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Updating comments.

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Russell-S-Harper 2019-12-01 09:14:16 -05:00
parent e233605c02
commit de6306742d
1 changed files with 4 additions and 4 deletions
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8
common/common.asm
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@ -26,9 +26,9 @@ _2 LDY #0
INC _PCH INC _PCH
_3 TAX ; save operand for later _3 TAX ; save operand for later
AND #$F0 AND #$F0
BEQ _4 ; go to 0X instructions BEQ _4 ; go to BRX 0X instructions
CMP #$F0 ; check for FX functions CMP #$F0 ; check for FX functions
BEQ _5 ; go to FX instructions BEQ _5 ; go to EXT FX instructions
LSR ; get offset to XR instructions LSR ; get offset to XR instructions
LSR LSR
LSR LSR
@ -45,7 +45,7 @@ _3 TAX ; save operand for later
ASL ASL
TAX ; back to index TAX ; back to index
RTS ; "return" to routine RTS ; "return" to routine
_4 TXA ; get operand _4 TXA ; BRX get operand
ASL ; shift to get offset to 0X instructions ASL ; shift to get offset to 0X instructions
TAY TAY
LDA FN_0X+1,Y ; push high address LDA FN_0X+1,Y ; push high address
@ -54,7 +54,7 @@ _4 TXA ; get operand
PHA PHA
TXA ; restore operand TXA ; restore operand
RTS ; "return" to routine RTS ; "return" to routine
_5 TXA ; get operand _5 TXA ; EXT get operand
AND #$F ; mask to get index AND #$F ; mask to get index
ASL ; shift to get offset to FX instructions ASL ; shift to get offset to FX instructions
TAY TAY