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This commit is contained in:
Irmen de Jong 2023-07-29 13:04:35 +02:00
parent 46c12a8899
commit 6cda76a116
3 changed files with 3 additions and 8 deletions
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2
codeGenCpu6502/src/prog8/codegen/cpu6502/assignment/AugmentableAssignmentAsmGen.kt
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@ -2058,8 +2058,6 @@ internal class AugmentableAssignmentAsmGen(private val program: PtProgram,
} }
private fun inplaceModification_word_value_to_variable(name: String, dt: DataType, operator: String, value: PtExpression) { private fun inplaceModification_word_value_to_variable(name: String, dt: DataType, operator: String, value: PtExpression) {
// this should be the last resort for code generation for this,
// because the value is evaluated onto the eval stack (=slow).
fun multiplyVarByWordInAY() { fun multiplyVarByWordInAY() {
asmgen.out(""" asmgen.out("""
sta P8ZP_SCRATCH_W1 sta P8ZP_SCRATCH_W1

6
docs/source/targetsystem.rst
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@ -63,11 +63,11 @@ Footnotes for the Commander X16
$02 - $21 are the 16 virtual cx16 registers R0-R15. $02 - $21 are the 16 virtual cx16 registers R0-R15.
$22 - $7F are free to use, and Prog8 utilizes this to put variables in automatically. $22 - $7F are used by Prog8 to put variables in.
The top half of the ZP ($80-$FF) is reserved for use by the Kernal and Basic in normal operation. The top half of the ZP ($80-$FF) is reserved for use by the Kernal and Basic in normal operation.
Zero page use by Prog8 can be manipulated with the ``%zeropage`` directive, various options Zero page use by Prog8 can be manipulated with the ``%zeropage`` directive, various options
may free up more locations for use by Prog8. may free up more locations for use by Prog8 or to reserve them for other things.
Footnotes for the Commodore 64 Footnotes for the Commodore 64
@ -80,7 +80,7 @@ Footnotes for the Commodore 64
*Zero Page $0000 - $00FF* *Zero Page $0000 - $00FF*
Consider the full zero page to be reserved for use by the Kernal and Basic in normal operation. Consider the full zero page to be reserved for use by the Kernal and Basic in normal operation.
Zero page use by Prog8 can be manipulated with the ``%zeropage`` directive, various options Zero page use by Prog8 can be manipulated with the ``%zeropage`` directive, various options
may free up more locations for use by Prog8. may free up more locations for use by Prog8 or to reserve them for other things.
Zero page usage by the Prog8 compiler Zero page usage by the Prog8 compiler

3
docs/source/todo.rst
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@ -1,9 +1,6 @@
TODO TODO
==== ====
- bugfixes: assem crashing, imageviewer not loading past boat image, rockrunner music borked.
- stackless: describe the changes in the manual.
- IR: reduce the number of branch instructions such as BEQ, BEQR, etc (gradually), replace with CMP(I) + status branch instruction - IR: reduce the number of branch instructions such as BEQ, BEQR, etc (gradually), replace with CMP(I) + status branch instruction
- IR: reduce amount of CMP/CMPI after instructions that set the status bits correctly (LOADs? INC? etc), but only after setting the status bits is verified! - IR: reduce amount of CMP/CMPI after instructions that set the status bits correctly (LOADs? INC? etc), but only after setting the status bits is verified!