fix for total size returnvalue of diskio.f_read_all()

This commit is contained in:
Irmen de Jong 2022-06-01 01:09:37 +02:00
parent c4eaa944e2
commit 10b5fb5d72
2 changed files with 18 additions and 15 deletions

View File

@ -13,20 +13,20 @@ palette {
cx16.vpoke(1, vera_palette_ptr, msb(color))
}
sub set_rgb4(uword palette_bytes_ptr, uword num_colors) {
; 2 bytes per color entry, the Vera uses this, but the R/GB bytes order is swapped
sub set_rgb_be(uword palette_ptr, uword num_colors) {
; 1 word per color entry, $0rgb in big endian format
vera_palette_ptr = $fa00
repeat num_colors {
cx16.vpoke(1, vera_palette_ptr+1, @(palette_bytes_ptr))
palette_bytes_ptr++
cx16.vpoke(1, vera_palette_ptr, @(palette_bytes_ptr))
palette_bytes_ptr++
cx16.vpoke(1, vera_palette_ptr+1, @(palette_ptr))
palette_ptr++
cx16.vpoke(1, vera_palette_ptr, @(palette_ptr))
palette_ptr++
vera_palette_ptr+=2
}
}
sub set_rgb(uword palette_words_ptr, uword num_colors) {
; 1 word per color entry (in little endian format so $gb0r)
; 1 word per color entry (in little endian format as layed out in video memory, so $gb0r)
vera_palette_ptr = $fa00
repeat num_colors*2 {
cx16.vpoke(1, vera_palette_ptr, @(palette_words_ptr))

View File

@ -261,13 +261,15 @@ m_in_buffer sta $ffff
if cx16.r5==$0d { ; chance on I/o error status?
first_byte = c64.READST()
if first_byte & $40
if first_byte & $40 {
f_close() ; end of file, close it
list_blocks-- ; don't count that last CHRIN read
}
if first_byte
return list_blocks
return list_blocks ; number of bytes read
}
}
return list_blocks
return list_blocks ; number of bytes read
}
sub f_read_all(uword bufferpointer) -> uword {
@ -275,19 +277,20 @@ m_in_buffer sta $ffff
if not iteration_in_progress
return 0
list_blocks = 0 ; we reuse this variable for the total number of bytes read
uword total_read = 0
if have_first_byte {
have_first_byte=false
@(bufferpointer) = first_byte
bufferpointer++
list_blocks++
total_read = 1
}
while not c64.READST() {
list_blocks += f_read(bufferpointer, 256)
bufferpointer += 256
uword size = f_read(bufferpointer, 256)
total_read += size
bufferpointer += size
}
return list_blocks
return total_read
}
asmsub f_readline(uword bufptr @AY) clobbers(X) -> ubyte @Y {