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Fix the input function for receiving '0' #6

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Merged
lucarosenberg merged 2 commits into from
Apr 27, 2026
+28 −24
Merged

Fix the input function for receiving '0' #6

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0b50634
Fix the input function for receiving '0'
NeilFraser Apr 20, 2026
67d6b50
Rename boolean comparison functions to fix naming
NeilFraser Apr 27, 2026
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16 changes: 8 additions & 8 deletions Apps/Blockly/Boolean-test.agc
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@

TCR TSBL_33 # 3 > 3 -> 0
TCR MA-SU
TCR BL-GT
TCR BL-LTE
TCR BL-NOT
TCR PUSH
CA NUM0
Expand All @@ -46,7 +46,7 @@

TCR TSBL_33 # 3 < 3 -> 0
TCR MA-SU
TCR BL-LT
TCR BL-GTE
TCR BL-NOT
TCR PUSH
CA NUM0
Expand All @@ -63,7 +63,7 @@

TCR TSBL_00 # +0 > -0 -> 0
TCR MA-SU
TCR BL-GT
TCR BL-LTE
TCR BL-NOT
TCR PUSH
CA NUM0
Expand All @@ -72,7 +72,7 @@

TCR TSBL_00 # +0 < -0 -> 0
TCR MA-SU
TCR BL-LT
TCR BL-GTE
TCR BL-NOT
TCR PUSH
CA NUM0
Expand All @@ -90,15 +90,15 @@

TCR TSBL_36 # 3 >= 6 -> 0
TCR MA-SU
TCR BL-LT
TCR BL-GTE
TCR PUSH
CA NUM0
TCR PUSH
TCR TS-EQUAL

TCR TSBL_36 # 3 > 6 -> 0
TCR MA-SU
TCR BL-GT
TCR BL-LTE
TCR BL-NOT
TCR PUSH
CA NUM0
Expand All @@ -116,15 +116,15 @@

TCR TSBL_71 # 7 <= 1 -> 0
TCR MA-SU
TCR BL-GT
TCR BL-LTE
TCR PUSH
CA NUM0
TCR PUSH
TCR TS-EQUAL

TCR TSBL_71 # 7 < 1 -> 0
TCR MA-SU
TCR BL-LT
TCR BL-GTE
TCR BL-NOT
TCR PUSH
CA NUM0
Expand Down
20 changes: 10 additions & 10 deletions Apps/Blockly/Boolean.agc
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Expand Up @@ -12,26 +12,26 @@
# TCR MA-SU
# Calls for '<':
# TCR MA-SU
# TCR BL-LT
# TCR BL-GTE
# TCR BL-NOT
# Calls for '>':
# TCR MA-SU
# TCR BL-GT
# TCR BL-LTE
# TCR BL-NOT
# Calls for '<=':
# TCR MA-SU
# TCR BL-GT
# TCR BL-NOT
# TCR BL-LTE
# Calls for '>=':
# TCR MA-SU
# TCR BL-LT
# TCR BL-NOT
# TCR BL-GTE


# Suffix functions to MA-SU.
# Operates on the 'A' register, no need for the stack.
# BL-GT returns 1 if first '>' second.
# BL-LT returns 1 if first '<' second.
BL-GT COM
BL-LT EXTEND
# BL-LTE returns 1 if first '<=' second.
# BL-GTE returns 1 if first '>=' second.
BL-LTE COM
BL-GTE EXTEND
BZMF BL-1 # Return with 1.
TCF BL-0 # Return with 0.

Expand Down
16 changes: 10 additions & 6 deletions Apps/Blockly/Main.agc
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Expand Up @@ -101,16 +101,19 @@ $Math.agc
# Function that waits for a DSKY keypress.
# Returns (on A):
# Keycode of keypress.
INPUT CA NUM1 # Set INPUTTING to -1
COM
INPUT CA NUM0 # Set INPUTTING to 0
TS INPUTING
# Wait until INPUTING isn't -1.
# Wait until INPUTING isn't 0.
INPUT-WT CA INPUTING
INCR A
EXTEND
BZF INPUT-WT
CA INPUTING
RETURN
# Special case: '0' key encodes as 16, return as 0.
CA NUM16
EXTEND
SU INPUTING
BZF INPUT-ZR # Return 0 (which is what's in A).
CA INPUTTING
INPUT-ZR RETURN


# Function that sleeps for the specified duration.
Expand Down Expand Up @@ -179,6 +182,7 @@ NUM6 DEC 6
NUM7 DEC 7
NUM8 DEC 8
NUM9 DEC 9
NUM16 DEC 16
NUM100 DEC 100

# System Address Locations
Expand Down