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fixed crash in BASIC when trying to incorrectly execute operator

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FeralChild64 committed 2020-08-25 19:43:17 +02:00
1 parent 74bdbd7930
commit 164b29bab8
2 files changed
+5 -4
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src/basic/basic_commands/cmd__jumptable.s
+2 -4
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@@ -55,14 +55,12 @@
cmd_tab, // XXX this token probably does not belong here cmd_tab, // XXX this token probably does not belong here
do_SYNTAX_error, // 'TO' is not a standalone command do_SYNTAX_error, // 'TO' is not a standalone command
do_SYNTAX_error, // 'FN' is not a standalone command do_SYNTAX_error, // 'FN' is not a standalone command
cmd_spc, // XXX this token probably does not belong here cmd_spc // XXX this token probably does not belong here
// 'THEN' ($A7) and 'STEP' ($A9) are not standalone commands // 'THEN' ($A7) and 'STEP' ($A9) are not standalone commands
// 'NOT' ($A8) is an operator, not a command // 'NOT' ($A8) is an operator, not a command
// $CB, but remapped to $A7 // 'GO' ($CB) is handled separately
cmd_go
) )
src/basic/engine_runtime/execute_line_statements.s
+3
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@@ -61,6 +61,9 @@ execute_statements:
cpx #$7F cpx #$7F
bcc_16 execute_statements_var_assign // not a token - try variable assign bcc_16 execute_statements_var_assign // not a token - try variable assign
cpx #$A7
bcs_16 do_SYNTAX_error
#if !HAS_OPCODES_65C02 #if !HAS_OPCODES_65C02
// Get the jump table entry for it, push it on the stack, and then RTS to start it. // Get the jump table entry for it, push it on the stack, and then RTS to start it.