),A
44115 LD A,126 Read from the keyboard;
Port Number Bit
0 1 2 3 4
126 SPACE FULL-STOP M N B Shift Z X C V
44117 OUT (253),A
44119 IN A,(254)
44121 BIT 0,A
44123 JR NZ,44096
44125 LD A,126 Read from the keyboard;
Port Number Bit
0 1 2 3 4
126 SPACE FULL-STOP M N B Shift Z X C V
44127 OUT (253),A
44129 IN A,(254)
44131 BIT 0,A
44133 JR Z,44125
44135 XOR A
44136 OUT (254),A
44138 RET Return.
This entry point is used by the routine at 45598.
44139 LD HL,44151 Copy 144 bytes of data from 44151 to ImmortalData.
44142 LD DE,38658
44145 LD BC,144
44148 LDIR
44150 RET Return.
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