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avr: reduced code (bootloader now 569 words).

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This commit is contained in:
Martin Preuss
2024-09-01 22:29:08 +02:00
parent 8aeb488e2e
commit c2a6d33ff2
8 changed files with 55 additions and 40 deletions
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18
avr/modules/com2/lowlevel.asm
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@@ -163,7 +163,7 @@ com2WaitForDataState1ms_loop:
eor r22, r16
andi r22, (1<<COM_PINNUM_DATA)
breq com2WaitForDataState1ms_stateReached
rcall com2WaitFor10MicroSecs ; wait for 10us (R22)
rcall Utils_WaitFor10MicroSecs ; wait for 10us (R22)
dec r17
brne com2WaitForDataState1ms_loop
rjmp com2LowLevelClcRet
@@ -189,7 +189,7 @@ com2WaitForAttnState1ms_loop:
eor r22, r16
andi r22, (1<<COM_PINNUM_ATTN)
breq com2WaitForAttnState1ms_stateReached
rcall com2WaitFor10MicroSecs ; wait for 10us (R22)
rcall Utils_WaitFor10MicroSecs ; wait for 10us (R22)
dec r17
brne com2WaitForAttnState1ms_loop
rjmp com2LowLevelClcRet
@@ -198,20 +198,6 @@ com2WaitForAttnState1ms_stateReached:
; ---------------------------------------------------------------------------
; wait for 10 microsecs (minus cycles for call and ret).
;
; IN:
; - nothing
; OUT:
; - nothing
; REGS: r22
com2WaitFor10MicroSecs:
Utils_WaitNanoSecs 10000, 7, r22 ; wait for 10us (minus RCALL and RET)
ret
com2LowLevelClcRet:
clc
ret